commit 1883e9ba774be9b2e8fdb4da71cfcd948c421e75
Author: timxx <3337598077@qq.com>
Date:   Sat Sep 19 23:50:45 2026 +0800

    字体预览工具 v1.0.0 初始版本

diff --git a/Assets/app.ico b/Assets/app.ico
new file mode 100644
index 0000000..cbe2dd1
Binary files /dev/null and b/Assets/app.ico differ
diff --git a/FontPreview/AboutDialog.cs b/FontPreview/AboutDialog.cs
new file mode 100644
index 0000000..9f23ae7
--- /dev/null
+++ b/FontPreview/AboutDialog.cs
@@ -0,0 +1,70 @@
+using System;
+using System.Drawing;
+using System.Reflection;
+using System.Windows.Forms;
+
+namespace FontPreview
+{
+	/// <summary>
+	/// 关于对话框：显示版本、功能简介与技术说明。独立窗体，不影响主程序逻辑。
+	/// </summary>
+	public class AboutDialog : Form
+	{
+		public AboutDialog()
+		{
+			Text = "关于";
+			FormBorderStyle = FormBorderStyle.FixedDialog;
+			MaximizeBox = false;
+			MinimizeBox = false;
+			StartPosition = FormStartPosition.CenterParent;
+			ClientSize = new Size(460, 320);
+			Font = new Font("Microsoft YaHei UI", 9f);
+
+			Assembly asm = Assembly.GetExecutingAssembly();
+			string ver = asm.GetName().Version != null ? asm.GetName().Version.ToString() : "1.0";
+
+			Label title = new Label
+			{
+				Text = AppInfo.FullTitle,
+				Font = new Font("Microsoft YaHei UI", 14f, FontStyle.Bold),
+				Location = new Point(18, 16),
+				Size = new Size(420, 30)
+			};
+
+			TextBox body = new TextBox
+			{
+				Multiline = true,
+				ReadOnly = true,
+				ScrollBars = ScrollBars.Vertical,
+				Location = new Point(18, 56),
+				Size = new Size(424, 218),
+				BackColor = Color.White,
+				BorderStyle = BorderStyle.FixedSingle,
+				Text =
+					"免安装字体预览 / 批量管理工具\r\n\r\n" +
+					"主要功能：\r\n" +
+					"• 直接预览未安装的 TTF / OTF / TTC 字体\r\n" +
+					"• 卡片式批量预览，后台渲染、可随时停止\r\n" +
+					"• 绿色快捷方式安装 / 注册表安装双模式\r\n" +
+					"• 批量移动、批量重命名、标签与分类管理\r\n" +
+					"• 支持局域网 / NAS 网络共享盘字体\r\n" +
+					"• 导出系统字体、自定义字色底色与字号\r\n\r\n" +
+					"技术：.NET WinForms，PrivateFontCollection 免加载预览，完全离线运行。\r\n\r\n" +
+					"提示：右键“预览文字”框可一键填入中文样例。"
+			};
+
+			Button ok = new Button
+			{
+				Text = "确定",
+				DialogResult = DialogResult.OK,
+				Location = new Point(360, 284),
+				Size = new Size(82, 28)
+			};
+
+			Controls.Add(title);
+			Controls.Add(body);
+			Controls.Add(ok);
+			AcceptButton = ok;
+		}
+	}
+}
diff --git a/FontPreview/AppInfo.cs b/FontPreview/AppInfo.cs
new file mode 100644
index 0000000..02969d0
--- /dev/null
+++ b/FontPreview/AppInfo.cs
@@ -0,0 +1,25 @@
+using System.Reflection;
+
+namespace FontPreview
+{
+    /// <summary>
+    /// 全局应用信息：软件名、版本号集中在此，其他地方一律引用，不硬编码。
+    /// </summary>
+    public static class AppInfo
+    {
+        public const string AppName = "字体预览工具";
+
+        public static string Version
+        {
+            get
+            {
+                var v = Assembly.GetExecutingAssembly().GetName().Version;
+                if (v == null) return "1.0.0";
+                // 只显示 3 级版本号
+                return v.Major + "." + v.Minor + "." + v.Build;
+            }
+        }
+
+        public static string FullTitle => AppName + " v" + Version;
+    }
+}
diff --git a/FontPreview/CompareDialog.cs b/FontPreview/CompareDialog.cs
new file mode 100644
index 0000000..d2f7856
--- /dev/null
+++ b/FontPreview/CompareDialog.cs
@@ -0,0 +1,187 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace FontPreview
+{
+	/// <summary>
+	/// 字体对比对话框。
+	/// 模式一（showList=true）：把已加入对比列表的多个字体纵向滚动排列，同一文字/字号并排渲染。
+	/// 模式二（showList=false）：从全部字体里选两个下拉框对比。
+	/// </summary>
+	public class CompareDialog : Form
+	{
+		private List<FontItem> items;
+		private bool listMode;
+		private ComboBox cboA;
+		private ComboBox cboB;
+		private TextBox txtText;
+		private NumericUpDown numSize;
+		private PictureBox picA;
+		private PictureBox picB;
+		private Label lblNameA;
+		private Label lblNameB;
+		private Panel scrollPanel;
+		private List<PictureBox> listPics = new List<PictureBox>();
+		private List<Label> listNames = new List<Label>();
+		private List<RoundPanel> listCards = new List<RoundPanel>();
+		private Action<string> installCallback;
+
+		public CompareDialog(List<FontItem> items, bool showList, Action<string> installCallback = null)
+		{
+			this.installCallback = installCallback;
+			this.items = items;
+			this.listMode = showList;
+			Text = listMode ? "字体多字体对比（已加入 " + items.Count + " 个）" : "字体并排对比";
+			FormBorderStyle = FormBorderStyle.SizableToolWindow;
+			StartPosition = FormStartPosition.CenterParent;
+			ClientSize = new Size(820, 600);
+			Font = new Font("Microsoft YaHei UI", 9f);
+			MinimumSize = new Size(620, 460);
+
+			// 顶部：文字 + 字号 + 渲染
+			Label lt = new Label { Text = "文字：", Location = new Point(12, 15), Size = new Size(44, 20) };
+			txtText = new TextBox { Location = new Point(62, 12), Size = new Size(560, 24), Text = "永字八法 横平竖直 你好世界 ABC 0123" };
+			Label ls = new Label { Text = "字号：", Location = new Point(632, 15), Size = new Size(40, 20) };
+			numSize = new NumericUpDown { Location = new Point(676, 12), Size = new Size(60, 24), Minimum = 12, Maximum = 120, Value = 36 };
+			Button btnGo = new Button { Text = "渲染", Location = new Point(744, 11), Size = new Size(58, 26) };
+			btnGo.Click += OnRender;
+			numSize.ValueChanged += OnRender;
+			txtText.Leave += delegate { OnRender(null, null); };
+			txtText.KeyDown += delegate (object s, KeyEventArgs k) { if (k.KeyCode == Keys.Enter) { OnRender(null, null); k.SuppressKeyPress = true; } };
+			Controls.Add(lt); Controls.Add(txtText); Controls.Add(ls); Controls.Add(numSize); Controls.Add(btnGo);
+
+			if (listMode)
+			{
+				scrollPanel = new Panel { Location = new Point(12, 44), Size = new Size(790, 544), AutoScroll = true, BackColor = Color.White };
+				Controls.Add(scrollPanel);
+				RebuildList();
+			}
+			else
+			{
+				Label la = new Label { Text = "字体 A：", Location = new Point(12, 48), Size = new Size(50, 20) };
+				cboA = new ComboBox { DropDownStyle = ComboBoxStyle.DropDownList, Location = new Point(62, 45), Size = new Size(360, 24) };
+				Label lb = new Label { Text = "字体 B：", Location = new Point(430, 48), Size = new Size(50, 20) };
+				cboB = new ComboBox { DropDownStyle = ComboBoxStyle.DropDownList, Location = new Point(480, 45), Size = new Size(268, 24) };
+				foreach (FontItem it in items)
+				{
+					string s = it.DisplayName + "  ——  " + it.Name;
+					cboA.Items.Add(s);
+					cboB.Items.Add(s);
+				}
+				if (cboA.Items.Count > 0) cboA.SelectedIndex = 0;
+				if (cboB.Items.Count > 1) cboB.SelectedIndex = 1; else if (cboB.Items.Count > 0) cboB.SelectedIndex = 0;
+				lblNameA = new Label { Location = new Point(12, 82), Size = new Size(776, 18), ForeColor = Color.DimGray };
+				lblNameB = new Label { Location = new Point(12, 282), Size = new Size(776, 18), ForeColor = Color.DimGray };
+				picA = new PictureBox { Location = new Point(12, 102), Size = new Size(776, 176), BackColor = Color.FromArgb(242, 244, 247), SizeMode = PictureBoxSizeMode.Zoom, BorderStyle = BorderStyle.FixedSingle };
+				picB = new PictureBox { Location = new Point(12, 302), Size = new Size(776, 176), BackColor = Color.FromArgb(242, 244, 247), SizeMode = PictureBoxSizeMode.Zoom, BorderStyle = BorderStyle.FixedSingle };
+				Controls.Add(la); Controls.Add(cboA);
+				Controls.Add(lb); Controls.Add(cboB);
+				Controls.Add(lblNameA); Controls.Add(lblNameB);
+				Controls.Add(picA); Controls.Add(picB);
+			}
+
+			Shown += delegate { OnRender(null, null); };
+		}
+
+		private void RebuildList()
+		{
+			scrollPanel.Controls.Clear();
+			listPics.Clear();
+			listNames.Clear();
+			listCards.Clear();
+			int w = scrollPanel.ClientSize.Width - 24;
+			if (w < 400) w = 400;
+			for (int i = 0; i < items.Count; i++)
+			{
+				FontItem it = items[i];
+				RoundPanel card = UiTheme.CreateCard(w, 180);
+				Panel accent = UiTheme.CreateAccentBar(14, 16);
+				Label name = UiTheme.CreateCardTitle(it.DisplayName, 26, 12, w - 44);
+				PictureBox pic = UiTheme.CreatePreviewBox(18, 46, w - 36, 120);
+				// 右键：以快捷方式安装
+				ContextMenuStrip cm = new ContextMenuStrip();
+				ToolStripMenuItem miInstall = new ToolStripMenuItem("以快捷方式安装（复制到左侧目录）");
+				miInstall.Click += delegate
+				{
+					if (installCallback != null) installCallback(it.Path);
+				};
+				cm.Items.Add(miInstall);
+				card.ContextMenuStrip = cm;
+				pic.ContextMenuStrip = cm;
+				name.ContextMenuStrip = cm;
+				// 左键复制字体名
+				card.Cursor = Cursors.Hand;
+				EventHandler copyClick = delegate { try { Clipboard.SetText(it.Name); } catch { } };
+				card.MouseClick += (MouseEventHandler)delegate (object s, MouseEventArgs e) { if (e.Button == MouseButtons.Left) copyClick(s, e); };
+				pic.MouseClick += (MouseEventHandler)delegate (object s, MouseEventArgs e) { if (e.Button == MouseButtons.Left) copyClick(s, e); };
+				name.MouseClick += (MouseEventHandler)delegate (object s, MouseEventArgs e) { if (e.Button == MouseButtons.Left) copyClick(s, e); };
+				card.Controls.Add(accent);
+				card.Controls.Add(name);
+				card.Controls.Add(pic);
+				scrollPanel.Controls.Add(card);
+				listCards.Add(card);
+				listNames.Add(name);
+				listPics.Add(pic);
+			}
+		}
+
+		private void OnRender(object sender, EventArgs e)
+		{
+			if (listMode)
+			{
+				for (int i = 0; i < items.Count; i++)
+				{
+					RenderOne(i, listPics[i], listNames[i]);
+				}
+				LayoutList();
+			}
+			else
+			{
+				RenderOne(cboA.SelectedIndex, picA, lblNameA);
+				RenderOne(cboB.SelectedIndex, picB, lblNameB);
+			}
+		}
+
+		// 按每张图片实际高度重排卡片纵向位置
+		private void LayoutList()
+		{
+			int y = 8;
+			int w = scrollPanel.ClientSize.Width - 24;
+			if (w < 400) w = 400;
+			for (int i = 0; i < listCards.Count; i++)
+			{
+				int h = (listPics[i].Image != null) ? listPics[i].Image.Height : 120;
+				if (h > 400) h = 400;
+				if (h < 60) h = 60;
+				listCards[i].Width = w;
+				listCards[i].Height = 46 + h + 10;
+				listCards[i].Top = y;
+				listCards[i].Left = 8;
+				listPics[i].Height = h;
+				y += listCards[i].Height + 12;
+			}
+		}
+
+		private void RenderOne(int idx, PictureBox pic, Label nameLbl)
+		{
+			if (idx < 0 || idx >= items.Count) return;
+			FontItem it = items[idx];
+			bool failed;
+			Bitmap bmp = Worker.RenderFont(it.Path, it.Name, txtText.Text, (int)numSize.Value, Color.Black, Color.White, out failed);
+			nameLbl.Text = it.DisplayName;
+			if (bmp != null)
+			{
+				// 新图画好后再一次性替换旧图，避免中间空白闪烁
+				Bitmap old = (Bitmap)pic.Image;
+				pic.Image = bmp;
+				if (old != null) old.Dispose();
+			}
+			else
+			{
+				nameLbl.Text = it.DisplayName + "（渲染失败）";
+			}
+		}
+	}
+}
diff --git a/FontPreview/FileOpenDialogRCW.cs b/FontPreview/FileOpenDialogRCW.cs
new file mode 100644
index 0000000..63ec20e
--- /dev/null
+++ b/FontPreview/FileOpenDialogRCW.cs
@@ -0,0 +1,9 @@
+using System.Runtime.InteropServices;
+
+namespace FontPreview;
+
+[ComImport]
+[Guid("DC1C5A9C-E88A-4DDE-A5A1-60F82A20AEF7")]
+internal class FileOpenDialogRCW
+{
+}
diff --git a/FontPreview/FontCache.cs b/FontPreview/FontCache.cs
new file mode 100644
index 0000000..d56c3ca
--- /dev/null
+++ b/FontPreview/FontCache.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Windows.Forms;
+
+namespace FontPreview
+{
+	/// <summary>
+	/// 字体清单缓存：首次扫描后落盘，后续启动直接读缓存秒显，
+	/// 后台再按 文件路径/大小/修改时间 做增量对比，未变化的不重新解析。
+	/// </summary>
+	public class FontCache
+	{
+		public struct Stamp
+		{
+			public long Size;
+			public long Mtime;
+		}
+
+		public string RootDir;
+		public List<FontItem> Items = new List<FontItem>();
+		public Dictionary<string, Stamp> Stamps = new Dictionary<string, Stamp>(StringComparer.OrdinalIgnoreCase);
+
+		private static string CachePath => Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), "fontcache.txt");
+
+		public static bool TryLoad(string rootDir, out FontCache cache)
+		{
+			cache = null;
+			try
+			{
+				if (!File.Exists(CachePath)) return false;
+				string[] lines = File.ReadAllLines(CachePath, Encoding.UTF8);
+				if (lines.Length < 2 || lines[0] != "#FontCache v1") return false;
+				string rd = null;
+				for (int i = 0; i < lines.Length; i++)
+				{
+					if (lines[i].StartsWith("rootdir=")) { rd = lines[i].Substring(8).Trim(); break; }
+				}
+				if (rd == null || !string.Equals(rd, rootDir.Trim(), StringComparison.OrdinalIgnoreCase)) return false;
+
+				FontCache c = new FontCache();
+				c.RootDir = rootDir;
+				for (int i = 0; i < lines.Length; i++)
+				{
+					string l = lines[i];
+					if (string.IsNullOrEmpty(l) || l[0] == '#' || l.StartsWith("rootdir=")) continue;
+					string[] p = l.Split('\t');
+					if (p.Length < 6) continue;
+					FontItem it = new FontItem { Cat = p[0], Path = p[1], Name = p[2], DisplayName = p[3] };
+					c.Items.Add(it);
+					long size, mt;
+					if (long.TryParse(p[4], out size) && long.TryParse(p[5], out mt))
+					{
+						c.Stamps[it.Path] = new Stamp { Size = size, Mtime = mt };
+					}
+				}
+				if (c.Items.Count == 0) return false;
+				cache = c;
+				return true;
+			}
+			catch { return false; }
+		}
+
+		public static void Save(FontCache c)
+		{
+			try
+			{
+				StringBuilder sb = new StringBuilder();
+				sb.AppendLine("#FontCache v1");
+				sb.AppendLine("rootdir=" + c.RootDir);
+				foreach (FontItem it in c.Items)
+				{
+					Stamp st;
+					c.Stamps.TryGetValue(it.Path, out st);
+					string dn = (it.DisplayName ?? "").Replace("\t", " ");
+					sb.Append(it.Cat).Append('\t').Append(it.Path).Append('\t')
+					  .Append(it.Name).Append('\t').Append(dn).Append('\t')
+					  .Append(st.Size).Append('\t').Append(st.Mtime).Append('\n');
+				}
+				string tmp = CachePath + ".tmp";
+				File.WriteAllText(tmp, sb.ToString(), new UTF8Encoding(false));
+				if (File.Exists(CachePath)) { File.Copy(tmp, CachePath, true); File.Delete(tmp); }
+				else { File.Move(tmp, CachePath); }
+			}
+			catch { }
+		}
+	}
+}
diff --git a/FontPreview/FontCmap.cs b/FontPreview/FontCmap.cs
new file mode 100644
index 0000000..22d42e3
--- /dev/null
+++ b/FontPreview/FontCmap.cs
@@ -0,0 +1,171 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace FontPreview
+{
+	/// <summary>
+	/// 轻量 cmap 表解析器：纯字节读取字体文件，判断某 Unicode 码点是否有字形。
+	/// 支持 TTF/OTF/TTC，覆盖 cmap 格式 4（BMP）与格式 12（全平面）。
+	/// 不依赖 GDI+/DirectWrite，跨平台可编译。
+	/// </summary>
+	public class FontCmap
+	{
+		private List<int[]> ranges = new List<int[]>(); // 排序的 [start, end] 闭区间
+
+		public static FontCmap Load(string path)
+		{
+			try
+			{
+				byte[] d = File.ReadAllBytes(path);
+				FontCmap c = new FontCmap();
+				c.Parse(d);
+				return c.ranges.Count > 0 ? c : null;
+			}
+			catch
+			{
+				return null;
+			}
+		}
+
+		private static ushort RU16(byte[] d, uint o)
+		{
+			return (ushort)(d[o] * 256u + d[o + 1]);
+		}
+
+		private static uint RU32(byte[] d, uint o)
+		{
+			return (uint)(d[o] * 16777216u + d[o + 1] * 65536u + d[o + 2] * 256u + d[o + 3]);
+		}
+
+		private static string Tag(byte[] d, uint o)
+		{
+			try
+			{
+				return Encoding.ASCII.GetString(d, (int)o, 4);
+			}
+			catch { return ""; }
+		}
+
+		private void Parse(byte[] d)
+		{
+			uint sfntOff = 0;
+			if (Tag(d, 0) == "ttcf")
+			{
+				sfntOff = RU32(d, 8); // TTC：第一个字体的偏移
+			}
+			uint numTables = RU16(d, sfntOff + 4);
+			uint cmapOff = 0;
+			for (uint i = 0; i < numTables; i++)
+			{
+				uint rec = sfntOff + 12 + i * 16;
+				if (Tag(d, rec) == "cmap")
+				{
+					cmapOff = RU32(d, rec + 8);
+					break;
+				}
+			}
+			if (cmapOff == 0) return;
+
+			uint numSub = RU16(d, cmapOff + 2);
+			uint best = 0;
+			bool gotFull = false;
+			for (uint i = 0; i < numSub; i++)
+			{
+				uint rec = cmapOff + 4 + i * 8;
+				ushort platform = RU16(d, rec);
+				ushort enc = RU16(d, rec + 2);
+				uint off = cmapOff + RU32(d, rec + 4);
+				// Windows: platformID=3；enc=10 为全 Unicode 平面，enc=1 为 BMP
+				if (platform == 3 && (enc == 10 || enc == 1))
+				{
+					if (enc == 10 && !gotFull) { best = off; gotFull = true; }
+					else if (best == 0) { best = off; }
+				}
+			}
+			if (best == 0)
+			{
+				// 退而求其次：任意子表
+				if (numSub > 0) best = cmapOff + RU32(d, cmapOff + 8);
+			}
+			if (best == 0) return;
+
+			ushort fmt = RU16(d, best);
+			if (fmt == 4) ParseFormat4(d, best);
+			else if (fmt == 12) ParseFormat12(d, best);
+			else if (fmt == 0) ParseFormat0(d, best);
+
+			ranges.Sort((a, b) => a[0].CompareTo(b[0]));
+			Merge();
+		}
+
+		private void ParseFormat4(byte[] d, uint o)
+		{
+			int segCount = RU16(d, o + 6) / 2;
+			uint endOff = o + 14;
+			uint startOff = endOff + (uint)segCount * 2 + 2; // 跳过 endCode 与 reservedPad
+			for (int i = 0; i < segCount; i++)
+			{
+				int s = RU16(d, startOff + (uint)i * 2);
+				int e = RU16(d, endOff + (uint)i * 2);
+				if (s != 0xFFFF && e >= s && s != 0)
+				{
+					ranges.Add(new int[] { s, e });
+				}
+			}
+		}
+
+		private void ParseFormat12(byte[] d, uint o)
+		{
+			uint numGroups = RU32(d, o + 12);
+			uint g = o + 16;
+			for (uint i = 0; i < numGroups; i++)
+			{
+				int s = (int)RU32(d, g + i * 12);
+				int e = (int)RU32(d, g + i * 12 + 4);
+				if (e >= s) ranges.Add(new int[] { s, e });
+			}
+		}
+
+		private void ParseFormat0(byte[] d, uint o)
+		{
+			// 256 字节 glyph index 表，非 0 即有字形
+			int start = -1;
+			for (int i = 0; i < 256; i++)
+			{
+				bool has = d[o + 6 + i] != 0;
+				if (has && start < 0) start = i;
+				if (!has && start >= 0) { ranges.Add(new int[] { start, i - 1 }); start = -1; }
+			}
+			if (start >= 0) ranges.Add(new int[] { start, 255 });
+		}
+
+		private void Merge()
+		{
+			List<int[]> merged = new List<int[]>();
+			foreach (int[] r in ranges)
+			{
+				if (merged.Count > 0 && r[0] <= merged[merged.Count - 1][1] + 1)
+				{
+					if (r[1] > merged[merged.Count - 1][1]) merged[merged.Count - 1][1] = r[1];
+				}
+				else merged.Add(new int[] { r[0], r[1] });
+			}
+			ranges = merged;
+		}
+
+		public bool HasGlyph(int codepoint)
+		{
+			int lo = 0, hi = ranges.Count - 1;
+			while (lo <= hi)
+			{
+				int mid = (lo + hi) / 2;
+				if (codepoint < ranges[mid][0]) hi = mid - 1;
+				else if (codepoint > ranges[mid][1]) lo = mid + 1;
+				else return true;
+			}
+			return false;
+		}
+	}
+}
diff --git a/FontPreview/FontItem.cs b/FontPreview/FontItem.cs
new file mode 100644
index 0000000..8f77b6f
--- /dev/null
+++ b/FontPreview/FontItem.cs
@@ -0,0 +1,12 @@
+namespace FontPreview;
+
+public class FontItem
+{
+	public string Path;
+
+	public string Name;
+
+	public string DisplayName;
+
+	public string Cat;
+}
diff --git a/FontPreview/FontManagerEx.cs b/FontPreview/FontManagerEx.cs
new file mode 100644
index 0000000..4826ea2
--- /dev/null
+++ b/FontPreview/FontManagerEx.cs
@@ -0,0 +1,144 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Security.Principal;
+using Microsoft.Win32;
+
+namespace FontPreview;
+
+internal static class FontManagerEx
+{
+	internal static bool IsAdmin()
+	{
+		try
+		{
+			using WindowsIdentity ntIdentity = WindowsIdentity.GetCurrent();
+			WindowsPrincipal windowsPrincipal = new WindowsPrincipal(ntIdentity);
+			return windowsPrincipal.IsInRole(WindowsBuiltInRole.Administrator);
+		}
+		catch
+		{
+			return false;
+		}
+	}
+
+	internal static string GetFontDisplayName(string fontPath)
+	{
+		return FontNameParser.GetDisplayName(fontPath, null);
+	}
+
+	internal static bool InstallAsShortcut(string fontFullPath)
+	{
+		string lnkPath;
+		string regName;
+		return InstallAsShortcut(fontFullPath, out lnkPath, out regName);
+	}
+
+	internal static bool InstallAsShortcut(string fontFullPath, out string lnkPath, out string regName)
+	{
+		lnkPath = "";
+		regName = "";
+		try
+		{
+			string folderPath = Environment.GetFolderPath(Environment.SpecialFolder.Fonts);
+			string fileName = Path.GetFileName(fontFullPath);
+			lnkPath = Path.Combine(folderPath, fileName + ".lnk");
+			Type typeFromCLSID = Type.GetTypeFromCLSID(new Guid("00021401-0000-0000-C000-000000000046"));
+			if (typeFromCLSID == null)
+			{
+				lnkPath = "";
+				return false;
+			}
+			object obj = Activator.CreateInstance(typeFromCLSID);
+			try
+			{
+				ShellLinkW shellLinkW = (ShellLinkW)obj;
+				shellLinkW.SetPath(fontFullPath);
+				shellLinkW.SetWorkingDirectory(Path.GetDirectoryName(fontFullPath));
+				shellLinkW.SetIconLocation(fontFullPath, 0);
+				PersistFile persistFile = (PersistFile)obj;
+				persistFile.Save(lnkPath, fRemember: true);
+				Marshal.FinalReleaseComObject(persistFile);
+			}
+			finally
+			{
+				Marshal.FinalReleaseComObject(obj);
+			}
+			if (!File.Exists(lnkPath))
+			{
+				lnkPath = "（.lnk 生成失败）";
+				return false;
+			}
+			try
+			{
+				using RegistryKey registryKey = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts");
+				if (registryKey != null)
+				{
+					string fullPath = Path.GetFullPath(fontFullPath);
+					bool flag = false;
+					string[] valueNames = registryKey.GetValueNames();
+					foreach (string name in valueNames)
+					{
+						object value = registryKey.GetValue(name);
+						if (value is string)
+						{
+							string a = (string)value;
+							if (string.Equals(a, fontFullPath, StringComparison.OrdinalIgnoreCase) || string.Equals(a, fullPath, StringComparison.OrdinalIgnoreCase) || string.Equals(a, fileName, StringComparison.OrdinalIgnoreCase))
+							{
+								flag = true;
+								break;
+							}
+						}
+					}
+					if (flag)
+					{
+						regName = "";
+						lnkPath = "（已安装，未重复登记）";
+						return true;
+					}
+				}
+			}
+			catch
+			{
+			}
+			string text = GetFontDisplayName(fontFullPath);
+			if (string.IsNullOrEmpty(text))
+			{
+				text = Path.GetFileNameWithoutExtension(fontFullPath);
+			}
+			regName = text + " (TrueType)";
+			using (RegistryKey registryKey2 = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts", writable: true))
+			{
+				if (registryKey2 == null)
+				{
+					lnkPath = "（无法打开字体注册表键，需管理员权限）";
+					return false;
+				}
+				registryKey2.SetValue(regName, fontFullPath, RegistryValueKind.String);
+			}
+			try
+			{
+				using RegistryKey registryKey3 = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts");
+				string value2 = ((registryKey3 == null) ? null : (registryKey3.GetValue(regName) as string));
+				if (string.IsNullOrEmpty(value2))
+				{
+					lnkPath = "（注册表项写入后未验证通过）";
+					regName = "";
+					return false;
+				}
+			}
+			catch
+			{
+				regName = "";
+				return false;
+			}
+			return true;
+		}
+		catch (Exception ex)
+		{
+			lnkPath = "（异常：" + ex.Message + "）";
+			regName = "";
+			return false;
+		}
+	}
+}
diff --git a/FontPreview/FontNameParser.cs b/FontPreview/FontNameParser.cs
new file mode 100644
index 0000000..4377785
--- /dev/null
+++ b/FontPreview/FontNameParser.cs
@@ -0,0 +1,252 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace FontPreview;
+
+internal static class FontNameParser
+{
+	private struct NameRec
+	{
+		public int PlatformID;
+
+		public int EncodingID;
+
+		public int LanguageID;
+
+		public int NameID;
+
+		public byte[] Data;
+	}
+
+	private const int TTF_DIRREC_LEN = 16;
+
+	internal static string GetDisplayName(string fontPath, string fallback)
+	{
+		try
+		{
+			string text = Parse(fontPath);
+			return string.IsNullOrEmpty(text) ? fallback : text;
+		}
+		catch
+		{
+			return fallback;
+		}
+	}
+
+	private static string Parse(string path)
+	{
+		using FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
+		byte[] array = new byte[12];
+		if (!ReadFully(fileStream, array, 0, 12))
+		{
+			return null;
+		}
+		long num;
+		if (array[0] == 116 && array[1] == 116 && array[2] == 99 && array[3] == 102)
+		{
+			byte[] array2 = new byte[4];
+			if (!ReadFully(fileStream, array2, 0, 4))
+			{
+				return null;
+			}
+			num = Be32(array2, 0);
+		}
+		else
+		{
+			num = 0L;
+		}
+		fileStream.Seek(num + 4, SeekOrigin.Begin);
+		byte[] array3 = new byte[2];
+		if (!ReadFully(fileStream, array3, 0, 2))
+		{
+			return null;
+		}
+		int num2 = (array3[0] << 8) | array3[1];
+		fileStream.Seek(num + 12, SeekOrigin.Begin);
+		long num3 = 0L;
+		long num4 = 0L;
+		byte[] array4 = new byte[16];
+		for (int i = 0; i < num2; i++)
+		{
+			if (!ReadFully(fileStream, array4, 0, 16))
+			{
+				return null;
+			}
+			if (array4[0] == 110 && array4[1] == 97 && array4[2] == 109 && array4[3] == 101)
+			{
+				num3 = Be32(array4, 8);
+				num4 = Be32(array4, 12);
+				break;
+			}
+		}
+		if (num3 == 0 || num4 <= 0 || num4 > 4194304)
+		{
+			return null;
+		}
+		byte[] array5 = new byte[num4];
+		fileStream.Seek(num3, SeekOrigin.Begin);
+		if (!ReadFully(fileStream, array5, 0, (int)num4))
+		{
+			return null;
+		}
+		List<NameRec> list = new List<NameRec>();
+		int num5 = (array5[2] << 8) | array5[3];
+		int num6 = (array5[4] << 8) | array5[5];
+		int num7 = 6;
+		for (int i = 0; i < num5; i++)
+		{
+			if (num7 + 12 > num4)
+			{
+				break;
+			}
+			int platformID = (array5[num7] << 8) | array5[num7 + 1];
+			int encodingID = (array5[num7 + 2] << 8) | array5[num7 + 3];
+			int languageID = (array5[num7 + 4] << 8) | array5[num7 + 5];
+			int nameID = (array5[num7 + 6] << 8) | array5[num7 + 7];
+			int num8 = (array5[num7 + 8] << 8) | array5[num7 + 9];
+			int num9 = (array5[num7 + 10] << 8) | array5[num7 + 11];
+			if (num9 >= 0 && num8 > 0 && num6 + num9 + num8 <= num4)
+			{
+				NameRec item = default(NameRec);
+				item.PlatformID = platformID;
+				item.EncodingID = encodingID;
+				item.LanguageID = languageID;
+				item.NameID = nameID;
+				item.Data = new byte[num8];
+				Array.Copy(array5, num6 + num9, item.Data, 0, num8);
+				list.Add(item);
+			}
+			num7 += 12;
+		}
+		int[] array6 = new int[4] { 1, 4, 6, 16 };
+		int[] array7 = array6;
+		foreach (int nameID2 in array7)
+		{
+			string text = PickBest(list, nameID2);
+			if (!string.IsNullOrEmpty(text))
+			{
+				return text;
+			}
+		}
+		return null;
+	}
+
+	private static string PickBest(List<NameRec> recs, int nameID)
+	{
+		List<NameRec> list = new List<NameRec>();
+		foreach (NameRec rec in recs)
+		{
+			if (rec.NameID == nameID)
+			{
+				list.Add(rec);
+			}
+		}
+		if (list.Count == 0)
+		{
+			return null;
+		}
+		foreach (NameRec item in list)
+		{
+			if (item.PlatformID == 3 && item.LanguageID == 2052)
+			{
+				string text = Decode(item);
+				if (!string.IsNullOrEmpty(text))
+				{
+					return text;
+				}
+			}
+		}
+		foreach (NameRec item2 in list)
+		{
+			if (item2.PlatformID == 3 && item2.LanguageID == 1033)
+			{
+				string text = Decode(item2);
+				if (!string.IsNullOrEmpty(text))
+				{
+					return text;
+				}
+			}
+		}
+		foreach (NameRec item3 in list)
+		{
+			if (item3.PlatformID == 3 && item3.LanguageID == 0)
+			{
+				string text = Decode(item3);
+				if (!string.IsNullOrEmpty(text))
+				{
+					return text;
+				}
+			}
+		}
+		foreach (NameRec item4 in list)
+		{
+			if (item4.PlatformID == 3)
+			{
+				string text = Decode(item4);
+				if (!string.IsNullOrEmpty(text))
+				{
+					return text;
+				}
+			}
+		}
+		foreach (NameRec item5 in list)
+		{
+			if (item5.PlatformID == 0)
+			{
+				string text = Decode(item5);
+				if (!string.IsNullOrEmpty(text))
+				{
+					return text;
+				}
+			}
+		}
+		foreach (NameRec item6 in list)
+		{
+			if (item6.PlatformID == 1)
+			{
+				string text = Decode(item6);
+				if (!string.IsNullOrEmpty(text))
+				{
+					return text;
+				}
+			}
+		}
+		return null;
+	}
+
+	private static string Decode(NameRec r)
+	{
+		string text;
+		try
+		{
+			text = ((r.PlatformID != 3 && r.PlatformID != 0) ? Encoding.GetEncoding(28591).GetString(r.Data) : Encoding.BigEndianUnicode.GetString(r.Data));
+		}
+		catch
+		{
+			return null;
+		}
+		text = text.Trim('\0', ' ', '\t', '\r', '\n');
+		return string.IsNullOrEmpty(text) ? null : text;
+	}
+
+	private static bool ReadFully(Stream s, byte[] buf, int off, int len)
+	{
+		int num;
+		for (int i = 0; i < len; i += num)
+		{
+			num = s.Read(buf, off + i, len - i);
+			if (num <= 0)
+			{
+				return false;
+			}
+		}
+		return true;
+	}
+
+	private static uint Be32(byte[] b, int off)
+	{
+		return (uint)((b[off] << 24) | (b[off + 1] << 16) | (b[off + 2] << 8) | b[off + 3]);
+	}
+}
diff --git a/FontPreview/FontRenameDialog.cs b/FontPreview/FontRenameDialog.cs
new file mode 100644
index 0000000..10af433
--- /dev/null
+++ b/FontPreview/FontRenameDialog.cs
@@ -0,0 +1,283 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.IO;
+using System.Text;
+using System.Windows.Forms;
+
+namespace FontPreview;
+
+internal class FontRenameDialog : Form
+{
+	private List<FontItem> items;
+
+	public bool Renamed;
+
+	private TextBox txtPrefix;
+
+	private TextBox txtSuffix;
+
+	private TextBox txtFind;
+
+	private TextBox txtReplace;
+
+	private CheckBox chkSeq;
+
+	private NumericUpDown numSeq;
+
+	private ListView lv;
+
+	public FontRenameDialog(List<FontItem> list)
+	{
+		//IL_0046: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0050: Expected O, but got Unknown
+		items = list;
+		((Control)this).Text = "批量重命名（仅改文件名）";
+		((Control)this).Width = 820;
+		((Control)this).Height = 620;
+		((Form)this).StartPosition = (FormStartPosition)4;
+		((Control)this).Font = new Font("Microsoft YaHei UI", 9f);
+		Build();
+	}
+
+	private void Build()
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0007: Expected O, but got Unknown
+		//IL_0023: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002d: Expected O, but got Unknown
+		//IL_0041: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0047: Expected O, but got Unknown
+		//IL_0066: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0070: Expected O, but got Unknown
+		//IL_0087: Unknown result type (might be due to invalid IL or missing references)
+		//IL_008d: Expected O, but got Unknown
+		//IL_00ac: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00b6: Expected O, but got Unknown
+		//IL_00cd: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00d3: Expected O, but got Unknown
+		//IL_00f2: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00fc: Expected O, but got Unknown
+		//IL_0190: Unknown result type (might be due to invalid IL or missing references)
+		//IL_019a: Expected O, but got Unknown
+		//IL_01c2: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01c9: Expected O, but got Unknown
+		//IL_01ea: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01f4: Expected O, but got Unknown
+		//IL_0277: Unknown result type (might be due to invalid IL or missing references)
+		//IL_027e: Expected O, but got Unknown
+		//IL_02b2: Unknown result type (might be due to invalid IL or missing references)
+		//IL_02b9: Expected O, but got Unknown
+		//IL_0336: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0340: Expected O, but got Unknown
+		//IL_03e1: Unknown result type (might be due to invalid IL or missing references)
+		//IL_03e8: Expected O, but got Unknown
+		Label val = new Label();
+		((Control)val).Text = "前缀";
+		((Control)val).SetBounds(12, 14, 40, 22);
+		txtPrefix = new TextBox();
+		((Control)txtPrefix).SetBounds(52, 11, 110, 24);
+		Label val2 = new Label();
+		((Control)val2).Text = "后缀";
+		((Control)val2).SetBounds(170, 14, 40, 22);
+		txtSuffix = new TextBox();
+		((Control)txtSuffix).SetBounds(210, 11, 110, 24);
+		Label val3 = new Label();
+		((Control)val3).Text = "查找";
+		((Control)val3).SetBounds(330, 14, 40, 22);
+		txtFind = new TextBox();
+		((Control)txtFind).SetBounds(370, 11, 100, 24);
+		Label val4 = new Label();
+		((Control)val4).Text = "替换";
+		((Control)val4).SetBounds(480, 14, 40, 22);
+		txtReplace = new TextBox();
+		((Control)txtReplace).SetBounds(520, 11, 100, 24);
+		((Control)this).Controls.Add((Control)(object)val);
+		((Control)this).Controls.Add((Control)(object)txtPrefix);
+		((Control)this).Controls.Add((Control)(object)val2);
+		((Control)this).Controls.Add((Control)(object)txtSuffix);
+		((Control)this).Controls.Add((Control)(object)val3);
+		((Control)this).Controls.Add((Control)(object)txtFind);
+		((Control)this).Controls.Add((Control)(object)val4);
+		((Control)this).Controls.Add((Control)(object)txtReplace);
+		chkSeq = new CheckBox();
+		((Control)chkSeq).Text = "自动编号避免重名";
+		((Control)chkSeq).SetBounds(12, 44, 160, 24);
+		Label val5 = new Label();
+		((Control)val5).Text = "起始";
+		((Control)val5).SetBounds(180, 48, 34, 22);
+		numSeq = new NumericUpDown();
+		numSeq.Minimum = 1m;
+		numSeq.Maximum = 9999m;
+		numSeq.Value = 1m;
+		((Control)numSeq).SetBounds(216, 44, 60, 24);
+		((Control)this).Controls.Add((Control)(object)chkSeq);
+		((Control)this).Controls.Add((Control)(object)val5);
+		((Control)this).Controls.Add((Control)(object)numSeq);
+		Button val6 = new Button();
+		((Control)val6).Text = "生成预览";
+		((Control)val6).SetBounds(300, 42, 96, 28);
+		((Control)val6).Click += delegate
+		{
+			Preview();
+		};
+		Button val7 = new Button();
+		((Control)val7).Text = "执行重命名";
+		((Control)val7).BackColor = Color.FromArgb(196, 82, 43);
+		((Control)val7).ForeColor = Color.White;
+		((ButtonBase)val7).FlatStyle = (FlatStyle)0;
+		((Control)val7).SetBounds(696, 42, 110, 28);
+		((Control)val7).Click += delegate
+		{
+			DoRename();
+		};
+		((Control)this).Controls.Add((Control)(object)val6);
+		((Control)this).Controls.Add((Control)(object)val7);
+		lv = new ListView();
+		lv.View = (View)1;
+		lv.FullRowSelect = true;
+		lv.GridLines = true;
+		lv.Columns.Add("原名", 340);
+		lv.Columns.Add("新名", 340);
+		lv.Columns.Add("状态", 100);
+		((Control)lv).SetBounds(12, 80, 796, 460);
+		((Control)this).Controls.Add((Control)(object)lv);
+		Button val8 = new Button();
+		((Control)val8).Text = "关闭";
+		val8.DialogResult = (DialogResult)2;
+		((Control)val8).SetBounds(696, 550, 110, 30);
+		((Control)this).Controls.Add((Control)(object)val8);
+		((Form)this).CancelButton = (IButtonControl)(object)val8;
+	}
+
+	private void Preview()
+	{
+		lv.BeginUpdate();
+		lv.Items.Clear();
+		int num = (int)numSeq.Value;
+		HashSet<string> hashSet = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+		for (int i = 0; i < items.Count; i++)
+		{
+			FontItem fontItem = items[i];
+			string text = Path.GetFileNameWithoutExtension(fontItem.Name);
+			string extension = Path.GetExtension(fontItem.Name);
+			if (((Control)txtFind).Text.Length > 0)
+			{
+				text = text.Replace(((Control)txtFind).Text, ((Control)txtReplace).Text);
+			}
+			string text2 = ((Control)txtPrefix).Text + text + ((Control)txtSuffix).Text + extension;
+			string text3 = "";
+			if (string.Equals(text2, fontItem.Name, StringComparison.OrdinalIgnoreCase))
+			{
+				text3 = "无变化";
+				ListViewItem val = lv.Items.Add(fontItem.Name);
+				val.SubItems.Add(text2);
+				val.SubItems.Add(text3);
+				continue;
+			}
+			if (hashSet.Contains(text2))
+			{
+				if (chkSeq.Checked)
+				{
+					do
+					{
+						text2 = ((Control)txtPrefix).Text + text + ((Control)txtSuffix).Text + "_" + num.ToString("000") + extension;
+						num++;
+					}
+					while (hashSet.Contains(text2));
+					hashSet.Add(text2);
+					text3 = "已编号";
+				}
+				else
+				{
+					text3 = "重名(未处理)";
+				}
+			}
+			else
+			{
+				hashSet.Add(text2);
+			}
+			ListViewItem val2 = lv.Items.Add(fontItem.Name);
+			val2.SubItems.Add(text2);
+			val2.SubItems.Add(text3);
+			if (text3 == "重名(未处理)")
+			{
+				val2.ForeColor = Color.Red;
+			}
+		}
+		lv.EndUpdate();
+	}
+
+	private void DoRename()
+	{
+		//IL_0029: Unknown result type (might be due to invalid IL or missing references)
+		//IL_029f: Unknown result type (might be due to invalid IL or missing references)
+		if (lv.Items.Count == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先点击「生成预览」", "提示");
+			return;
+		}
+		int num = 0;
+		int num2 = 0;
+		List<string> list = new List<string>();
+		for (int i = 0; i < lv.Items.Count; i++)
+		{
+			string path = items[i].Path;
+			string text = lv.Items[i].SubItems[1].Text;
+			string text2 = lv.Items[i].SubItems[2].Text;
+			if (text2 == "无变化" || text2 == "重名(未处理)")
+			{
+				if (text2 == "重名(未处理)")
+				{
+					num2++;
+				}
+				continue;
+			}
+			string fileName = Path.GetFileName(path);
+			if (string.Equals(fileName, text, StringComparison.OrdinalIgnoreCase))
+			{
+				num++;
+				continue;
+			}
+			try
+			{
+				string directoryName = Path.GetDirectoryName(path);
+				string text3 = (string.IsNullOrEmpty(directoryName) ? text : Path.Combine(directoryName, text));
+				if (File.Exists(text3))
+				{
+					num2++;
+					list.Add(path);
+				}
+				else
+				{
+					File.Move(path, text3);
+					num++;
+				}
+			}
+			catch (Exception)
+			{
+				num2++;
+				list.Add(path);
+			}
+		}
+		if (num > 0)
+		{
+			Renamed = true;
+		}
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.Append("重命名完成：成功 " + num + "，失败 " + num2 + "\r\n");
+		if (list.Count > 0 && list.Count <= 20)
+		{
+			stringBuilder.Append("失败项：\r\n");
+			foreach (string item in list)
+			{
+				stringBuilder.Append("  " + Path.GetFileName(item) + "\r\n");
+			}
+		}
+		if (list.Count > 20)
+		{
+			stringBuilder.Append("（失败项过多，仅显示前 20 条）\r\n");
+		}
+		MessageBox.Show((IWin32Window)(object)this, stringBuilder.ToString(), "批量重命名", (MessageBoxButtons)0, (MessageBoxIcon)64);
+	}
+}
diff --git a/FontPreview/GlyphCoverageDialog.cs b/FontPreview/GlyphCoverageDialog.cs
new file mode 100644
index 0000000..8458127
--- /dev/null
+++ b/FontPreview/GlyphCoverageDialog.cs
@@ -0,0 +1,135 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+
+namespace FontPreview
+{
+	/// <summary>
+	/// 缺字检测对话框：选一款已加载字体，输入测试文本，
+	/// 用 cmap 表判断哪些字符该字体没有字形。
+	/// </summary>
+	public class GlyphCoverageDialog : Form
+	{
+		private List<FontItem> items;
+		private ComboBox cboFont;
+		private TextBox txtTest;
+		private TextBox txtResult;
+		private Label lblStat;
+
+		public GlyphCoverageDialog(List<FontItem> items)
+		{
+			this.items = items;
+			Text = "缺字检测";
+			FormBorderStyle = FormBorderStyle.SizableToolWindow;
+			StartPosition = FormStartPosition.CenterParent;
+			ClientSize = new Size(560, 460);
+			Font = new Font("Microsoft YaHei UI", 9f);
+			MinimumSize = new Size(480, 400);
+
+			Label l1 = new Label { Text = "字体：", Location = new Point(12, 15), Size = new Size(40, 20) };
+			cboFont = new ComboBox { DropDownStyle = ComboBoxStyle.DropDownList, Location = new Point(56, 12), Size = new Size(480, 24) };
+			foreach (FontItem it in items)
+			{
+				cboFont.Items.Add(it.DisplayName + "  ——  " + it.Name);
+			}
+			if (cboFont.Items.Count > 0) cboFont.SelectedIndex = 0;
+
+			Label l2 = new Label { Text = "测试文字（逐字检查是否缺字）：", Location = new Point(12, 48), Size = new Size(300, 20) };
+			txtTest = new TextBox
+			{
+				Multiline = true,
+				ScrollBars = ScrollBars.Vertical,
+				Location = new Point(12, 72),
+				Size = new Size(524, 110),
+				Text = SampleTexts.All[0].Text
+			};
+
+			Button btnGo = new Button { Text = "开始检测", Location = new Point(12, 190), Size = new Size(100, 28) };
+			btnGo.Click += OnGo;
+
+			lblStat = new Label { Text = "选择字体后点击“开始检测”", Location = new Point(122, 195), Size = new Size(414, 20) };
+
+			txtResult = new TextBox
+			{
+				Multiline = true,
+				ReadOnly = true,
+				ScrollBars = ScrollBars.Vertical,
+				Location = new Point(12, 226),
+				Size = new Size(524, 222),
+				BackColor = Color.White,
+				Font = new Font("Microsoft YaHei UI", 10f)
+			};
+
+			Controls.Add(l1); Controls.Add(cboFont);
+			Controls.Add(l2); Controls.Add(txtTest);
+			Controls.Add(btnGo); Controls.Add(lblStat);
+			Controls.Add(txtResult);
+		}
+
+		private void OnGo(object sender, EventArgs e)
+		{
+			if (cboFont.SelectedIndex < 0) { lblStat.Text = "请先选择字体"; return; }
+			FontItem it = items[cboFont.SelectedIndex];
+			FontCmap cmap = FontCmap.Load(it.Path);
+			if (cmap == null)
+			{
+				lblStat.Text = "无法解析该字体（可能不是 TTF/OTF）";
+				txtResult.Text = "";
+				return;
+			}
+
+			string test = txtTest.Text ?? "";
+			HashSet<int> seen = new HashSet<int>();
+			List<string> missing = new List<string>();
+			int total = 0;
+			// 按 UTF-32 码点遍历，正确处理 emoji/代理对，避免孤立高代理项报错
+			for (int i = 0; i < test.Length; i++)
+			{
+				char ch = test[i];
+				if (char.IsWhiteSpace(ch) || char.IsPunctuation(ch)) continue;
+				int cp;
+				string chStr;
+				if (char.IsHighSurrogate(ch) && i + 1 < test.Length && char.IsLowSurrogate(test[i + 1]))
+				{
+					cp = char.ConvertToUtf32(ch, test[i + 1]);
+					chStr = new string(new char[] { ch, test[i + 1] });
+					i++;
+				}
+				else if (char.IsSurrogate(ch))
+				{
+					continue; // 孤立代理项，跳过
+				}
+				else
+				{
+					cp = ch;
+					chStr = ch.ToString();
+				}
+				if (!seen.Add(cp)) continue;
+				total++;
+				if (!cmap.HasGlyph(cp))
+				{
+					missing.Add(chStr);
+				}
+			}
+
+			int cover = total - missing.Count;
+			lblStat.Text = string.Format("共检查 {0} 个不同字符，覆盖 {1}，缺字 {2} 个", total, cover, missing.Count);
+			if (missing.Count == 0)
+			{
+				txtResult.Text = "✓ 该字体覆盖测试文本中的全部字符，无缺字。";
+			}
+			else
+			{
+				StringBuilder sb = new StringBuilder();
+				sb.AppendLine("以下字符该字体缺字（无字形）：");
+				sb.AppendLine();
+				sb.AppendLine(string.Join("  ", missing));
+				sb.AppendLine();
+				sb.AppendLine("建议：换字体或减少这些用字。");
+				txtResult.Text = sb.ToString();
+			}
+		}
+	}
+}
diff --git a/FontPreview/IFileOpenDialog.cs b/FontPreview/IFileOpenDialog.cs
new file mode 100644
index 0000000..63c6308
--- /dev/null
+++ b/FontPreview/IFileOpenDialog.cs
@@ -0,0 +1,88 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace FontPreview;
+
+[ComImport]
+[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+[Guid("d57c7288-d4ad-4768-be02-9d969532d960")]
+internal interface IFileOpenDialog
+{
+	[PreserveSig]
+	int Show(IntPtr hwndOwner);
+
+	[PreserveSig]
+	int SetFileTypes(uint cFileTypes, [In][MarshalAs(UnmanagedType.LPArray)] IntPtr[] rgFilterSpec);
+
+	[PreserveSig]
+	int SetFileTypeIndex(uint iFileType);
+
+	[PreserveSig]
+	int GetFileTypeIndex(out uint piFileType);
+
+	[PreserveSig]
+	int Advise(IntPtr pfde, out uint pdwCookie);
+
+	[PreserveSig]
+	int Unadvise(uint dwCookie);
+
+	[PreserveSig]
+	int SetOptions(uint fos);
+
+	[PreserveSig]
+	int GetOptions(out uint pfos);
+
+	[PreserveSig]
+	int SetDefaultFolder(IShellItem psi);
+
+	[PreserveSig]
+	int SetFolder(IShellItem psi);
+
+	[PreserveSig]
+	int GetFolder(out IShellItem ppsi);
+
+	[PreserveSig]
+	int GetCurrentSelection(out IShellItem ppsi);
+
+	[PreserveSig]
+	int SetFileName([MarshalAs(UnmanagedType.LPWStr)] string pszName);
+
+	[PreserveSig]
+	int GetFileName([MarshalAs(UnmanagedType.LPWStr)] out string pszName);
+
+	[PreserveSig]
+	int SetTitle([MarshalAs(UnmanagedType.LPWStr)] string pszTitle);
+
+	[PreserveSig]
+	int SetOkButtonLabel([MarshalAs(UnmanagedType.LPWStr)] string pszText);
+
+	[PreserveSig]
+	int SetFileNameLabel([MarshalAs(UnmanagedType.LPWStr)] string pszLabel);
+
+	[PreserveSig]
+	int GetResult(out IShellItem ppsi);
+
+	[PreserveSig]
+	int AddPlace(IShellItem psi, int fdap);
+
+	[PreserveSig]
+	int SetDefaultExtension([MarshalAs(UnmanagedType.LPWStr)] string pszDefaultExtension);
+
+	[PreserveSig]
+	int Close(int hr);
+
+	[PreserveSig]
+	int SetClientGuid(ref Guid guid);
+
+	[PreserveSig]
+	int ClearClientData();
+
+	[PreserveSig]
+	int SetFilter(IntPtr pFilter);
+
+	[PreserveSig]
+	int GetResults(IntPtr ppenum);
+
+	[PreserveSig]
+	int GetSelectedItems(IntPtr ppsai);
+}
diff --git a/FontPreview/IShellItem.cs b/FontPreview/IShellItem.cs
new file mode 100644
index 0000000..42c3abe
--- /dev/null
+++ b/FontPreview/IShellItem.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace FontPreview;
+
+[ComImport]
+[Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe")]
+[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+internal interface IShellItem
+{
+	[PreserveSig]
+	int BindToHandler(IntPtr pbc, Guid bhid, Guid riid, out IntPtr ppv);
+
+	[PreserveSig]
+	int GetParent(out IShellItem ppsi);
+
+	[PreserveSig]
+	int GetDisplayName(int sigdnName, out IntPtr ppszName);
+
+	[PreserveSig]
+	int GetAttributes(int sfgaoMask, out int psfgaoAttribs);
+
+	[PreserveSig]
+	int Compare(IShellItem psi, int hint, out int piOrder);
+}
diff --git a/FontPreview/InstallRunner.cs b/FontPreview/InstallRunner.cs
new file mode 100644
index 0000000..47804b2
--- /dev/null
+++ b/FontPreview/InstallRunner.cs
@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Windows.Forms;
+
+namespace FontPreview;
+
+// 被提权（runas）拉起的无界面安装子进程：
+// 主程序以普通权限运行，复制好字体文件后，用 runas 启动自身并带 /install "<目录>" 参数，
+// 本子进程只负责把该目录里的字体注册为系统字体，完成后弹个结果框即退出，主程序不重启、不受影响。
+internal static class InstallRunner
+{
+	internal static void Run(string dir)
+	{
+		if (string.IsNullOrEmpty(dir) || !Directory.Exists(dir))
+		{
+			MessageBox.Show("安装目录不存在：" + dir, AppInfo.AppName + " 安装", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+			return;
+		}
+		HashSet<string> exts = new HashSet<string>(StringComparer.OrdinalIgnoreCase) { ".ttf", ".otf", ".ttc", ".ote" };
+		int added = 0, skipped = 0, failed = 0;
+		List<string> failNames = new List<string>();
+		try
+		{
+			foreach (string f in Directory.GetFiles(dir))
+			{
+				if (!exts.Contains(Path.GetExtension(f))) continue;
+				string lnk, reg;
+				if (!FontManagerEx.InstallAsShortcut(f, out lnk, out reg))
+				{
+					failed++;
+					failNames.Add(Path.GetFileName(f));
+					continue;
+				}
+				if (lnk != null && lnk.StartsWith("（已安装")) skipped++;
+				else added++;
+			}
+		}
+		catch (Exception ex)
+		{
+			MessageBox.Show("安装过程异常：" + ex.Message, AppInfo.AppName + " 安装", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			return;
+		}
+		string msg = "系统字体安装完成：\r\n新注册 " + added + " 个，已存在跳过 " + skipped + " 个，失败 " + failed + " 个。";
+		if (failed > 0)
+		{
+			msg += "\r\n\r\n失败项：";
+			foreach (string n in failNames) msg += "\r\n  " + n;
+		}
+		msg += "\r\n\r\n若在 Word/PS 等软件中未立即出现，请注销重新登录或重启后查看。";
+		MessageBox.Show(msg, AppInfo.AppName + " 安装", MessageBoxButtons.OK, MessageBoxIcon.Information);
+	}
+}
diff --git a/FontPreview/MainForm.cs b/FontPreview/MainForm.cs
new file mode 100644
index 0000000..8e99784
--- /dev/null
+++ b/FontPreview/MainForm.cs
@@ -0,0 +1,2323 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Drawing;
+using System.IO;
+using System.Text;
+using System.Windows.Forms;
+using System.Windows.Forms.Layout;
+using Microsoft.Win32;
+
+namespace FontPreview;
+
+public class MainForm : Form
+{
+	private const string TAG_PREFIX = "TAG:";
+
+	private TextBox txtPath;
+
+	private Button btnChoose;
+
+	private Button btnApply;
+
+	private Label lblStat;
+
+	private TreeView catBox;
+	private TextBox txtSearch;
+	private Dictionary<string, TreeNode> nodeIndex = new Dictionary<string, TreeNode>(StringComparer.OrdinalIgnoreCase);
+
+	private TextBox txtInput;
+
+	private NumericUpDown numSize;
+
+	private NumericUpDown numLimit;
+
+	private Label lblFg;
+
+	private Label lblBg;
+
+	private Button btnRender;
+
+	private Button btnStop;
+
+	private Button btnMore;
+
+	private Button btnTag;
+
+	private Button btnExport;
+
+	private Button btnRename;
+
+	private Button btnMove;
+
+	private TextBox txtMoveDir;
+
+	private string moveDir = "";
+
+	private ProgressBar prog;
+
+	private Label lblProg;
+
+	private Panel rightPanel;
+
+	private FlowLayoutPanel flow;
+
+	private Color fgColor = Color.FromArgb(34, 34, 34);
+
+	private Color bgColor = Color.White;
+
+	private Dictionary<string, List<FontItem>> categories = new Dictionary<string, List<FontItem>>();
+
+	private string rootDir = "";
+
+	private Worker worker;
+
+	private string renderHash = "";
+
+	private Dictionary<string, Bitmap> cache = new Dictionary<string, Bitmap>();
+
+	private List<FontItem> allItems = new List<FontItem>();
+
+	private Dictionary<string, FontItem> pathIndex = new Dictionary<string, FontItem>(StringComparer.OrdinalIgnoreCase);
+
+	private List<FontItem> compareList = new List<FontItem>();
+
+	private Dictionary<string, List<string>> tags = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
+
+	private bool isScanning;
+
+	private FontItem curPreviewItem;
+	private PictureBox curPreviewPic;
+	private List<KeyValuePair<FontItem, PictureBox>> renderedPics = new List<KeyValuePair<FontItem, PictureBox>>();
+
+	private string CfgFile => Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), "config.txt");
+
+	private string TagFile => Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), "tags.txt");
+
+	public ProgressBar Prog => prog;
+
+	public Label ProgText => lblProg;
+
+	public MainForm()
+	{
+		//IL_00bf: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00c9: Expected O, but got Unknown
+		((Control)this).Text = AppInfo.FullTitle;
+		// 启动时检测并确保允许快捷方式安装字体
+		EnsureInstallAsLinkEnabled();
+		try
+		{
+			System.Reflection.Assembly asm = System.Reflection.Assembly.GetExecutingAssembly();
+			string resName = null;
+			foreach (string n in asm.GetManifestResourceNames())
+			{
+				if (n.EndsWith("app.ico", StringComparison.OrdinalIgnoreCase)) { resName = n; break; }
+			}
+			if (resName != null)
+			{
+				using (System.IO.Stream s = asm.GetManifestResourceStream(resName))
+				{
+					((Form)this).Icon = new Icon(s);
+				}
+			}
+		}
+		catch { }
+		((Control)this).Width = 1180;
+		((Control)this).Height = 780;
+		((Form)this).StartPosition = (FormStartPosition)1;
+		((Control)this).Font = new Font("Microsoft YaHei UI", 9f);
+		LoadTags();
+		BuildUI();
+		EventHandler eventHandler = delegate
+		{
+			RestoreLastDir();
+		};
+		((Form)this).Load += eventHandler;
+	}
+
+	// 确保系统允许用快捷方式安装字体（HKCU，无需管理员）
+	private void EnsureInstallAsLinkEnabled()
+	{
+		try
+		{
+			using (Microsoft.Win32.RegistryKey key = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows NT\CurrentVersion\Font Management", true))
+			{
+				if (key == null)
+				{
+					using (Microsoft.Win32.RegistryKey created = Microsoft.Win32.Registry.CurrentUser.CreateSubKey(@"Software\Microsoft\Windows NT\CurrentVersion\Font Management"))
+					{
+						created.SetValue("InstallAsLink", 1, Microsoft.Win32.RegistryValueKind.DWord);
+					}
+				}
+				else
+				{
+					object val = key.GetValue("InstallAsLink");
+					if (val == null || val.ToString() != "1")
+					{
+						key.SetValue("InstallAsLink", 1, Microsoft.Win32.RegistryValueKind.DWord);
+					}
+				}
+			}
+		}
+		catch { }
+	}
+
+	private void BuildUI()
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0007: Expected O, but got Unknown
+		//IL_0023: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002d: Expected O, but got Unknown
+		//IL_003a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0044: Expected O, but got Unknown
+		//IL_0059: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0063: Expected O, but got Unknown
+		//IL_0071: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0077: Expected O, but got Unknown
+		//IL_0082: Unknown result type (might be due to invalid IL or missing references)
+		//IL_009c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a2: Expected O, but got Unknown
+		//IL_00cd: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00d7: Expected O, but got Unknown
+		//IL_010c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0116: Expected O, but got Unknown
+		//IL_012a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0134: Expected O, but got Unknown
+		//IL_0187: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0191: Expected O, but got Unknown
+		//IL_01e7: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01f1: Expected O, but got Unknown
+		//IL_023c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0242: Expected O, but got Unknown
+		//IL_026a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0271: Expected O, but got Unknown
+		//IL_02b3: Unknown result type (might be due to invalid IL or missing references)
+		//IL_02ba: Expected O, but got Unknown
+		//IL_02fd: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0307: Expected O, but got Unknown
+		//IL_0358: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0362: Expected O, but got Unknown
+		//IL_0375: Unknown result type (might be due to invalid IL or missing references)
+		//IL_037c: Expected O, but got Unknown
+		//IL_03ae: Unknown result type (might be due to invalid IL or missing references)
+		//IL_03b8: Expected O, but got Unknown
+		//IL_040f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0416: Expected O, but got Unknown
+		//IL_043a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0441: Expected O, but got Unknown
+		//IL_046c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0476: Expected O, but got Unknown
+		//IL_04d5: Unknown result type (might be due to invalid IL or missing references)
+		//IL_04dc: Expected O, but got Unknown
+		//IL_0508: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0512: Expected O, but got Unknown
+		//IL_0590: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0597: Expected O, but got Unknown
+		//IL_05cf: Unknown result type (might be due to invalid IL or missing references)
+		//IL_05d9: Expected O, but got Unknown
+		//IL_05e9: Unknown result type (might be due to invalid IL or missing references)
+		//IL_05f0: Expected O, but got Unknown
+		//IL_061c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0626: Expected O, but got Unknown
+		//IL_0695: Unknown result type (might be due to invalid IL or missing references)
+		//IL_069c: Expected O, but got Unknown
+		//IL_06c9: Unknown result type (might be due to invalid IL or missing references)
+		//IL_06d3: Expected O, but got Unknown
+		//IL_0746: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0750: Expected O, but got Unknown
+		//IL_07db: Unknown result type (might be due to invalid IL or missing references)
+		//IL_07e5: Expected O, but got Unknown
+		//IL_0848: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0852: Expected O, but got Unknown
+		//IL_08b5: Unknown result type (might be due to invalid IL or missing references)
+		//IL_08bf: Expected O, but got Unknown
+		//IL_0907: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0911: Expected O, but got Unknown
+		//IL_095d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0967: Expected O, but got Unknown
+		//IL_097b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0985: Expected O, but got Unknown
+		//IL_09d8: Unknown result type (might be due to invalid IL or missing references)
+		//IL_09e2: Expected O, but got Unknown
+		//IL_0a35: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0a3f: Expected O, but got Unknown
+		//IL_0a94: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0a9b: Expected O, but got Unknown
+		//IL_0add: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0ae7: Expected O, but got Unknown
+		//IL_0b20: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0b2a: Expected O, but got Unknown
+		//IL_0b3d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0b44: Expected O, but got Unknown
+		//IL_0b8a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0b94: Expected O, but got Unknown
+		//IL_0bea: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0bf4: Expected O, but got Unknown
+		//IL_0c28: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0c32: Expected O, but got Unknown
+		//IL_0c87: Unknown result type (might be due to invalid IL or missing references)
+		TableLayoutPanel val = new TableLayoutPanel();
+		((Control)val).Dock = (DockStyle)5;
+		val.ColumnCount = 2;
+		val.ColumnStyles.Add(new ColumnStyle((SizeType)1, 320f));
+		val.ColumnStyles.Add(new ColumnStyle((SizeType)2, 100f));
+		val.RowCount = 1;
+		val.RowStyles.Add(new RowStyle((SizeType)2, 100f));
+		((Control)this).Controls.Add((Control)(object)val);
+		Panel val2 = new Panel();
+		((Control)val2).Dock = (DockStyle)5;
+		((Control)val2).Padding = new Padding(10);
+		val.Controls.Add((Control)(object)val2, 0, 0);
+		((Control)val2).BackColor = UiTheme.PanelBg;
+		Label val3 = new Label();
+		((Control)val3).Text = "字体目录路径（网络盘直接粘贴：\\\\server\\share 或 Z:\\）";
+		((Control)val3).SetBounds(10, 8, 300, 18);
+		((Control)val3).Font = new Font("Microsoft YaHei UI", 9.5f, FontStyle.Bold);
+		((Control)val3).ForeColor = UiTheme.Primary;
+		((Control)val2).Controls.Add((Control)(object)val3);
+		txtPath = new TextBox();
+		((Control)txtPath).Text = "";
+		((Control)txtPath).SetBounds(10, 28, 300, 26);
+		((Control)txtPath).KeyDown += (KeyEventHandler)delegate(object s, KeyEventArgs e)
+		{
+			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0009: Invalid comparison between Unknown and I4
+			if ((int)e.KeyCode == 13)
+			{
+				ApplyPath();
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)txtPath);
+		btnChoose = new Button();
+		((Control)btnChoose).Text = "浏览…";
+		((Control)btnChoose).SetBounds(10, 58, 145, 28);
+		((Control)btnChoose).Click += delegate
+		{
+			ChooseDir();
+		};
+		((Control)val2).Controls.Add((Control)(object)btnChoose);
+		btnApply = new Button();
+		((Control)btnApply).Text = "应用路径";
+		((Control)btnApply).SetBounds(160, 58, 150, 28);
+		((Control)btnApply).Click += delegate
+		{
+			ApplyPath();
+		};
+		((Control)val2).Controls.Add((Control)(object)btnApply);
+		lblStat = new Label();
+		((Control)lblStat).Text = "尚未选择目录";
+		((Control)lblStat).SetBounds(10, 90, 300, 20);
+		((Control)lblStat).ForeColor = UiTheme.SubText;
+		((Control)val2).Controls.Add((Control)(object)lblStat);
+		Label val4 = new Label();
+		((Control)val4).Text = "选择分类";
+		((Control)val4).SetBounds(10, 114, 120, 20);
+		((Control)val4).Font = new Font("Microsoft YaHei UI", 9.5f, FontStyle.Bold);
+		((Control)val4).ForeColor = UiTheme.Primary;
+		((Control)val2).Controls.Add((Control)(object)val4);
+		Button val5 = new Button();
+		((Control)val5).Text = "全选";
+		((Control)val5).SetBounds(170, 112, 60, 24);
+		((Control)val5).Click += delegate
+		{
+			//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0021: Expected O, but got Unknown
+			foreach (TreeNode node in catBox.Nodes)
+			{
+				TreeNode n2 = node;
+				SetNodeChecked(n2, check: true);
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)val5);
+		Button val6 = new Button();
+		((Control)val6).Text = "全不选";
+		((Control)val6).SetBounds(238, 112, 72, 24);
+		((Control)val6).Click += delegate
+		{
+			//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0021: Expected O, but got Unknown
+			foreach (TreeNode node2 in catBox.Nodes)
+			{
+				TreeNode n = node2;
+				SetNodeChecked(n, check: false);
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)val6);
+		catBox = new TreeView();
+		((Control)catBox).SetBounds(10, 138, 300, 180);
+		catBox.CheckBoxes = true;
+		catBox.HideSelection = false;
+		catBox.FullRowSelect = true;
+		catBox.AfterCheck += (TreeViewEventHandler)delegate(object s, TreeViewEventArgs e)
+		{
+			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0008: Invalid comparison between Unknown and I4
+			if ((int)e.Action == 2)
+			{
+				SetNodeChecked(e.Node, e.Node.Checked);
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)catBox);
+		// 新增：字体搜索框
+		Label valSearchLabel = new Label();
+		((Control)valSearchLabel).Text = "搜索字体（按名称/文件名过滤预览）";
+		((Control)valSearchLabel).SetBounds(10, 322, 300, 20);
+		((Control)valSearchLabel).Font = new Font("Microsoft YaHei UI", 9.5f, FontStyle.Bold);
+		((Control)valSearchLabel).ForeColor = UiTheme.Primary;
+		((Control)val2).Controls.Add((Control)(object)valSearchLabel);
+		txtSearch = new TextBox();
+		((Control)txtSearch).SetBounds(10, 344, 300, 26);
+		// 回车直接触发预览
+		txtSearch.KeyDown += delegate(object s, KeyEventArgs e)
+		{
+			if (e.KeyCode == Keys.Enter && !e.Shift)
+			{
+				e.SuppressKeyPress = true;
+				btnRender.PerformClick();
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)txtSearch);
+		Label val7 = new Label();
+		((Control)val7).Text = "预览文字";
+		((Control)val7).SetBounds(10, 376, 300, 20);
+		((Control)val7).Font = new Font("Microsoft YaHei UI", 9.5f, FontStyle.Bold);
+		((Control)val7).ForeColor = UiTheme.Primary;
+		((Control)val2).Controls.Add((Control)(object)val7);
+		txtInput = new TextBox();
+		((TextBoxBase)txtInput).Multiline = true;
+		((Control)txtInput).Text = "你好，世界 Welcome to Font Preview 0123456789";
+		((Control)txtInput).SetBounds(10, 398, 300, 60);
+		txtInput.ScrollBars = (ScrollBars)2;
+		((Control)val2).Controls.Add((Control)(object)txtInput);
+		// 新增：右键“预览文字”框 → 一键填入中文样例
+		ContextMenuStrip sampleMenu = new ContextMenuStrip();
+		foreach (KeyValuePair<string, string> kv in SampleTexts.GetItems())
+		{
+			string cap = kv.Key;
+			string content = kv.Value;
+			ToolStripMenuItem mi = new ToolStripMenuItem("填入样例：" + cap);
+			mi.Click += delegate
+			{
+				((Control)txtInput).Text = content;
+			};
+			sampleMenu.Items.Add(mi);
+		}
+		((Control)txtInput).ContextMenuStrip = sampleMenu;
+		Panel val8 = new Panel();
+		((Control)val8).SetBounds(10, 484, 300, 60);
+		((Control)val2).Controls.Add((Control)(object)val8);
+		Label val9 = new Label();
+		((Control)val9).Text = "字号";
+		((Control)val9).SetBounds(0, 2, 34, 22);
+		((Control)val8).Controls.Add((Control)(object)val9);
+		numSize = new NumericUpDown();
+		numSize.Minimum = 12m;
+		numSize.Maximum = 120m;
+		numSize.Value = 40m;
+		((Control)numSize).SetBounds(36, 0, 56, 24);
+		numSize.ValueChanged += delegate { RerenderCurrent(); };
+		((Control)val8).Controls.Add((Control)(object)numSize);
+		Label val10 = new Label();
+		((Control)val10).Text = "上限";
+		((Control)val10).SetBounds(100, 2, 34, 22);
+		((Control)val8).Controls.Add((Control)(object)val10);
+		numLimit = new NumericUpDown();
+		numLimit.Minimum = 50m;
+		numLimit.Maximum = 100000m;
+		numLimit.Value = 1000m;
+		numLimit.Increment = 500m;
+		((Control)numLimit).SetBounds(134, 0, 80, 24);
+		((Control)val8).Controls.Add((Control)(object)numLimit);
+		Label val11 = new Label();
+		((Control)val11).Text = "个(0=全部, 逐次累加续载)";
+		((Control)val11).SetBounds(218, 2, 82, 22);
+		((Control)val11).ForeColor = Color.Gray;
+		((Control)val11).Font = new Font("Microsoft YaHei UI", 7.5f);
+		((Control)val8).Controls.Add((Control)(object)val11);
+		Label val12 = new Label();
+		((Control)val12).Text = "字色";
+		((Control)val12).SetBounds(0, 30, 34, 22);
+		((Control)val8).Controls.Add((Control)(object)val12);
+		lblFg = new Label();
+		((Control)lblFg).BackColor = fgColor;
+		lblFg.BorderStyle = (BorderStyle)1;
+		((Control)lblFg).SetBounds(36, 30, 56, 22);
+		((Control)lblFg).Cursor = Cursors.Hand;
+		((Control)lblFg).Click += delegate
+		{
+			PickColor(fg: true);
+		};
+		((Control)val8).Controls.Add((Control)(object)lblFg);
+		Label val13 = new Label();
+		((Control)val13).Text = "底色";
+		((Control)val13).SetBounds(100, 30, 34, 22);
+		((Control)val8).Controls.Add((Control)(object)val13);
+		lblBg = new Label();
+		((Control)lblBg).BackColor = bgColor;
+		lblBg.BorderStyle = (BorderStyle)1;
+		((Control)lblBg).SetBounds(134, 30, 56, 22);
+		((Control)lblBg).Cursor = Cursors.Hand;
+		((Control)lblBg).Click += delegate
+		{
+			PickColor(fg: false);
+		};
+		((Control)val8).Controls.Add((Control)(object)lblBg);
+		btnRender = new Button();
+		((Control)btnRender).Text = "开始预览";
+		((Control)btnRender).BackColor = UiTheme.Primary;
+		((Control)btnRender).ForeColor = Color.White;
+		((ButtonBase)btnRender).FlatStyle = (FlatStyle)3;
+		((Control)btnRender).SetBounds(10, 544, 110, 32);
+		((Control)btnRender).Click += delegate
+		{
+			StartRender(append: false);
+		};
+		((Control)val2).Controls.Add((Control)(object)btnRender);
+		btnStop = new Button();
+		((Control)btnStop).Text = "停止";
+		((Control)btnStop).Enabled = false;
+		((Control)btnStop).SetBounds(126, 544, 60, 32);
+		((ButtonBase)btnStop).FlatStyle = (FlatStyle)3;
+		((Control)btnStop).Click += delegate
+		{
+			if (worker != null)
+			{
+				worker.Stop();
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)btnStop);
+		btnMore = new Button();
+		((Control)btnMore).Text = "加载更多";
+		((Control)btnMore).Enabled = false;
+		((Control)btnMore).SetBounds(192, 544, 118, 32);
+		((ButtonBase)btnMore).FlatStyle = (FlatStyle)3;
+		((Control)btnMore).Click += delegate
+		{
+			StartRender(append: true);
+		};
+		((Control)val2).Controls.Add((Control)(object)btnMore);
+		prog = new ProgressBar();
+		prog.Minimum = 0;
+		prog.Maximum = 100;
+		((Control)prog).SetBounds(10, 582, 300, 16);
+		((Control)val2).Controls.Add((Control)(object)prog);
+		lblProg = new Label();
+		((Control)lblProg).Text = "";
+		((Control)lblProg).SetBounds(10, 608, 300, 34);
+		((Control)lblProg).ForeColor = UiTheme.SubText;
+		((Control)lblProg).Font = new Font("Microsoft YaHei UI", 8f);
+		((Control)val2).Controls.Add((Control)(object)lblProg);
+		Label val14 = new Label();
+		((Control)val14).Text = "复制目录";
+		((Control)val14).SetBounds(10, 647, 60, 26);
+		((Control)val14).ForeColor = Color.FromArgb(90, 90, 90);
+		((Control)val2).Controls.Add((Control)(object)val14);
+		txtMoveDir = new TextBox();
+		((Control)txtMoveDir).Text = moveDir;
+		((Control)txtMoveDir).SetBounds(72, 647, 150, 26);
+		((Control)txtMoveDir).KeyDown += (KeyEventHandler)delegate(object s, KeyEventArgs e)
+		{
+			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0009: Invalid comparison between Unknown and I4
+			if ((int)e.KeyCode == 13)
+			{
+				MoveInstallBatch();
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)txtMoveDir);
+		Button val15 = new Button();
+		((Control)val15).Text = "浏览…";
+		((Control)val15).SetBounds(226, 646, 84, 28);
+		((Control)val15).Click += delegate
+		{
+			string text = NativeFolderDialog.PickFolder(((Control)this).Handle, "选择复制目标目录", (moveDir.Length > 0) ? moveDir : ((Control)txtPath).Text);
+			if (text != null)
+			{
+				moveDir = text;
+				((Control)txtMoveDir).Text = text;
+				SaveConfig();
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)val15);
+		// 新增：关于按钮
+		Button btnAbout = new Button();
+		((Control)btnAbout).Text = "关于";
+		((Control)btnAbout).SetBounds(10, 688, 96, 28);
+		((Control)btnAbout).Click += delegate
+		{
+			using (AboutDialog dlg = new AboutDialog())
+			{
+				dlg.ShowDialog(this);
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)btnAbout);
+		// 新增：缺字检测
+		Button btnGlyph = new Button();
+		((Control)btnGlyph).Text = "缺字检测";
+		((Control)btnGlyph).SetBounds(110, 688, 96, 28);
+		((Control)btnGlyph).Click += delegate
+		{
+			if (allItems.Count == 0)
+			{
+				MessageBox.Show("请先加载字体目录，再进行缺字检测。");
+				return;
+			}
+			using (GlyphCoverageDialog dlg = new GlyphCoverageDialog(allItems))
+			{
+				dlg.ShowDialog(this);
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)btnGlyph);
+		// 新增：字体并排对比
+		Button btnCompare = new Button();
+		((Control)btnCompare).Text = "字体对比";
+		((Control)btnCompare).SetBounds(210, 688, 100, 28);
+		((Control)btnCompare).Click += delegate
+		{
+			if (compareList.Count < 2)
+			{
+				MessageBox.Show("请先在预览卡片上右键 →「加入对比列表」选好至少两个字体，再点「字体对比」。", "字体对比");
+				return;
+			}
+			using (CompareDialog dlg = new CompareDialog(new List<FontItem>(compareList), true, MoveInstallOne))
+			{
+				dlg.ShowDialog(this);
+			}
+		};
+		((Control)val2).Controls.Add((Control)(object)btnCompare);
+		rightPanel = new Panel();
+		((Control)rightPanel).Dock = (DockStyle)5;
+		((Control)rightPanel).SetBounds(0, 0, 100, 100);
+		val.Controls.Add((Control)(object)rightPanel, 1, 0);
+		flow = new FlowLayoutPanel();
+		((Control)flow).Dock = (DockStyle)5;
+		((ScrollableControl)flow).AutoScroll = true;
+		flow.WrapContents = true;
+		((Control)flow).BackColor = Color.FromArgb(242, 244, 247);
+		((Control)flow).Padding = new Padding(16, 14, 16, 18);
+		((Control)flow).Resize += delegate
+		{
+			//IL_001a: Unknown result type (might be due to invalid IL or missing references)
+			//IL_001f: Unknown result type (might be due to invalid IL or missing references)
+			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0064: Expected O, but got Unknown
+			int width = ((Control)flow).ClientSize.Width;
+			Padding padding = ((Control)flow).Padding;
+			int num = width - padding.Horizontal - 8;
+			if (num < 300)
+			{
+				num = 300;
+			}
+			foreach (Control item in (ArrangedElementCollection)((Control)flow).Controls)
+			{
+				Control val16 = item;
+				val16.Width = num;
+			}
+		};
+		((Control)rightPanel).Controls.Add((Control)(object)flow);
+	}
+
+	private void PickColor(bool fg)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0007: Expected O, but got Unknown
+		//IL_0022: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0028: Invalid comparison between Unknown and I4
+		ColorDialog val = new ColorDialog();
+		val.Color = (fg ? fgColor : bgColor);
+		if ((int)((CommonDialog)val).ShowDialog((IWin32Window)(object)this) == 1)
+		{
+			if (fg)
+			{
+				fgColor = val.Color;
+				((Control)lblFg).BackColor = fgColor;
+			}
+			else
+			{
+				bgColor = val.Color;
+				((Control)lblBg).BackColor = bgColor;
+			}
+		}
+	}
+
+	private void ChooseDir()
+	{
+		string text = NativeFolderDialog.PickFolder(((Control)this).Handle, "选择字体所在目录（会按子目录作为分类）", rootDir);
+		if (text != null)
+		{
+			rootDir = text;
+			((Control)txtPath).Text = rootDir;
+			ScanDir();
+		}
+	}
+
+	private void ApplyPath()
+	{
+		//IL_0042: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01d8: Unknown result type (might be due to invalid IL or missing references)
+		string text = ((Control)txtPath).Text.Trim().Trim(new char[1] { '"' });
+		if (text.Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请输入路径", "提示");
+			return;
+		}
+		if (text.Length == 2 && text[1] == ':')
+		{
+			text += "\\";
+		}
+		string text2 = DiagnosePath(text);
+		if (text2 != null)
+		{
+			string text3 = DriveToUnc(text);
+			if (text3 != null && text3 != text && DiagnosePath(text3) == null)
+			{
+				rootDir = text3;
+				((Control)txtPath).Text = text3;
+				ScanDir();
+				return;
+			}
+			if (TryReconnect(text))
+			{
+				text2 = DiagnosePath(text);
+				if (text2 == null)
+				{
+					rootDir = text;
+					ScanDir();
+					return;
+				}
+			}
+			if (text3 != null && DiagnosePath(text3) == null)
+			{
+				rootDir = text3;
+				((Control)txtPath).Text = text3;
+				ScanDir();
+				return;
+			}
+			if (ConnectWithAuth(text))
+			{
+				text2 = DiagnosePath(text);
+				if (text2 == null)
+				{
+					rootDir = text;
+					ScanDir();
+					return;
+				}
+			}
+			MessageBox.Show((IWin32Window)(object)this, "路径无法访问：" + text + "\r\n\r\n诊断结果：\r\n" + text2 + "\r\n\r\n排查建议：\r\n- 若提示“驱动器未映射/离线”：在资源管理器中双击 Z 盘确认能否打开；\r\n- 若 NAS 不可达：确认服务器在线、网络已连接；\r\n- 也可尝试手动执行：net use " + (GetShareTarget(text) ?? text) + " /user:用户名 密码", "提示", (MessageBoxButtons)0, (MessageBoxIcon)48);
+		}
+		else
+		{
+			rootDir = text;
+			ScanDir();
+		}
+	}
+
+	internal static string DriveToUnc(string path)
+	{
+		if (path.Length < 2 || path[1] != ':')
+		{
+			return null;
+		}
+		string shareTarget = GetShareTarget(path);
+		if (string.IsNullOrEmpty(shareTarget))
+		{
+			return null;
+		}
+		string text = path.Substring(2);
+		return shareTarget + text;
+	}
+
+	private bool ConnectWithAuth(string path)
+	{
+		//IL_0318: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0024: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002a: Expected O, but got Unknown
+		//IL_006c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0072: Expected O, but got Unknown
+		//IL_00a2: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a8: Expected O, but got Unknown
+		//IL_00c5: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00cf: Expected O, but got Unknown
+		//IL_00f8: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0102: Expected O, but got Unknown
+		//IL_0103: Unknown result type (might be due to invalid IL or missing references)
+		//IL_010a: Expected O, but got Unknown
+		//IL_0127: Unknown result type (might be due to invalid IL or missing references)
+		//IL_012e: Expected O, but got Unknown
+		//IL_014d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0157: Expected O, but got Unknown
+		//IL_0161: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0168: Expected O, but got Unknown
+		//IL_0191: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0198: Expected O, but got Unknown
+		//IL_0325: Unknown result type (might be due to invalid IL or missing references)
+		//IL_032b: Invalid comparison between Unknown and I4
+		//IL_02f2: Unknown result type (might be due to invalid IL or missing references)
+		string shareTarget = GetShareTarget(path);
+		if (shareTarget == null)
+		{
+			return false;
+		}
+		Form val = new Form();
+		((Control)val).Text = "连接网络共享";
+		val.FormBorderStyle = (FormBorderStyle)3;
+		val.MaximizeBox = false;
+		val.MinimizeBox = false;
+		val.StartPosition = (FormStartPosition)4;
+		val.ClientSize = new Size(360, 168);
+		Label val2 = new Label();
+		((Control)val2).Text = "共享：" + shareTarget;
+		((Control)val2).ForeColor = Color.DimGray;
+		((Control)val2).SetBounds(14, 12, 332, 22);
+		Label val3 = new Label();
+		((Control)val3).Text = "用户名:";
+		((Control)val3).SetBounds(14, 42, 64, 24);
+		TextBox tUser = new TextBox();
+		((Control)tUser).SetBounds(82, 40, 262, 24);
+		((Control)tUser).Font = new Font("Microsoft YaHei UI", 9f);
+		Label val4 = new Label();
+		((Control)val4).Text = "密码:";
+		((Control)val4).SetBounds(14, 72, 64, 24);
+		TextBox val5 = new TextBox();
+		((Control)val5).SetBounds(82, 70, 262, 24);
+		((Control)val5).Font = new Font("Microsoft YaHei UI", 9f);
+		val5.UseSystemPasswordChar = true;
+		Button val6 = new Button();
+		((Control)val6).Text = "连接";
+		val6.DialogResult = (DialogResult)1;
+		((Control)val6).SetBounds(196, 108, 70, 30);
+		Button val7 = new Button();
+		((Control)val7).Text = "取消";
+		val7.DialogResult = (DialogResult)2;
+		((Control)val7).SetBounds(274, 108, 70, 30);
+		((Control)val).Controls.AddRange((Control[])(object)new Control[7]
+		{
+			(Control)val2,
+			(Control)val3,
+			(Control)tUser,
+			(Control)val4,
+			(Control)val5,
+			(Control)val6,
+			(Control)val7
+		});
+		val.AcceptButton = (IButtonControl)(object)val6;
+		val.CancelButton = (IButtonControl)(object)val7;
+		val.Shown += delegate
+		{
+			((Control)tUser).Focus();
+		};
+		while ((int)val.ShowDialog((IWin32Window)(object)this) == 1)
+		{
+			string text = ((Control)tUser).Text.Trim();
+			string text2 = ((Control)val5).Text;
+			try
+			{
+				NETRESOURCE netResource = default(NETRESOURCE);
+				netResource.dwType = 1;
+				netResource.lpRemoteName = shareTarget;
+				int num = NetApi.WNetAddConnection2(ref netResource, text2, (text.Length == 0) ? null : text, 1);
+				if (num == 1219)
+				{
+					NetApi.WNetCancelConnection2(shareTarget, 0, force: true);
+					num = NetApi.WNetAddConnection2(ref netResource, text2, (text.Length == 0) ? null : text, 1);
+				}
+				if (num == 0)
+				{
+					((Component)(object)val).Dispose();
+					return true;
+				}
+				MessageBox.Show((IWin32Window)(object)this, "连接失败，错误码 " + num + "。\r\n请检查 NAS 用户名/密码是否正确。", "提示", (MessageBoxButtons)0, (MessageBoxIcon)48);
+			}
+			catch (Exception ex)
+			{
+				MessageBox.Show((IWin32Window)(object)this, "连接出错：" + ex.Message, "提示", (MessageBoxButtons)0, (MessageBoxIcon)48);
+			}
+		}
+		((Component)(object)val).Dispose();
+		return false;
+	}
+
+	internal static string GetShareTarget(string path)
+	{
+		if (path.StartsWith("\\\\", StringComparison.Ordinal))
+		{
+			string[] array = path.TrimStart(new char[1] { '\\' }).Split(new char[1] { '\\' });
+			if (array.Length >= 2)
+			{
+				return "\\\\" + array[0] + "\\" + array[1];
+			}
+			return null;
+		}
+		if (path.Length >= 2 && path[1] == ':')
+		{
+			string text = path.Substring(0, 1);
+			try
+			{
+				using RegistryKey registryKey = Registry.CurrentUser.OpenSubKey("Network\\" + text);
+				if (registryKey != null)
+				{
+					object value = registryKey.GetValue("RemotePath");
+					if (value != null)
+					{
+						return value.ToString();
+					}
+				}
+			}
+			catch
+			{
+			}
+		}
+		return null;
+	}
+
+	internal static bool TryReconnect(string path)
+	{
+		string shareTarget = GetShareTarget(path);
+		if (shareTarget == null)
+		{
+			return false;
+		}
+		try
+		{
+			NETRESOURCE netResource = default(NETRESOURCE);
+			netResource.dwType = 1;
+			netResource.lpRemoteName = shareTarget;
+			int num = NetApi.WNetAddConnection2(ref netResource, null, null, 1);
+			return num == 0;
+		}
+		catch
+		{
+			return false;
+		}
+	}
+
+	internal static string DiagnosePath(string path)
+	{
+		string text = ((path.Length >= 2 && path[1] == ':') ? path.Substring(0, 2) : null);
+		if (text != null)
+		{
+			bool flag = false;
+			string[] logicalDrives = Environment.GetLogicalDrives();
+			foreach (string a in logicalDrives)
+			{
+				if (string.Equals(a, text + "\\", StringComparison.OrdinalIgnoreCase))
+				{
+					flag = true;
+					break;
+				}
+			}
+			if (!flag)
+			{
+				return "当前进程无法看到驱动器 " + text + "。\r\n映射盘是“按用户会话”生效的，若本工具由后台/提权进程启动，可能看不到图形界面里已映射的盘。\r\n此时请改用 UNC 路径（见下方建议）。";
+			}
+		}
+		try
+		{
+			DirectoryInfo directoryInfo = new DirectoryInfo(path);
+			directoryInfo.GetDirectories();
+			return null;
+		}
+		catch (DirectoryNotFoundException)
+		{
+			return "目录不存在：" + path;
+		}
+		catch (UnauthorizedAccessException)
+		{
+			return "拒绝访问（当前身份无权限，或网络共享要求重新登录凭据）";
+		}
+		catch (IOException ex3)
+		{
+			return "IO/网络错误：" + ex3.Message + "\r\n——通常是网络路径不可达（NAS 离线/断网）导致。";
+		}
+		catch (Exception ex4)
+		{
+			return ex4.Message;
+		}
+	}
+
+	private void ScanDir()
+	{
+		if (isScanning)
+		{
+			return;
+		}
+		isScanning = true;
+		categories.Clear();
+		allItems.Clear();
+		pathIndex.Clear();
+		catBox.Nodes.Clear();
+		nodeIndex.Clear();
+		((Control)flow).Controls.Clear();
+		renderedPics.Clear();
+		cache.Clear();
+
+		string scanRoot = rootDir;
+		HashSet<string> exts = new HashSet<string>(StringComparer.OrdinalIgnoreCase) { ".ttf", ".otf", ".ttc", ".ote" };
+
+		// 1) 先尝试读缓存，立即填充界面（秒显）
+		FontCache cached;
+		bool hasCache = FontCache.TryLoad(scanRoot, out cached);
+		if (hasCache)
+		{
+			foreach (FontItem it in cached.Items)
+			{
+				allItems.Add(it);
+				pathIndex[it.Path] = it;
+				string key = string.IsNullOrEmpty(it.Cat) ? "(未分类)" : it.Cat;
+				List<FontItem> lst;
+				if (!categories.TryGetValue(key, out lst)) { lst = new List<FontItem>(); categories[key] = lst; }
+				lst.Add(it);
+			}
+			FillTreeFromCategories();
+			((Control)lblStat).Text = cached.Items.Count + " 个字体（缓存），后台校验中…";
+			((Control)lblProg).Text = "";
+		}
+		else
+		{
+			((Control)lblStat).Text = "正在扫描字体目录…";
+			((Control)lblProg).Text = "";
+		}
+
+		// 2) 后台递归遍历：每扫完一个目录就回 UI 更新该节点计数，进度可见
+		System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(delegate
+		{
+			string fail = null;
+			Dictionary<string, FontItem> cachedByPath = null;
+			if (hasCache)
+			{
+				cachedByPath = new Dictionary<string, FontItem>(StringComparer.OrdinalIgnoreCase);
+				foreach (FontItem it in cached.Items) { cachedByPath[it.Path] = it; }
+			}
+			Dictionary<string, FontCache.Stamp> bgStamps = new Dictionary<string, FontCache.Stamp>(StringComparer.OrdinalIgnoreCase);
+			bool[] firstBatch = new bool[1] { true };
+
+			// 生产者-消费者：一个线程快速遍历目录把文件路径入队，N 个线程同时取文件解析，I/O 等待重叠
+			Queue<object[]> q = new Queue<object[]>();
+			object qlock = new object();
+			bool[] producerDone = new bool[1] { false };
+			object stampsLock = new object();
+			int progressTotal = 0;
+
+			Action<string, string> walk = null;
+			walk = delegate (string dir, string rel)
+			{
+				try
+				{
+					string[] files = Directory.GetFiles(dir);
+					// 批量入队，减少锁竞争；文件信息延迟到消费线程并行读取
+					lock (qlock)
+					{
+						foreach (string f in files)
+						{
+							if (!exts.Contains(Path.GetExtension(f))) continue;
+							q.Enqueue(new object[] { f, rel });
+						}
+					}
+				}
+				catch { }
+				try
+				{
+					string[] dirs = Directory.GetDirectories(dir);
+					foreach (string d in dirs)
+					{
+						string sub = (rel.Length == 0) ? Path.GetFileName(d) : (rel + "\\" + Path.GetFileName(d));
+						walk(d, sub);
+					}
+				}
+				catch { }
+			};
+
+			Action consume = delegate
+			{
+				List<FontItem> localBatch = new List<FontItem>();
+				while (true)
+				{
+					object[] job = null;
+					lock (qlock)
+					{
+						if (q.Count > 0) job = q.Dequeue();
+						else if (producerDone[0]) { FlushBatch(localBatch, ref progressTotal, firstBatch); return; }
+						else { System.Threading.Thread.Sleep(1); continue; }
+					}
+					string f = (string)job[0];
+					string rel = (string)job[1];
+					// 文件信息并行读取（NAS 上并行 stat 比串行快）
+					long size = 0;
+					long mtime = 0;
+					try { FileInfo fi = new FileInfo(f); size = fi.Length; mtime = fi.LastWriteTime.Ticks; } catch { }
+					FontItem reuse = null;
+					if (cachedByPath != null)
+					{
+						FontItem ci;
+						FontCache.Stamp cs;
+						if (cachedByPath.TryGetValue(f, out ci) &&
+							cached.Stamps.TryGetValue(f, out cs) &&
+							cs.Size == size && cs.Mtime == mtime)
+						{
+							reuse = ci;
+						}
+					}
+					FontItem it = reuse ?? new FontItem
+					{
+						Path = f,
+						Name = Path.GetFileName(f),
+						DisplayName = FontNameParser.GetDisplayName(f, Path.GetFileName(f)),
+						Cat = rel
+					};
+					lock (stampsLock)
+					{
+						bgStamps[f] = new FontCache.Stamp { Size = size, Mtime = mtime };
+					}
+					localBatch.Add(it);
+					if (localBatch.Count >= 8)
+					{
+						List<FontItem> flush = localBatch;
+						localBatch = new List<FontItem>();
+						FlushBatch(flush, ref progressTotal, firstBatch);
+					}
+				}
+			};
+
+
+			int nw = Math.Max(2, Environment.ProcessorCount);
+			List<System.Threading.Thread> workers = new List<System.Threading.Thread>();
+			for (int w = 0; w < nw; w++)
+			{
+				System.Threading.Thread pt = new System.Threading.Thread(new System.Threading.ThreadStart(consume));
+				pt.IsBackground = true;
+				pt.Start();
+				workers.Add(pt);
+			}
+			try { walk(scanRoot, ""); }
+			catch (Exception ex2) { fail = ex2.Message; }
+			producerDone[0] = true;
+			foreach (System.Threading.Thread pt in workers) pt.Join();
+
+			BeginInvoke(new MethodInvoker(delegate
+			{
+				isScanning = false;
+				if (fail != null)
+				{
+					((Control)lblStat).Text = "读取目录失败";
+					MessageBox.Show((IWin32Window)(object)this, "读取目录失败：" + fail, "提示", (MessageBoxButtons)0, (MessageBoxIcon)48);
+					return;
+				}
+				FillTreeFromCategories();
+				((Control)lblStat).Text = allItems.Count + " 个字体 / " + categories.Count + " 个分类";
+				((Control)lblProg).Text = "目录已加载，可开始预览";
+				SaveConfig();
+				FontCache.Save(new FontCache { RootDir = scanRoot, Items = allItems, Stamps = bgStamps });
+			}));
+		}));
+		t.IsBackground = true;
+		t.SetApartmentState(System.Threading.ApartmentState.STA);
+		t.Start();
+	}
+
+	private class DiskEntry
+	{
+		public string Path;
+		public string Rel;
+		public long Size;
+		public long Mtime;
+	}
+
+	private List<DiskEntry> WalkDisk(string dir, string rel, HashSet<string> exts)
+	{
+		List<DiskEntry> result = new List<DiskEntry>();
+		try
+		{
+			string[] files = Directory.GetFiles(dir);
+			foreach (string f in files)
+			{
+				if (exts.Contains(Path.GetExtension(f)))
+				{
+					FileInfo fi = new FileInfo(f);
+					result.Add(new DiskEntry { Path = f, Rel = rel, Size = fi.Length, Mtime = fi.LastWriteTime.Ticks });
+				}
+			}
+			string[] dirs = Directory.GetDirectories(dir);
+			foreach (string d in dirs)
+			{
+				string sub = (rel.Length == 0) ? Path.GetFileName(d) : (rel + "\\" + Path.GetFileName(d));
+				result.AddRange(WalkDisk(d, sub, exts));
+			}
+		}
+		catch { }
+		return result;
+	}
+
+	private void FlushBatch(List<FontItem> flush, ref int progressTotal, bool[] firstBatch)
+	{
+		int total = System.Threading.Interlocked.Add(ref progressTotal, flush.Count);
+		BeginInvoke(new MethodInvoker(delegate
+		{
+			if (firstBatch[0])
+			{
+				categories.Clear();
+				allItems.Clear();
+				pathIndex.Clear();
+				catBox.Nodes.Clear();
+		nodeIndex.Clear();
+				firstBatch[0] = false;
+			}
+			HashSet<string> touched = new HashSet<string>(StringComparer.Ordinal);
+			foreach (FontItem fi in flush)
+			{
+				string key = string.IsNullOrEmpty(fi.Cat) ? "(未分类)" : fi.Cat;
+				List<FontItem> lst;
+				if (!categories.TryGetValue(key, out lst)) { lst = new List<FontItem>(); categories[key] = lst; }
+				lst.Add(fi);
+				allItems.Add(fi);
+				pathIndex[fi.Path] = fi;
+				touched.Add(key);
+			}
+			foreach (string key in touched)
+			{
+				List<FontItem> lst;
+				if (categories.TryGetValue(key, out lst))
+				{
+					InsertCatNode(key, lst.Count);
+				}
+			}
+			((Control)lblStat).Text = "正在扫描… 已 " + total + " 个字体";
+		}));
+	}
+
+	private void FillTreeFromCategories()
+	{
+		int num = 0;
+		List<string> list = new List<string>(categories.Keys);
+		list.Sort((string a, string b) => categories[b].Count.CompareTo(categories[a].Count));
+		catBox.Nodes.Clear();
+		nodeIndex.Clear();
+		foreach (string item in list)
+		{
+			int count = categories[item].Count;
+			num += count;
+			InsertCatNode(item, count);
+		}
+		InsertTagNodes();
+		catBox.CollapseAll();
+	}
+
+	private void AddDirCategory(string dir, string rel, HashSet<string> exts)
+	{
+		try
+		{
+			List<FontItem> list = null;
+			string[] files = Directory.GetFiles(dir);
+			foreach (string text in files)
+			{
+				if (exts.Contains(Path.GetExtension(text)))
+				{
+					if (list == null)
+					{
+						list = new List<FontItem>();
+					}
+					string displayName = FontNameParser.GetDisplayName(text, Path.GetFileName(text));
+					list.Add(new FontItem
+					{
+						Path = text,
+						Name = Path.GetFileName(text),
+						DisplayName = displayName,
+						Cat = rel
+					});
+				}
+			}
+			if (list != null)
+			{
+				string key = ((rel.Length == 0) ? "(未分类)" : rel);
+				categories[key] = list;
+				foreach (FontItem item in list)
+				{
+					allItems.Add(item);
+					pathIndex[item.Path] = item;
+				}
+			}
+			files = Directory.GetDirectories(dir);
+			foreach (string text2 in files)
+			{
+				string rel2 = ((rel.Length == 0) ? Path.GetFileName(text2) : (rel + "\\" + Path.GetFileName(text2)));
+				AddDirCategory(text2, rel2, exts);
+			}
+		}
+		catch
+		{
+		}
+	}
+
+	private void InsertCatNode(string key, int count)
+	{
+		//IL_006f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0076: Expected O, but got Unknown
+		//IL_00e6: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ed: Expected O, but got Unknown
+		string[] array = key.Split(new char[1] { '\\' });
+		TreeNode val = null;
+		string text = "";
+		for (int i = 0; i < array.Length; i++)
+		{
+			text = ((i == 0) ? array[i] : (text + "\\" + array[i]));
+			TreeNodeCollection val2 = ((val == null) ? catBox.Nodes : val.Nodes);
+			TreeNode val3 = null;
+			// 用字典 O(1) 查找节点，避免遍历子节点集合
+			if (!nodeIndex.TryGetValue(text, out val3))
+			{
+				val3 = new TreeNode(array[i]);
+				val3.Tag = text;
+				val2.Add(val3);
+				nodeIndex[text] = val3;
+			}
+			if (i == array.Length - 1)
+			{
+				val3.Text = array[i] + "  (" + count + ")";
+			}
+			val = val3;
+		}
+	}
+
+	private void SetNodeChecked(TreeNode n, bool check)
+	{
+		//IL_001e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0024: Expected O, but got Unknown
+		n.Checked = check;
+		foreach (TreeNode node in n.Nodes)
+		{
+			TreeNode n2 = node;
+			SetNodeChecked(n2, check);
+		}
+	}
+
+	private void CollectChecked(TreeNodeCollection coll, List<FontItem> items)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001c: Expected O, but got Unknown
+		foreach (TreeNode item in coll)
+		{
+			TreeNode val = item;
+			if (val.Checked && val.Tag != null)
+			{
+				string text = (string)val.Tag;
+				FontItem value2;
+				List<FontItem> value3;
+				if (text.StartsWith("TAG:", StringComparison.Ordinal))
+				{
+					string key = text.Substring("TAG:".Length);
+					if (tags.TryGetValue(key, out var value))
+					{
+						foreach (string item2 in value)
+						{
+							if (pathIndex.TryGetValue(item2, out value2) && !items.Contains(value2))
+							{
+								items.Add(value2);
+							}
+						}
+					}
+				}
+				else if (categories.TryGetValue(text, out value3))
+				{
+					foreach (FontItem item3 in value3)
+					{
+						value2 = item3;
+						if (!items.Contains(value2))
+						{
+							items.Add(value2);
+						}
+					}
+				}
+			}
+			CollectChecked(val.Nodes, items);
+		}
+	}
+
+	private void StartRender(bool append)
+	{
+		//IL_004c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_008e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00c8: Unknown result type (might be due to invalid IL or missing references)
+		//IL_010a: Unknown result type (might be due to invalid IL or missing references)
+		if (!append && worker != null && worker.IsRunning())
+		{
+			return;
+		}
+		if (rootDir.Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先选择字体目录", "提示");
+			return;
+		}
+		string kw = ((Control)txtSearch).Text.Trim();
+		List<FontItem> list = new List<FontItem>();
+		// 搜索框非空时跳过分类勾选检查
+		if (kw.Length == 0)
+		{
+			CollectChecked(catBox.Nodes, list);
+			if (list.Count == 0)
+			{
+				MessageBox.Show((IWin32Window)(object)this, "请至少选择一个分类", "提示");
+				return;
+			}
+		}
+		string text = ((Control)txtInput).Text;
+		if (text.Trim().Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先输入预览文字", "提示");
+			return;
+		}
+		List<FontItem> list2 = new List<FontItem>();
+		if (kw.Length > 0)
+		{
+			foreach (FontItem it in allItems)
+			{
+				if ((it.DisplayName != null && it.DisplayName.IndexOf(kw, StringComparison.OrdinalIgnoreCase) >= 0)
+					|| it.Name.IndexOf(kw, StringComparison.OrdinalIgnoreCase) >= 0)
+				{
+					list2.Add(it);
+				}
+			}
+		}
+		else
+		{
+			CollectChecked(catBox.Nodes, list2);
+		}
+		if (list2.Count == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "所选分类没有字体" + ((kw.Length > 0) ? "（搜索「" + kw + "」无匹配）" : ""), "提示");
+			return;
+		}
+		int num = (int)numLimit.Value;
+		int num2 = ((num <= 0) ? list2.Count : Math.Min(num, list2.Count));
+		if (append)
+		{
+			num2 = list2.Count;
+		}
+		int num3 = fgColor.ToArgb();
+		int num4 = bgColor.ToArgb();
+		string text2 = text + "|" + numSize.Value + "|" + num3 + "|" + num4;
+		if (text2 != renderHash)
+		{
+			cache.Clear();
+			renderHash = text2;
+		}
+		if (worker == null || !worker.IsRunning())
+		{
+			if (!append)
+			{
+				((Control)flow).Controls.Clear();
+				renderedPics.Clear();
+			}
+			worker = new Worker(this, list2, num2, text, (int)numSize.Value, fgColor, bgColor, cache);
+			((Control)btnRender).Enabled = false;
+			((Control)btnStop).Enabled = true;
+			((Control)btnMore).Enabled = false;
+			prog.Value = 0;
+			((Control)lblProg).Text = "正在渲染 0 / " + num2 + " ...";
+			worker.Completed += OnWorkerCompleted;
+			worker.Start();
+		}
+	}
+
+	private void OnWorkerCompleted(bool cancelled, int done, int failed, int remain, List<Worker.CardData> cards)
+	{
+		//IL_0117: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0121: Expected O, but got Unknown
+		((Control)btnRender).Enabled = true;
+		((Control)btnStop).Enabled = false;
+		if (remain > 0)
+		{
+			((Control)btnMore).Enabled = true;
+			((Control)lblProg).Text = "已渲染 " + done + "，失败 " + failed + "，还有 " + remain + " 个未渲染。点「继续加载更多」接着渲染剩余。";
+		}
+		else
+		{
+			((Control)btnMore).Enabled = false;
+			((Control)lblProg).Text = "渲染完成：" + done + "（失败 " + failed + "）";
+		}
+		if (cards == null)
+		{
+			return;
+		}
+		int idx = 0;
+		Timer t = new Timer();
+		t.Interval = 20;
+		t.Tick += delegate
+		{
+			int num = Math.Min(60, cards.Count - idx);
+			for (int i = 0; i < num; i++)
+			{
+				AddCard(cards[idx + i]);
+			}
+			idx += num;
+			if (idx >= cards.Count)
+			{
+				t.Stop();
+				((Component)(object)t).Dispose();
+			}
+		};
+		t.Start();
+	}
+
+	private void AddCard(Worker.CardData data)
+	{
+		//IL_003a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_003f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00c5: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00f3: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00fa: Expected O, but got Unknown
+		//IL_0101: Unknown result type (might be due to invalid IL or missing references)
+		//IL_010b: Expected O, but got Unknown
+		//IL_013e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0145: Expected O, but got Unknown
+		//IL_016e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0175: Expected O, but got Unknown
+		//IL_01db: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01e2: Expected O, but got Unknown
+		//IL_020f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0216: Expected O, but got Unknown
+		//IL_027e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0288: Expected O, but got Unknown
+		//IL_03ac: Unknown result type (might be due to invalid IL or missing references)
+		//IL_03b3: Expected O, but got Unknown
+		//IL_02f8: Unknown result type (might be due to invalid IL or missing references)
+		//IL_02ff: Expected O, but got Unknown
+		int width = ((Control)flow).ClientSize.Width;
+		Padding padding = ((Control)flow).Padding;
+		int num = Math.Max(300, width - padding.Horizontal - 8);
+		int num2 = 0;
+		int num3 = 0;
+		if (data.Bitmap != null)
+		{
+			num3 = ((Image)data.Bitmap).Width;
+			num2 = ((Image)data.Bitmap).Height;
+			num = Math.Max(num, num3 + 36);
+		}
+		RoundPanel roundPanel = UiTheme.CreateCard(num, Math.Max(50, 44 + num2 + 6));
+		((Control)roundPanel).Margin = new Padding(16, 0, 16, 12);
+		num = ((Control)roundPanel).Width;
+		string curPath = data.Path ?? "";
+		ContextMenuStrip val = new ContextMenuStrip();
+		ToolStripMenuItem miCmp = new ToolStripMenuItem("加入对比列表");
+		((ToolStripItem)miCmp).Click += delegate
+		{
+			FontItem fi;
+			if (string.IsNullOrEmpty(curPath) || !pathIndex.TryGetValue(curPath, out fi))
+			{
+				((Control)lblProg).Text = "找不到该字体。";
+				return;
+			}
+			bool exists = false;
+			foreach (FontItem ex in compareList) { if (string.Equals(ex.Path, curPath, StringComparison.OrdinalIgnoreCase)) { exists = true; break; } }
+			if (exists)
+			{
+				((Control)lblProg).Text = "已在对比列表中（当前 " + compareList.Count + " 个）";
+			}
+			else
+			{
+				compareList.Add(fi);
+				((Control)lblProg).Text = "已加入对比列表（当前 " + compareList.Count + " 个）";
+			}
+		};
+		((ToolStrip)val).Items.Add((ToolStripItem)(object)miCmp);
+		val.Opening += delegate { miCmp.Text = "加入对比列表（当前 " + compareList.Count + " 个）"; };
+
+		ToolStripMenuItem val3 = new ToolStripMenuItem("以快捷方式安装（复制到左侧目录）");
+		((ToolStripItem)val3).Click += delegate
+		{
+			MoveInstallOne(curPath);
+		};
+		if (string.IsNullOrEmpty(curPath) || !File.Exists(DriveToUnc(curPath) ?? curPath))
+		{
+			((ToolStripItem)val3).Enabled = false;
+		}
+		((ToolStrip)val).Items.Add((ToolStripItem)(object)val3);
+
+		ToolStripMenuItem miCmpClear = new ToolStripMenuItem("清空对比列表");
+		((ToolStripItem)miCmpClear).Click += delegate
+		{
+			compareList.Clear();
+			((Control)lblProg).Text = "对比列表已清空。";
+		};
+		((ToolStrip)val).Items.Add((ToolStripItem)(object)miCmpClear);
+		((Control)roundPanel).ContextMenuStrip = val;
+		// 左侧强调色竖条 + 字体名标签 + 预览图，统一走 UiTheme 工厂
+		((Control)roundPanel).Controls.Add(UiTheme.CreateAccentBar(14, 16));
+		string text = (string.IsNullOrEmpty(data.DisplayName) ? data.Name : data.DisplayName);
+		Label val5 = UiTheme.CreateCardTitle(text, 26, 12, ((Control)roundPanel).Width - 44);
+		((Control)val5).Click += delegate
+		{
+			CopyName(data.Name);
+		};
+		((Control)val5).ContextMenuStrip = val;
+		((Control)roundPanel).Controls.Add((Control)(object)val5);
+		if (data.Bitmap != null)
+		{
+			PictureBox val6 = UiTheme.CreatePreviewBox(18, 46, num3, num2);
+			val6.Image = (Image)(object)data.Bitmap;
+			((Control)val6).Click += delegate
+			{
+				CopyName(data.Name);
+				FontItem fi;
+				if (!string.IsNullOrEmpty(curPath) && pathIndex.TryGetValue(curPath, out fi))
+				{
+					curPreviewItem = fi;
+					curPreviewPic = val6;
+				}
+			};
+			((Control)val6).ContextMenuStrip = val;
+			((Control)roundPanel).Controls.Add((Control)(object)val6);
+			FontItem fiTrack;
+			if (!string.IsNullOrEmpty(curPath) && pathIndex.TryGetValue(curPath, out fiTrack))
+			{
+				renderedPics.Add(new KeyValuePair<FontItem, PictureBox>(fiTrack, val6));
+			}
+		}
+		else
+		{
+			((Control)roundPanel).BackColor = Color.FromArgb(247, 248, 250);
+			Label val7 = new Label();
+			((Control)val7).Text = "加载失败";
+			((Control)val7).ForeColor = Color.Gray;
+			((Control)val7).SetBounds(24, 64, 140, 20);
+			((Control)roundPanel).Controls.Add((Control)(object)val7);
+		}
+		((Control)flow).Controls.Add((Control)(object)roundPanel);
+	}
+
+	private void RerenderCurrent()
+	{
+		if (renderedPics.Count == 0) return;
+		try
+		{
+			string sample = (txtInput != null && !string.IsNullOrEmpty(txtInput.Text)) ? txtInput.Text : "永字八法 横平竖直 你好世界 ABC 0123";
+			int sz = (int)numSize.Value;
+			foreach (var kv in renderedPics)
+			{
+				if (kv.Value.IsDisposed) continue;
+				bool failed;
+				Bitmap bmp = Worker.RenderFont(kv.Key.Path, kv.Key.Name, sample, sz, Color.Black, Color.White, out failed);
+				if (bmp != null)
+				{
+					Bitmap old = (Bitmap)kv.Value.Image;
+					kv.Value.Image = bmp;
+					kv.Value.Size = bmp.Size;
+					if (old != null) old.Dispose();
+				}
+			}
+		}
+		catch { }
+	}
+
+	private void CopyName(string name)
+	{
+		try
+		{
+			Clipboard.SetText(name);
+			((Control)lblProg).Text = "已复制： " + name;
+		}
+		catch (Exception ex)
+		{
+			((Control)lblProg).Text = "复制失败：" + ex.Message;
+		}
+	}
+
+	private void RestoreLastDir()
+	{
+		try
+		{
+			if (!File.Exists(CfgFile))
+			{
+				return;
+			}
+			string[] array = File.ReadAllLines(CfgFile);
+			if (array.Length == 0)
+			{
+				return;
+			}
+			if (array.Length > 1 && !string.IsNullOrEmpty(array[1].Trim()))
+			{
+				string text = array[1].Trim();
+				if (text.Length == 2 && text[1] == ':')
+				{
+					text += "\\";
+				}
+				moveDir = text;
+				if (txtMoveDir != null)
+				{
+					((Control)txtMoveDir).Text = text;
+				}
+			}
+			string text2 = (array[0] ?? "").Trim();
+			if (text2.Length == 0)
+			{
+				return;
+			}
+			if (text2.Length == 2 && text2[1] == ':')
+			{
+				text2 += "\\";
+			}
+			string text3 = text2;
+			string text4 = DiagnosePath(text3);
+			if (text4 != null)
+			{
+				string text5 = DriveToUnc(text3);
+				if (text5 != null)
+				{
+					// 盘符在当前 token 不可见（典型：管理员模式下看不到普通用户映射的网络盘）。
+					// 改用 UNC 路径访问，先尝试连接共享，再交给后台扫描；单次探测失败不直接判死。
+					TryReconnect(text5);
+					text3 = text5;
+				}
+				else
+				{
+					((Control)lblStat).Text = "上次目录不可用（已忽略）：" + text2;
+					return;
+				}
+			}
+			rootDir = text3;
+			((Control)txtPath).Text = text3;
+			ScanDir();
+		}
+		catch
+		{
+		}
+	}
+
+	private void SaveConfig()
+	{
+		try
+		{
+			AtomicWrite(CfgFile, rootDir + "\r\n" + moveDir);
+		}
+		catch
+		{
+		}
+	}
+
+	private void LoadTags()
+	{
+		tags.Clear();
+		try
+		{
+			if (!File.Exists(TagFile))
+			{
+				return;
+			}
+			string[] array = File.ReadAllLines(TagFile);
+			foreach (string text in array)
+			{
+				if (string.IsNullOrEmpty(text))
+				{
+					continue;
+				}
+				int num = text.IndexOf('\t');
+				if (num > 0)
+				{
+					string key = text.Substring(0, num);
+					string item = text.Substring(num + 1);
+					if (!tags.ContainsKey(key))
+					{
+						tags[key] = new List<string>();
+					}
+					if (!tags[key].Contains(item))
+					{
+						tags[key].Add(item);
+					}
+				}
+			}
+		}
+		catch
+		{
+		}
+	}
+
+	private void SaveTags()
+	{
+		try
+		{
+			List<string> list = new List<string>();
+			foreach (KeyValuePair<string, List<string>> tag in tags)
+			{
+				foreach (string item in tag.Value)
+				{
+					list.Add(tag.Key + "\t" + item);
+				}
+			}
+			StringBuilder sb = new StringBuilder();
+			foreach (string line in list)
+			{
+				sb.Append(line).Append("\r\n");
+			}
+			AtomicWrite(TagFile, sb.ToString());
+		}
+		catch
+		{
+		}
+	}
+
+	// 原子写：先写临时文件再替换，避免程序崩溃时把 config/tags 写坏
+	private static void AtomicWrite(string path, string content)
+	{
+		string dir = Path.GetDirectoryName(path);
+		if (!Directory.Exists(dir))
+		{
+			Directory.CreateDirectory(dir);
+		}
+		string tmp = path + ".tmp";
+		File.WriteAllText(tmp, content, new UTF8Encoding(encoderShouldEmitUTF8Identifier: false));
+		if (File.Exists(path))
+		{
+			File.Copy(tmp, path, overwrite: true);
+			File.Delete(tmp);
+		}
+		else
+		{
+			File.Move(tmp, path);
+		}
+	}
+
+	private void AddTag(string name)
+	{
+		if (!string.IsNullOrEmpty(name) && !tags.ContainsKey(name))
+		{
+			tags[name] = new List<string>();
+			SaveTags();
+		}
+	}
+
+	private void ToggleTag(string path, string tag)
+	{
+		if (!string.IsNullOrEmpty(path) && tags.ContainsKey(tag))
+		{
+			if (tags[tag].Contains(path))
+			{
+				tags[tag].Remove(path);
+			}
+			else
+			{
+				tags[tag].Add(path);
+			}
+			SaveTags();
+			RefreshTagNodes();
+		}
+	}
+
+	private void InsertTagNodes()
+	{
+		//IL_0078: Unknown result type (might be due to invalid IL or missing references)
+		//IL_007e: Expected O, but got Unknown
+		//IL_015f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0166: Expected O, but got Unknown
+		for (int num = catBox.Nodes.Count - 1; num >= 0; num--)
+		{
+			if (catBox.Nodes[num].Tag is string text && text.StartsWith("TAG:", StringComparison.Ordinal))
+			{
+				catBox.Nodes.RemoveAt(num);
+			}
+		}
+		TreeNode val = new TreeNode("★ 标签");
+		val.Tag = "TAGROOT";
+		List<string> list = new List<string>(tags.Keys);
+		list.Sort(StringComparer.OrdinalIgnoreCase);
+		foreach (string item in list)
+		{
+			int num2 = 0;
+			foreach (string item2 in tags[item])
+			{
+				if (pathIndex.ContainsKey(item2))
+				{
+					num2++;
+				}
+			}
+			if (num2 != 0)
+			{
+				TreeNode val2 = new TreeNode(item + "  (" + num2 + ")");
+				val2.Tag = "TAG:" + item;
+				val.Nodes.Add(val2);
+			}
+		}
+		if (val.Nodes.Count > 0)
+		{
+			catBox.Nodes.Insert(0, val);
+			val.Expand();
+		}
+	}
+
+	private void RefreshTagNodes()
+	{
+		if (rootDir.Length != 0)
+		{
+			InsertTagNodes();
+		}
+	}
+
+	private string PromptText(string title, string label)
+	{
+		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000e: Expected O, but got Unknown
+		//IL_0049: Unknown result type (might be due to invalid IL or missing references)
+		//IL_004f: Expected O, but got Unknown
+		//IL_0078: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0082: Expected O, but got Unknown
+		//IL_00ad: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00b3: Expected O, but got Unknown
+		//IL_00e6: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ec: Expected O, but got Unknown
+		//IL_0145: Unknown result type (might be due to invalid IL or missing references)
+		//IL_014b: Invalid comparison between Unknown and I4
+		Form val = new Form();
+		((Control)val).Text = title;
+		val.FormBorderStyle = (FormBorderStyle)3;
+		val.MaximizeBox = false;
+		val.MinimizeBox = false;
+		val.StartPosition = (FormStartPosition)4;
+		val.ClientSize = new Size(320, 116);
+		Label val2 = new Label();
+		((Control)val2).Text = label;
+		((Control)val2).SetBounds(12, 10, 296, 22);
+		((Control)val).Controls.Add((Control)(object)val2);
+		TextBox tx = new TextBox();
+		((Control)tx).SetBounds(12, 36, 296, 24);
+		((Control)val).Controls.Add((Control)(object)tx);
+		Button val3 = new Button();
+		((Control)val3).Text = "确定";
+		val3.DialogResult = (DialogResult)1;
+		((Control)val3).SetBounds(150, 74, 74, 30);
+		((Control)val).Controls.Add((Control)(object)val3);
+		Button val4 = new Button();
+		((Control)val4).Text = "取消";
+		val4.DialogResult = (DialogResult)2;
+		((Control)val4).SetBounds(232, 74, 74, 30);
+		((Control)val).Controls.Add((Control)(object)val4);
+		val.AcceptButton = (IButtonControl)(object)val3;
+		val.CancelButton = (IButtonControl)(object)val4;
+		val.Shown += delegate
+		{
+			((Control)tx).Focus();
+		};
+		string result = (((int)val.ShowDialog((IWin32Window)(object)this) == 1) ? ((Control)tx).Text.Trim() : null);
+		((Component)(object)val).Dispose();
+		return result;
+	}
+
+	private void ShowTagManager()
+	{
+		//IL_0012: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001c: Expected O, but got Unknown
+		//IL_0084: Unknown result type (might be due to invalid IL or missing references)
+		//IL_008e: Expected O, but got Unknown
+		//IL_0129: Unknown result type (might be due to invalid IL or missing references)
+		//IL_012f: Expected O, but got Unknown
+		//IL_0161: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0167: Expected O, but got Unknown
+		//IL_0199: Unknown result type (might be due to invalid IL or missing references)
+		//IL_019f: Expected O, but got Unknown
+		//IL_01d4: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01da: Expected O, but got Unknown
+		//IL_0270: Unknown result type (might be due to invalid IL or missing references)
+		Form dlg = new Form();
+		((Control)dlg).Text = "标签管理";
+		dlg.FormBorderStyle = (FormBorderStyle)3;
+		dlg.MaximizeBox = false;
+		dlg.MinimizeBox = false;
+		dlg.StartPosition = (FormStartPosition)4;
+		dlg.ClientSize = new Size(360, 340);
+		ListView lst = new ListView();
+		lst.View = (View)1;
+		lst.FullRowSelect = true;
+		lst.HideSelection = false;
+		lst.Columns.Add("标签", 150);
+		lst.Columns.Add("字体数", 100);
+		((Control)lst).SetBounds(12, 12, 336, 230);
+		Action refresh = delegate
+		{
+			//IL_0054: Unknown result type (might be due to invalid IL or missing references)
+			//IL_005a: Expected O, but got Unknown
+			lst.BeginUpdate();
+			lst.Items.Clear();
+			List<string> list = new List<string>(tags.Keys);
+			list.Sort(StringComparer.OrdinalIgnoreCase);
+			foreach (string item in list)
+			{
+				ListViewItem val5 = new ListViewItem(item);
+				val5.SubItems.Add(tags[item].Count.ToString());
+				lst.Items.Add(val5);
+			}
+			lst.EndUpdate();
+		};
+		refresh();
+		Button val = new Button();
+		((Control)val).Text = "新建";
+		((Control)val).SetBounds(12, 254, 84, 30);
+		((Control)val).Click += delegate
+		{
+			string text4 = PromptText("新建标签", "标签名：");
+			if (!string.IsNullOrEmpty(text4))
+			{
+				AddTag(text4);
+				RefreshTagNodes();
+				refresh();
+			}
+		};
+		Button val2 = new Button();
+		((Control)val2).Text = "重命名";
+		((Control)val2).SetBounds(102, 254, 84, 30);
+		((Control)val2).Click += delegate
+		{
+			if (lst.SelectedItems.Count != 0)
+			{
+				string text2 = lst.SelectedItems[0].Text;
+				string text3 = PromptText("重命名标签", "新标签名：");
+				if (!string.IsNullOrEmpty(text3) && !(text3 == text2) && tags.TryGetValue(text2, out var value))
+				{
+					tags[text3] = value;
+					tags.Remove(text2);
+					SaveTags();
+					RefreshTagNodes();
+					refresh();
+				}
+			}
+		};
+		Button val3 = new Button();
+		((Control)val3).Text = "删除";
+		((Control)val3).SetBounds(192, 254, 84, 30);
+		((Control)val3).Click += delegate
+		{
+			//IL_0052: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0058: Invalid comparison between Unknown and I4
+			if (lst.SelectedItems.Count != 0)
+			{
+				string text = lst.SelectedItems[0].Text;
+				if ((int)MessageBox.Show((IWin32Window)(object)dlg, "删除标签「" + text + "」？（仅移除标签，不删除字体文件）", "确认", (MessageBoxButtons)4, (MessageBoxIcon)32) == 6)
+				{
+					tags.Remove(text);
+					SaveTags();
+					RefreshTagNodes();
+					refresh();
+				}
+			}
+		};
+		Button val4 = new Button();
+		((Control)val4).Text = "关闭";
+		val4.DialogResult = (DialogResult)2;
+		((Control)val4).SetBounds(282, 254, 66, 30);
+		((Control)dlg).Controls.Add((Control)(object)lst);
+		((Control)dlg).Controls.Add((Control)(object)val);
+		((Control)dlg).Controls.Add((Control)(object)val2);
+		((Control)dlg).Controls.Add((Control)(object)val3);
+		((Control)dlg).Controls.Add((Control)(object)val4);
+		dlg.ShowDialog((IWin32Window)(object)this);
+		((Component)(object)dlg).Dispose();
+	}
+
+	private void ShowExportDialog()
+	{
+		//IL_0009: Unknown result type (might be due to invalid IL or missing references)
+		SystemFontExportDialog systemFontExportDialog = new SystemFontExportDialog();
+		try
+		{
+			((Form)systemFontExportDialog).ShowDialog((IWin32Window)(object)this);
+		}
+		finally
+		{
+			((IDisposable)systemFontExportDialog)?.Dispose();
+		}
+	}
+
+	private List<FontItem> CollectTargetItems()
+	{
+		List<FontItem> list = new List<FontItem>();
+		if (rootDir.Length == 0)
+		{
+			return list;
+		}
+		CollectChecked(catBox.Nodes, list);
+		if (list.Count == 0)
+		{
+			foreach (KeyValuePair<string, List<FontItem>> category in categories)
+			{
+				list.AddRange(category.Value);
+			}
+		}
+		return list;
+	}
+
+	private void ShowRenameDialog()
+	{
+		//IL_0022: Unknown result type (might be due to invalid IL or missing references)
+		//IL_004d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_005f: Unknown result type (might be due to invalid IL or missing references)
+		if (rootDir.Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先选择字体目录", "提示");
+			return;
+		}
+		List<FontItem> list = CollectTargetItems();
+		if (list.Count == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "目录中没有字体文件", "提示");
+			return;
+		}
+		FontRenameDialog fontRenameDialog = new FontRenameDialog(list);
+		try
+		{
+			((Form)fontRenameDialog).ShowDialog((IWin32Window)(object)this);
+			if (fontRenameDialog.Renamed)
+			{
+				ScanDir();
+				((Control)lblProg).Text = "已重命名并刷新目录分类。";
+			}
+		}
+		finally
+		{
+			((IDisposable)fontRenameDialog)?.Dispose();
+		}
+	}
+
+	private void MoveInstallOne(string srcPath)
+	{
+		List<FontItem> list = new List<FontItem>();
+		try
+		{
+			list.Add(new FontItem
+			{
+				Path = srcPath,
+				Name = Path.GetFileName(srcPath)
+			});
+		}
+		catch
+		{
+			list.Add(new FontItem
+			{
+				Path = srcPath,
+				Name = srcPath
+			});
+		}
+		MoveInstallAll(list);
+	}
+
+	private void MoveInstallBatch()
+	{
+		//IL_0022: Unknown result type (might be due to invalid IL or missing references)
+		//IL_004d: Unknown result type (might be due to invalid IL or missing references)
+		if (rootDir.Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先选择字体目录", "提示");
+			return;
+		}
+		List<FontItem> list = CollectTargetItems();
+		if (list.Count == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "目录中没有字体文件", "提示");
+		}
+		else
+		{
+			MoveInstallAll(list);
+		}
+	}
+
+	private bool MoveInstallAll(List<FontItem> items)
+	{
+		//IL_0134: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0072: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00aa: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00d5: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00da: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00db: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00dd: Invalid comparison between Unknown and I4
+		//IL_00f0: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00f2: Invalid comparison between Unknown and I4
+		//IL_0689: Unknown result type (might be due to invalid IL or missing references)
+		string text = ((Control)txtMoveDir).Text.Trim().Trim(new char[1] { '"' });
+		if (text.Length == 2 && text[1] == ':')
+		{
+			text += "\\";
+		}
+		if (text.Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先在左侧填写『复制目录』", "提示");
+			return false;
+		}
+		string text2 = DriveToUnc(text) ?? text;
+		if (!Directory.Exists(text2))
+		{
+			MessageBox.Show((IWin32Window)(object)this, "复制目录不存在或不可访问，请检查：" + text, "提示");
+			return false;
+		}
+		int num = 0;
+		int num2 = 0;
+		int num3 = 0;
+		int num4 = 0;
+		List<string> list = new List<string>();
+		List<string> list2 = new List<string>();
+		List<string> list3 = new List<string>();
+		List<string> list4 = new List<string>();
+		Cursor.Current = Cursors.WaitCursor;
+		try
+		{
+			HashSet<string> hashSet = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+			string b = text2.TrimEnd(new char[1] { '\\' });
+			for (int i = 0; i < items.Count; i++)
+			{
+				string text3 = DriveToUnc(items[i].Path) ?? items[i].Path;
+				if (!File.Exists(text3))
+				{
+					num2++;
+					list.Add(items[i].Name);
+					continue;
+				}
+				string a = Path.GetDirectoryName(text3).TrimEnd(new char[1] { '\\' });
+				string fontFullPath;
+				if (string.Equals(a, b, StringComparison.OrdinalIgnoreCase))
+				{
+					fontFullPath = Path.Combine(text, items[i].Name);
+					num++;
+				}
+				else
+				{
+					string text4 = items[i].Name;
+					string text5 = Path.Combine(text2, text4);
+					if (File.Exists(text5))
+					{
+						fontFullPath = Path.Combine(text, text4);
+						num4++;
+						list3.Add(items[i].Name);
+					}
+					else
+					{
+						if (hashSet.Contains(text4))
+						{
+							string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(text4);
+							string extension = Path.GetExtension(text4);
+							int num5 = 1;
+							do
+							{
+								text4 = fileNameWithoutExtension + "_" + num5 + extension;
+								text5 = Path.Combine(text2, text4);
+								num5++;
+							}
+							while (hashSet.Contains(text4) || File.Exists(text5));
+						}
+						hashSet.Add(text4);
+						try
+						{
+							MoveFileSafe(text3, text5);
+							num++;
+						}
+						catch (Exception)
+						{
+							num2++;
+							list.Add(items[i].Name);
+							continue;
+						}
+						fontFullPath = Path.Combine(text, text4);
+					}
+				}
+				list4.Add(fontFullPath);
+			}
+		}
+		finally
+		{
+			Cursor.Current = Cursors.Default;
+		}
+
+		// 安装阶段：本进程已是管理员则直接装；普通权限则弹一次 UAC 拉起无界面安装子进程，主程序不重启
+		if (!FontManagerEx.IsAdmin())
+		{
+			try
+			{
+				ProcessStartInfo processStartInfo = new ProcessStartInfo();
+				processStartInfo.FileName = Application.ExecutablePath;
+				processStartInfo.Arguments = "/install \"" + text2 + "\"";
+				processStartInfo.Verb = "runas";
+				Process.Start(processStartInfo);
+				((Control)lblProg).Text = "文件已复制，正在调起 UAC 安装…（点「是」完成注册）";
+			}
+			catch
+			{
+				MessageBox.Show((IWin32Window)(object)this, "已取消提权：文件已复制，但未注册为系统字体。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+			}
+			moveDir = text;
+			((Control)txtMoveDir).Text = text;
+			SaveConfig();
+			return true;
+		}
+		foreach (string fp in list4)
+		{
+			string lnk;
+			string reg;
+			if (FontManagerEx.InstallAsShortcut(fp, out lnk, out reg))
+			{
+				if (lnk != null && lnk.StartsWith("（已安装"))
+				{
+					num4++;
+					list3.Add(Path.GetFileName(fp));
+				}
+				else
+				{
+					num3++;
+					list2.Add(lnk + " ｜ " + reg);
+				}
+			}
+			else
+			{
+				num2++;
+				list.Add(Path.GetFileName(fp));
+			}
+		}
+		moveDir = text;
+		((Control)txtMoveDir).Text = text;
+		SaveConfig();
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.Append("复制完成：成功 " + num + " / " + items.Count + "（源文件已保留，同名文件不重复复制）");
+		if (num2 > 0)
+		{
+			stringBuilder.Append("，失败 " + num2);
+		}
+		stringBuilder.Append("\r\n");
+		stringBuilder.Append("快捷方式安装成功 " + num3 + " 个");
+		if (num4 > 0)
+		{
+			stringBuilder.Append("\r\n已存在、未重复安装 " + num4 + " 个");
+			if (list3.Count <= 20)
+			{
+				stringBuilder.Append("：");
+				foreach (string item in list3)
+				{
+					stringBuilder.Append("\r\n  " + item);
+				}
+			}
+		}
+		if (num3 > 0)
+		{
+			stringBuilder.Append("\r\n\r\n已写入：");
+			foreach (string item2 in list2)
+			{
+				stringBuilder.Append("\r\n  " + item2);
+			}
+			stringBuilder.Append("\r\n\r\n说明：快捷方式(.lnk)存放在 C:\\Windows\\Fonts，并在注册表 HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts 登记。");
+			stringBuilder.Append("\r\n若在『字体设置 / 控制面板-字体』或 Word、PS 等软件中未立即出现，请注销后重新登录或重启系统再查看。");
+		}
+		if (num2 > 0 && list.Count <= 20)
+		{
+			stringBuilder.Append("\r\n\r\n失败项：");
+			foreach (string item3 in list)
+			{
+				stringBuilder.Append("\r\n  " + item3);
+			}
+		}
+		MessageBox.Show((IWin32Window)(object)this, stringBuilder.ToString(), "复制结果", (MessageBoxButtons)0, (MessageBoxIcon)64);
+		return num > 0;
+	}
+
+	private static void MoveFileSafe(string src, string dest)
+	{
+		File.Copy(src, dest, overwrite: false);
+	}
+
+	public void SetProgress(int pct, int done, int total)
+	{
+		prog.Value = Math.Min(100, Math.Max(0, pct));
+		((Control)lblProg).Text = "正在渲染 " + done + " / " + total + " ...";
+	}
+}
diff --git a/FontPreview/MoveInstallDialog.cs b/FontPreview/MoveInstallDialog.cs
new file mode 100644
index 0000000..9d1648b
--- /dev/null
+++ b/FontPreview/MoveInstallDialog.cs
@@ -0,0 +1,277 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Drawing;
+using System.IO;
+using System.Text;
+using System.Windows.Forms;
+
+namespace FontPreview;
+
+internal class MoveInstallDialog : Form
+{
+	private List<FontItem> items;
+
+	public bool Moved;
+
+	private TextBox txtDir;
+
+	private CheckBox chkShortcut;
+
+	private ListBox lst;
+
+	public MoveInstallDialog(List<FontItem> list)
+	{
+		//IL_0046: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0050: Expected O, but got Unknown
+		items = list;
+		((Control)this).Text = "移动字体 + 快捷方式安装";
+		((Control)this).Width = 700;
+		((Control)this).Height = 560;
+		((Form)this).StartPosition = (FormStartPosition)4;
+		((Control)this).Font = new Font("Microsoft YaHei UI", 9f);
+		Build();
+	}
+
+	private void Build()
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0007: Expected O, but got Unknown
+		//IL_0059: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0063: Expected O, but got Unknown
+		//IL_00fa: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0100: Expected O, but got Unknown
+		//IL_011f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0129: Expected O, but got Unknown
+		//IL_0143: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0149: Expected O, but got Unknown
+		//IL_01aa: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01b4: Expected O, but got Unknown
+		//IL_01fe: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0205: Expected O, but got Unknown
+		//IL_0265: Unknown result type (might be due to invalid IL or missing references)
+		//IL_026c: Expected O, but got Unknown
+		//IL_02bd: Unknown result type (might be due to invalid IL or missing references)
+		//IL_02c4: Expected O, but got Unknown
+		Label val = new Label();
+		((Control)val).Text = "将把 " + items.Count + " 个字体文件移动到指定目录；可选『以快捷方式安装』：\r\n在系统字体中创建指向新位置的快捷方式（字体不复制进系统盘，需管理员权限）。";
+		((Control)val).SetBounds(12, 10, 664, 46);
+		((Control)val).ForeColor = Color.DimGray;
+		((Control)this).Controls.Add((Control)(object)val);
+		lst = new ListBox();
+		((Control)lst).SetBounds(12, 62, 664, 260);
+		lst.HorizontalScrollbar = true;
+		foreach (FontItem item in items)
+		{
+			lst.Items.Add((object)(item.Name + "   <-  " + item.Path));
+		}
+		((Control)this).Controls.Add((Control)(object)lst);
+		Label val2 = new Label();
+		((Control)val2).Text = "目标目录：";
+		((Control)val2).SetBounds(12, 330, 64, 26);
+		txtDir = new TextBox();
+		((Control)txtDir).SetBounds(76, 327, 470, 26);
+		Button val3 = new Button();
+		((Control)val3).Text = "浏览…";
+		((Control)val3).SetBounds(552, 326, 124, 28);
+		((Control)val3).Click += delegate
+		{
+			string text = NativeFolderDialog.PickFolder(((Control)this).Handle, "选择目标目录", ((Control)txtDir).Text.Trim());
+			if (text != null)
+			{
+				((Control)txtDir).Text = text;
+			}
+		};
+		((Control)this).Controls.Add((Control)(object)val2);
+		((Control)this).Controls.Add((Control)(object)txtDir);
+		((Control)this).Controls.Add((Control)(object)val3);
+		chkShortcut = new CheckBox();
+		((Control)chkShortcut).Text = "移动后以快捷方式安装到系统字体（需管理员权限，不复制进系统盘）";
+		((Control)chkShortcut).SetBounds(12, 366, 664, 26);
+		chkShortcut.Checked = true;
+		((Control)this).Controls.Add((Control)(object)chkShortcut);
+		Button val4 = new Button();
+		((Control)val4).Text = "执行移动";
+		((Control)val4).BackColor = Color.FromArgb(43, 58, 85);
+		((Control)val4).ForeColor = Color.White;
+		((ButtonBase)val4).FlatStyle = (FlatStyle)0;
+		((Control)val4).SetBounds(12, 408, 130, 36);
+		((Control)val4).Click += delegate
+		{
+			DoMove();
+		};
+		Button val5 = new Button();
+		((Control)val5).Text = "关闭";
+		val5.DialogResult = (DialogResult)2;
+		((Control)val5).SetBounds(576, 408, 100, 36);
+		((Control)this).Controls.Add((Control)(object)val4);
+		((Control)this).Controls.Add((Control)(object)val5);
+		((Form)this).AcceptButton = (IButtonControl)(object)val5;
+		Label val6 = new Label();
+		((Control)val6).Text = "提示：移动会从原目录移除字体文件；移动正在使用的字体可能影响引用它的程序显示。";
+		((Control)val6).SetBounds(12, 456, 664, 30);
+		((Control)val6).ForeColor = Color.FromArgb(191, 90, 60);
+		((Control)this).Controls.Add((Control)(object)val6);
+	}
+
+	private void DoMove()
+	{
+		//IL_0110: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0045: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00b4: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00b9: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ba: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00bc: Invalid comparison between Unknown and I4
+		//IL_00cc: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ce: Invalid comparison between Unknown and I4
+		//IL_0190: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0196: Invalid comparison between Unknown and I4
+		//IL_05b4: Unknown result type (might be due to invalid IL or missing references)
+		string text = ((Control)txtDir).Text.Trim().Trim(new char[1] { '"' });
+		if (text.Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先选择目标目录", "提示");
+			return;
+		}
+		if (text.Length == 2 && text[1] == ':')
+		{
+			text += "\\";
+		}
+		string path = MainForm.DriveToUnc(text) ?? text;
+		if (chkShortcut.Checked && !FontManagerEx.IsAdmin())
+		{
+			DialogResult val = MessageBox.Show((IWin32Window)(object)this, "『以快捷方式安装』需要管理员权限，当前未以管理员身份运行。\r\n\r\n选择『是』：用管理员身份重启本工具（会自动恢复上次目录，请重启后重新执行本次移动+安装）；\r\n选择『否』：仅移动字体，跳过快捷方式安装。", "需要管理员权限", (MessageBoxButtons)3, (MessageBoxIcon)48);
+			if ((int)val == 2)
+			{
+				return;
+			}
+			if ((int)val == 6)
+			{
+				try
+				{
+					ProcessStartInfo processStartInfo = new ProcessStartInfo();
+					processStartInfo.FileName = Application.ExecutablePath;
+					processStartInfo.Verb = "runas";
+					Process.Start(processStartInfo);
+					return;
+				}
+				catch
+				{
+					MessageBox.Show((IWin32Window)(object)this, "提权启动失败（已取消，请手动以管理员身份运行本工具重试）。", "提示");
+					return;
+				}
+			}
+		}
+		string text2 = "将把 " + items.Count + " 个字体文件移动到：\r\n  " + text + (chkShortcut.Checked ? "\r\n\r\n并在系统字体中创建快捷方式安装（指向移动后的位置）。" : "") + "\r\n\r\n确认执行？";
+		if ((int)MessageBox.Show((IWin32Window)(object)this, text2, "确认操作", (MessageBoxButtons)1, (MessageBoxIcon)32) != 1)
+		{
+			return;
+		}
+		int num = 0;
+		int num2 = 0;
+		int num3 = 0;
+		int num4 = 0;
+		List<string> list = new List<string>();
+		List<string> list2 = new List<string>();
+		List<string> list3 = new List<string>();
+		Cursor.Current = Cursors.WaitCursor;
+		try
+		{
+			HashSet<string> hashSet = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+			for (int i = 0; i < items.Count; i++)
+			{
+				string text3 = MainForm.DriveToUnc(items[i].Path) ?? items[i].Path;
+				if (!File.Exists(text3))
+				{
+					num2++;
+					list.Add(items[i].Name);
+					continue;
+				}
+				string text4 = items[i].Name;
+				string text5 = Path.Combine(path, text4);
+				if (hashSet.Contains(text4) || File.Exists(text5))
+				{
+					string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(text4);
+					string extension = Path.GetExtension(text4);
+					int num5 = 1;
+					do
+					{
+						text4 = fileNameWithoutExtension + "_" + num5 + extension;
+						text5 = Path.Combine(path, text4);
+						num5++;
+					}
+					while (hashSet.Contains(text4) || File.Exists(text5));
+				}
+				hashSet.Add(text4);
+				try
+				{
+					MoveFileSafe(text3, text5);
+					num++;
+				}
+				catch (Exception)
+				{
+					num2++;
+					list.Add(items[i].Name);
+					continue;
+				}
+				if (chkShortcut.Checked)
+				{
+					string fontFullPath = Path.Combine(text, text4);
+					if (FontManagerEx.InstallAsShortcut(fontFullPath, out var lnkPath, out var regName))
+					{
+						num3++;
+						list2.Add(lnkPath + " ｜ " + regName);
+					}
+					else
+					{
+						num2++;
+						list.Add(items[i].Name);
+					}
+				}
+			}
+		}
+		finally
+		{
+			Cursor.Current = Cursors.Default;
+		}
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.Append("移动完成：成功 " + num + " / " + items.Count);
+		if (num2 > 0)
+		{
+			stringBuilder.Append("，失败 " + num2);
+		}
+		stringBuilder.Append("\r\n");
+		if (chkShortcut.Checked)
+		{
+			stringBuilder.Append("快捷方式安装成功 " + num3 + " 个");
+			if (num3 > 0)
+			{
+				stringBuilder.Append("\r\n\r\n已写入：");
+				foreach (string item in list2)
+				{
+					stringBuilder.Append("\r\n  " + item);
+				}
+				stringBuilder.Append("\r\n\r\n说明：快捷方式(.lnk)存放在 C:\\Windows\\Fonts，并在注册表 HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts 登记。");
+				stringBuilder.Append("\r\n若在『字体设置 / 控制面板-字体』或 Word、PS 等软件中未立即出现，请注销后重新登录或重启系统再查看。");
+			}
+		}
+		if (num2 > 0 && list.Count <= 20)
+		{
+			stringBuilder.Append("\r\n\r\n失败项：");
+			foreach (string item2 in list)
+			{
+				stringBuilder.Append("\r\n  " + item2);
+			}
+		}
+		if (num > 0)
+		{
+			Moved = true;
+		}
+		MessageBox.Show((IWin32Window)(object)this, stringBuilder.ToString(), "移动结果", (MessageBoxButtons)0, (MessageBoxIcon)64);
+	}
+
+	private static void MoveFileSafe(string src, string dest)
+	{
+		File.Copy(src, dest, overwrite: false);
+	}
+}
diff --git a/FontPreview/NETRESOURCE.cs b/FontPreview/NETRESOURCE.cs
new file mode 100644
index 0000000..5782ab0
--- /dev/null
+++ b/FontPreview/NETRESOURCE.cs
@@ -0,0 +1,23 @@
+using System.Runtime.InteropServices;
+
+namespace FontPreview;
+
+[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+internal struct NETRESOURCE
+{
+	public int dwScope;
+
+	public int dwType;
+
+	public int dwDisplayType;
+
+	public int dwUsage;
+
+	public string lpLocalName;
+
+	public string lpRemoteName;
+
+	public string lpComment;
+
+	public string lpProvider;
+}
diff --git a/FontPreview/NativeFolderDialog.cs b/FontPreview/NativeFolderDialog.cs
new file mode 100644
index 0000000..479675d
--- /dev/null
+++ b/FontPreview/NativeFolderDialog.cs
@@ -0,0 +1,94 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace FontPreview;
+
+internal static class NativeFolderDialog
+{
+	private const uint FOS_PICKFOLDERS = 32u;
+
+	private const int SIGDN_FILESYSPATH = -2147123200;
+
+	[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
+	private static extern int SHCreateItemFromParsingName([MarshalAs(UnmanagedType.LPWStr)] string pszPath, IntPtr pbc, ref Guid riid, out IntPtr ppv);
+
+	private static void AddNavPlace(IFileOpenDialog dlg, string clsidPath)
+	{
+		try
+		{
+			IntPtr ppv = IntPtr.Zero;
+			Guid riid = new Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe");
+			if (SHCreateItemFromParsingName(clsidPath, IntPtr.Zero, ref riid, out ppv) == 0 && ppv != IntPtr.Zero)
+			{
+				IShellItem psi = (IShellItem)Marshal.GetObjectForIUnknown(ppv);
+				try
+				{
+					dlg.AddPlace(psi, 1);
+					return;
+				}
+				catch
+				{
+					return;
+				}
+			}
+		}
+		catch
+		{
+		}
+	}
+
+	internal static string PickFolder(IntPtr owner, string title, string initialPath)
+	{
+		IFileOpenDialog fileOpenDialog = (IFileOpenDialog)new FileOpenDialogRCW();
+		try
+		{
+			fileOpenDialog.SetTitle(title);
+			fileOpenDialog.SetOptions(32u);
+			AddNavPlace(fileOpenDialog, "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}");
+			AddNavPlace(fileOpenDialog, "::{208D2C60-3AEA-1069-A2D8-08002B30309D}");
+			if (!string.IsNullOrEmpty(initialPath))
+			{
+				try
+				{
+					IntPtr ppv = IntPtr.Zero;
+					Guid riid = new Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe");
+					if (SHCreateItemFromParsingName(initialPath, IntPtr.Zero, ref riid, out ppv) == 0 && ppv != IntPtr.Zero)
+					{
+						IShellItem folder = (IShellItem)Marshal.GetObjectForIUnknown(ppv);
+						fileOpenDialog.SetFolder(folder);
+					}
+				}
+				catch
+				{
+				}
+			}
+			if (fileOpenDialog.Show(owner) != 0)
+			{
+				return null;
+			}
+			fileOpenDialog.GetResult(out var ppsi);
+			if (ppsi == null)
+			{
+				return null;
+			}
+			ppsi.GetDisplayName(-2147123200, out var ppszName);
+			if (ppszName == IntPtr.Zero)
+			{
+				return null;
+			}
+			string result = Marshal.PtrToStringUni(ppszName);
+			Marshal.FreeCoTaskMem(ppszName);
+			return result;
+		}
+		finally
+		{
+			try
+			{
+				Marshal.FinalReleaseComObject(fileOpenDialog);
+			}
+			catch
+			{
+			}
+		}
+	}
+}
diff --git a/FontPreview/NetApi.cs b/FontPreview/NetApi.cs
new file mode 100644
index 0000000..02a646e
--- /dev/null
+++ b/FontPreview/NetApi.cs
@@ -0,0 +1,12 @@
+using System.Runtime.InteropServices;
+
+namespace FontPreview;
+
+internal static class NetApi
+{
+	[DllImport("mpr.dll", CharSet = CharSet.Unicode)]
+	internal static extern int WNetAddConnection2(ref NETRESOURCE netResource, string password, string username, int flags);
+
+	[DllImport("mpr.dll", CharSet = CharSet.Unicode)]
+	internal static extern int WNetCancelConnection2(string name, int flags, bool force);
+}
diff --git a/FontPreview/PersistFile.cs b/FontPreview/PersistFile.cs
new file mode 100644
index 0000000..776f560
--- /dev/null
+++ b/FontPreview/PersistFile.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace FontPreview;
+
+[ComImport]
+[Guid("0000010B-0000-0000-C000-000000000046")]
+[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+internal interface PersistFile
+{
+	[PreserveSig]
+	int GetClassID(out Guid pClassID);
+
+	[PreserveSig]
+	int IsDirty();
+
+	[PreserveSig]
+	int Load([MarshalAs(UnmanagedType.LPWStr)] string pszFileName, int dwMode);
+
+	[PreserveSig]
+	int Save([MarshalAs(UnmanagedType.LPWStr)] string pszFileName, [MarshalAs(UnmanagedType.Bool)] bool fRemember);
+
+	[PreserveSig]
+	int SaveCompleted([MarshalAs(UnmanagedType.LPWStr)] string pszFileName);
+
+	[PreserveSig]
+	int GetCurFile([MarshalAs(UnmanagedType.LPWStr)] out string ppszFileName);
+}
diff --git a/FontPreview/Program.cs b/FontPreview/Program.cs
new file mode 100644
index 0000000..0148249
--- /dev/null
+++ b/FontPreview/Program.cs
@@ -0,0 +1,30 @@
+using System;
+using System.Windows.Forms;
+
+namespace FontPreview;
+
+internal static class Program
+{
+	[STAThread]
+	private static void Main()
+	{
+		try
+		{
+			// 被 runas 拉起的安装子进程：只做系统字体注册，不显示主界面
+			string[] cmdArgs = Environment.GetCommandLineArgs();
+			if (cmdArgs.Length >= 3 && string.Equals(cmdArgs[1], "/install", StringComparison.OrdinalIgnoreCase))
+			{
+				InstallRunner.Run(cmdArgs[2]);
+				return;
+			}
+
+			Application.EnableVisualStyles();
+			Application.SetCompatibleTextRenderingDefault(false);
+			Application.Run((Form)(object)new MainForm());
+		}
+		catch (Exception ex)
+		{
+			MessageBox.Show("启动失败，详情：\r\n\r\n" + ex.ToString(), AppInfo.AppName, MessageBoxButtons.OK, MessageBoxIcon.Error);
+		}
+	}
+}
diff --git a/FontPreview/RoundPanel.cs b/FontPreview/RoundPanel.cs
new file mode 100644
index 0000000..3e614d0
--- /dev/null
+++ b/FontPreview/RoundPanel.cs
@@ -0,0 +1,96 @@
+using System;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Windows.Forms;
+
+namespace FontPreview;
+
+internal class RoundPanel : Panel
+{
+	private bool mouseOver;
+
+	public int Radius { get; set; }
+
+	public Color BorderColor { get; set; }
+
+	public Color HoverBorder { get; set; }
+
+	public RoundPanel()
+	{
+		DoubleBuffered = true;
+		Radius = 10;
+		BorderColor = Color.FromArgb(226, 230, 235);
+		HoverBorder = Color.FromArgb(98, 137, 200);
+		BackColor = Color.White;
+		SetStyle((ControlStyles)139266, true);
+	}
+
+	protected override void OnResize(EventArgs eventargs)
+	{
+		base.OnResize(eventargs);
+		if (Width > 0 && Height > 0)
+		{
+			GraphicsPath path = GetPath();
+			try
+			{
+				Region = new Region(path);
+			}
+			finally
+			{
+				path?.Dispose();
+			}
+		}
+		Invalidate();
+	}
+
+	protected override void OnPaint(PaintEventArgs e)
+	{
+		base.OnPaint(e);
+		e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
+		GraphicsPath path = GetPath();
+		try
+		{
+			Pen val = new Pen(mouseOver ? HoverBorder : BorderColor, 1.5f);
+			try
+			{
+				e.Graphics.DrawPath(val, path);
+			}
+			finally
+			{
+				val?.Dispose();
+			}
+		}
+		finally
+		{
+			path?.Dispose();
+		}
+	}
+
+	protected override void OnMouseEnter(EventArgs e)
+	{
+		mouseOver = true;
+		Invalidate();
+		base.OnMouseEnter(e);
+	}
+
+	protected override void OnMouseLeave(EventArgs e)
+	{
+		mouseOver = false;
+		Invalidate();
+		base.OnMouseLeave(e);
+	}
+
+	private GraphicsPath GetPath()
+	{
+		int radius = Radius;
+		int num = Width - 1;
+		int num2 = Height - 1;
+		GraphicsPath val = new GraphicsPath();
+		val.AddArc(0, 0, radius * 2, radius * 2, 180f, 90f);
+		val.AddArc(num - radius * 2, 0, radius * 2, radius * 2, 270f, 90f);
+		val.AddArc(num - radius * 2, num2 - radius * 2, radius * 2, radius * 2, 0f, 90f);
+		val.AddArc(0, num2 - radius * 2, radius * 2, radius * 2, 90f, 90f);
+		val.CloseFigure();
+		return val;
+	}
+}
diff --git a/FontPreview/SampleTexts.cs b/FontPreview/SampleTexts.cs
new file mode 100644
index 0000000..8cc7569
--- /dev/null
+++ b/FontPreview/SampleTexts.cs
@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+
+namespace FontPreview
+{
+	/// <summary>
+	/// 内置预览样例：一键填入常用字、永字八法、中英混排、数字标点等。
+	/// 独立静态类，不改动原有渲染逻辑。
+	/// </summary>
+	public static class SampleTexts
+	{
+		public struct Sample
+		{
+			public string Name;
+			public string Text;
+			public Sample(string name, string text) { Name = name; Text = text; }
+		}
+
+		public static readonly Sample[] All = new Sample[]
+		{
+			new Sample("常用汉字",
+				"的一是不了人我在有他这中大来上国个到说们为子和你地出道也年得就那要下以生会自着去之过家学对可她里后小么心多天而能好都然没日于起还只作当事想成见用文书质等部并如" +
+				"公经工科 林森树 笔画粗细 横平竖直 疏密匀称 端正平稳"),
+			new Sample("永字八法",
+				"永字八法 点如高峰坠石 横如千里阵云 竖如万岁枯藤 撇如陆断犀象 捺如崩浪雷奔 提如百钧弩发 折如劲弩筋节 钩如万钧之弩发"),
+			new Sample("中英混排",
+				"中文与英文混排 The quick brown fox jumps over the lazy dog. 0123456789 字体设计 Typography 排版 Design ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz"),
+			new Sample("数字与标点",
+				"0123456789 123,456.78 ￥12,800.00 （）【】《》「」『』，。、；：？！……—·“”‘’～～￥%&*@#"),
+			new Sample("多音字/对比",
+				"行长 银行 长大 重量 重复 重要 效率 率领 朝阳 朝代 音乐 快乐 长处 处理 差别 差不多 和平 附和"),
+			new Sample("常用句",
+				"你好，世界！今天天气真好。字体预览工具可以帮你快速挑选合适的字体。愿你的每一行文字都恰到好处。"),
+		};
+
+		public static List<KeyValuePair<string, string>> GetItems()
+		{
+			List<KeyValuePair<string, string>> list = new List<KeyValuePair<string, string>>();
+			foreach (Sample s in All)
+			{
+				list.Add(new KeyValuePair<string, string>(s.Name, s.Text));
+			}
+			return list;
+		}
+	}
+}
diff --git a/FontPreview/ShellLinkW.cs b/FontPreview/ShellLinkW.cs
new file mode 100644
index 0000000..fb9be9c
--- /dev/null
+++ b/FontPreview/ShellLinkW.cs
@@ -0,0 +1,65 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace FontPreview;
+
+[ComImport]
+[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+[Guid("000214F9-0000-0000-C000-000000000046")]
+internal interface ShellLinkW
+{
+	[PreserveSig]
+	int GetPath([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile, int cch, IntPtr pfd, int fFlags);
+
+	[PreserveSig]
+	int GetIDList(out IntPtr ppidl);
+
+	[PreserveSig]
+	int SetIDList(IntPtr pidl);
+
+	[PreserveSig]
+	int GetDescription([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName, int cch);
+
+	[PreserveSig]
+	int SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
+
+	[PreserveSig]
+	int GetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir, int cch);
+
+	[PreserveSig]
+	int SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
+
+	[PreserveSig]
+	int GetArguments([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs, int cch);
+
+	[PreserveSig]
+	int SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
+
+	[PreserveSig]
+	int GetHotkey(out short pwHotkey);
+
+	[PreserveSig]
+	int SetHotkey(short wHotkey);
+
+	[PreserveSig]
+	int GetShowCmd(out int piShowCmd);
+
+	[PreserveSig]
+	int SetShowCmd(int iShowCmd);
+
+	[PreserveSig]
+	int GetIconLocation([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath, int cch, out int piIcon);
+
+	[PreserveSig]
+	int SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath, int iIcon);
+
+	[PreserveSig]
+	int SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel, int dwReserved);
+
+	[PreserveSig]
+	int Resolve(IntPtr hwnd, int fFlags);
+
+	[PreserveSig]
+	int SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
+}
diff --git a/FontPreview/SystemFontExportDialog.cs b/FontPreview/SystemFontExportDialog.cs
new file mode 100644
index 0000000..05daae8
--- /dev/null
+++ b/FontPreview/SystemFontExportDialog.cs
@@ -0,0 +1,313 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.IO;
+using System.Text;
+using System.Windows.Forms;
+using Microsoft.Win32;
+
+namespace FontPreview;
+
+internal class SystemFontExportDialog : Form
+{
+	private CheckedListBox lst;
+
+	private TextBox txtDir;
+
+	private Label lblSum;
+
+	private List<KeyValuePair<string, string>> fonts = new List<KeyValuePair<string, string>>();
+
+	public SystemFontExportDialog()
+	{
+		//IL_004a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0054: Expected O, but got Unknown
+		((Control)this).Text = "导出系统字体";
+		((Control)this).Width = 680;
+		((Control)this).Height = 560;
+		((Form)this).StartPosition = (FormStartPosition)4;
+		((Control)this).Font = new Font("Microsoft YaHei UI", 9f);
+		Build();
+		LoadFonts();
+	}
+
+	private void Build()
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0007: Expected O, but got Unknown
+		//IL_003f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0049: Expected O, but got Unknown
+		//IL_007d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0087: Expected O, but got Unknown
+		//IL_009a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a0: Expected O, but got Unknown
+		//IL_00d1: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00d7: Expected O, but got Unknown
+		//IL_0108: Unknown result type (might be due to invalid IL or missing references)
+		//IL_010e: Expected O, but got Unknown
+		//IL_0169: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0170: Expected O, but got Unknown
+		//IL_0191: Unknown result type (might be due to invalid IL or missing references)
+		//IL_019b: Expected O, but got Unknown
+		//IL_01b5: Unknown result type (might be due to invalid IL or missing references)
+		//IL_01bc: Expected O, but got Unknown
+		//IL_0222: Unknown result type (might be due to invalid IL or missing references)
+		//IL_022c: Expected O, but got Unknown
+		//IL_0280: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0287: Expected O, but got Unknown
+		//IL_02e7: Unknown result type (might be due to invalid IL or missing references)
+		//IL_02ee: Expected O, but got Unknown
+		Label val = new Label();
+		((Control)val).Text = "勾选需要导出的系统字体（从注册表读取，含字体文件路径），导出的副本不会影响系统原字体。";
+		((Control)val).SetBounds(12, 10, 650, 34);
+		((Control)val).ForeColor = Color.DimGray;
+		((Control)this).Controls.Add((Control)(object)val);
+		lst = new CheckedListBox();
+		((Control)lst).SetBounds(12, 48, 650, 320);
+		lst.CheckOnClick = true;
+		lst.ItemCheck += (ItemCheckEventHandler)delegate
+		{
+			UpdateSum();
+		};
+		((Control)this).Controls.Add((Control)(object)lst);
+		Button val2 = new Button();
+		((Control)val2).Text = "全选";
+		((Control)val2).SetBounds(12, 376, 76, 28);
+		((Control)val2).Click += delegate
+		{
+			for (int j = 0; j < lst.Items.Count; j++)
+			{
+				lst.SetItemChecked(j, true);
+			}
+			UpdateSum();
+		};
+		Button val3 = new Button();
+		((Control)val3).Text = "全不选";
+		((Control)val3).SetBounds(94, 376, 84, 28);
+		((Control)val3).Click += delegate
+		{
+			for (int i = 0; i < lst.Items.Count; i++)
+			{
+				lst.SetItemChecked(i, false);
+			}
+			UpdateSum();
+		};
+		Button val4 = new Button();
+		((Control)val4).Text = "刷新";
+		((Control)val4).SetBounds(184, 376, 76, 28);
+		((Control)val4).Click += delegate
+		{
+			LoadFonts();
+		};
+		((Control)this).Controls.Add((Control)(object)val2);
+		((Control)this).Controls.Add((Control)(object)val3);
+		((Control)this).Controls.Add((Control)(object)val4);
+		Label val5 = new Label();
+		((Control)val5).Text = "导出到：";
+		((Control)val5).SetBounds(12, 414, 56, 26);
+		txtDir = new TextBox();
+		((Control)txtDir).SetBounds(66, 411, 476, 26);
+		Button val6 = new Button();
+		((Control)val6).Text = "浏览…";
+		((Control)val6).SetBounds(548, 410, 100, 28);
+		((Control)val6).Click += delegate
+		{
+			string text = NativeFolderDialog.PickFolder(((Control)this).Handle, "选择导出的目标目录", ((Control)txtDir).Text.Trim());
+			if (text != null)
+			{
+				((Control)txtDir).Text = text;
+				NormalizeDir();
+			}
+		};
+		((Control)this).Controls.Add((Control)(object)val5);
+		((Control)this).Controls.Add((Control)(object)txtDir);
+		((Control)this).Controls.Add((Control)(object)val6);
+		lblSum = new Label();
+		((Control)lblSum).Text = "已选 0 / 0 个字体";
+		((Control)lblSum).SetBounds(12, 448, 400, 20);
+		((Control)lblSum).ForeColor = Color.FromArgb(43, 58, 85);
+		((Control)this).Controls.Add((Control)(object)lblSum);
+		Button val7 = new Button();
+		((Control)val7).Text = "开始导出";
+		((Control)val7).BackColor = Color.FromArgb(43, 58, 85);
+		((Control)val7).ForeColor = Color.White;
+		((ButtonBase)val7).FlatStyle = (FlatStyle)0;
+		((Control)val7).SetBounds(12, 478, 130, 36);
+		((Control)val7).Click += delegate
+		{
+			DoExport();
+		};
+		Button val8 = new Button();
+		((Control)val8).Text = "关闭";
+		val8.DialogResult = (DialogResult)2;
+		((Control)val8).SetBounds(560, 478, 90, 36);
+		((Control)this).Controls.Add((Control)(object)val7);
+		((Control)this).Controls.Add((Control)(object)val8);
+		((Form)this).AcceptButton = (IButtonControl)(object)val8;
+	}
+
+	internal static string NormalizeDir(string s)
+	{
+		if (string.IsNullOrEmpty(s))
+		{
+			return s;
+		}
+		if (s.Length == 2 && s[1] == ':')
+		{
+			s += "\\";
+		}
+		return s;
+	}
+
+	private void LoadFonts()
+	{
+		//IL_0146: Unknown result type (might be due to invalid IL or missing references)
+		fonts.Clear();
+		try
+		{
+			string folderPath = Environment.GetFolderPath(Environment.SpecialFolder.Fonts);
+			using RegistryKey registryKey = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts");
+			if (registryKey != null)
+			{
+				string[] valueNames = registryKey.GetValueNames();
+				Array.Sort(valueNames, (IComparer<string>?)StringComparer.OrdinalIgnoreCase);
+				string[] array = valueNames;
+				foreach (string text in array)
+				{
+					string text2 = registryKey.GetValue(text) as string;
+					if (string.IsNullOrEmpty(text2))
+					{
+						continue;
+					}
+					string extension = Path.GetExtension(text2);
+					if (extension.Equals(".ttf", StringComparison.OrdinalIgnoreCase) || extension.Equals(".otf", StringComparison.OrdinalIgnoreCase) || extension.Equals(".ttc", StringComparison.OrdinalIgnoreCase))
+					{
+						string text3 = (Path.IsPathRooted(text2) ? text2 : Path.Combine(folderPath, text2));
+						if (File.Exists(text3))
+						{
+							fonts.Add(new KeyValuePair<string, string>(text, text3));
+						}
+					}
+				}
+			}
+		}
+		catch (Exception ex)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "读取系统字体失败：" + ex.Message, "提示", (MessageBoxButtons)0, (MessageBoxIcon)48);
+		}
+		lst.Items.Clear();
+		foreach (KeyValuePair<string, string> font in fonts)
+		{
+			lst.Items.Add((object)(font.Key + "   ——  " + Path.GetFileName(font.Value)), false);
+		}
+		UpdateSum();
+	}
+
+	private void UpdateSum()
+	{
+		int num = 0;
+		for (int i = 0; i < lst.Items.Count; i++)
+		{
+			if (lst.GetItemChecked(i))
+			{
+				num++;
+			}
+		}
+		((Control)lblSum).Text = "已选 " + num + " / " + fonts.Count + " 个字体";
+	}
+
+	private void NormalizeDir()
+	{
+		string text = ((Control)txtDir).Text.Trim().Trim(new char[1] { '"' });
+		if (text.Length == 2 && text[1] == ':')
+		{
+			text += "\\";
+		}
+		((Control)txtDir).Text = text;
+	}
+
+	private void DoExport()
+	{
+		//IL_0045: Unknown result type (might be due to invalid IL or missing references)
+		//IL_031f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00c4: Unknown result type (might be due to invalid IL or missing references)
+		string text = ((Control)txtDir).Text.Trim().Trim(new char[1] { '"' });
+		if (text.Length == 0)
+		{
+			MessageBox.Show((IWin32Window)(object)this, "请先选择导出目录", "提示");
+			return;
+		}
+		string text2 = text;
+		if (MainForm.DiagnosePath(text2) != null)
+		{
+			string text3 = MainForm.DriveToUnc(text2);
+			if (text3 == null || !MainForm.TryReconnect(text2) || MainForm.DiagnosePath(text2) != null)
+			{
+				if (text3 == null || MainForm.DiagnosePath(text3) != null)
+				{
+					MessageBox.Show((IWin32Window)(object)this, "目标目录不可访问：" + text, "提示", (MessageBoxButtons)0, (MessageBoxIcon)48);
+					return;
+				}
+				text2 = text3;
+			}
+		}
+		int num = 0;
+		int num2 = 0;
+		int num3 = 0;
+		List<string> list = new List<string>();
+		List<string> list2 = new List<string>();
+		for (int i = 0; i < lst.Items.Count; i++)
+		{
+			if (!lst.GetItemChecked(i))
+			{
+				continue;
+			}
+			num++;
+			string value = fonts[i].Value;
+			try
+			{
+				string text4 = Path.Combine(text2, Path.GetFileName(value));
+				if (!File.Exists(value))
+				{
+					list.Add(value);
+					continue;
+				}
+				if (File.Exists(text4))
+				{
+					string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(value);
+					string extension = Path.GetExtension(value);
+					int num4 = 1;
+					string text5 = text4;
+					while (File.Exists(text5))
+					{
+						text5 = Path.Combine(text2, fileNameWithoutExtension + "_" + num4 + extension);
+						num4++;
+					}
+					text4 = text5;
+				}
+				File.Copy(value, text4, overwrite: false);
+				num2++;
+			}
+			catch (Exception)
+			{
+				list2.Add(value);
+			}
+		}
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.Append("导出完成：成功 " + num2 + " / " + num + " 个\r\n");
+		if (num3 > 0)
+		{
+			stringBuilder.Append("跳过 " + num3 + " 个\r\n");
+		}
+		if (list.Count > 0)
+		{
+			stringBuilder.Append("源文件缺失 " + list.Count + " 个\r\n");
+		}
+		if (list2.Count > 0)
+		{
+			stringBuilder.Append("失败 " + list2.Count + " 个\r\n");
+		}
+		stringBuilder.Append("\r\n目标目录： " + text2);
+		MessageBox.Show((IWin32Window)(object)this, stringBuilder.ToString(), "导出结果", (MessageBoxButtons)0, (MessageBoxIcon)64);
+	}
+}
diff --git a/FontPreview/UiTheme.cs b/FontPreview/UiTheme.cs
new file mode 100644
index 0000000..271b759
--- /dev/null
+++ b/FontPreview/UiTheme.cs
@@ -0,0 +1,139 @@
+using System;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Windows.Forms;
+
+namespace FontPreview
+{
+	/// <summary>
+	/// 集中 UI 主题：颜色常量、字体、控件样式工厂。
+	/// 所有界面颜色/样式统一从这里取，避免散落硬编码和重复写法。
+	/// </summary>
+	internal static class UiTheme
+	{
+		// ---- 颜色 ----
+		public static readonly Color Primary = Color.FromArgb(43, 58, 85);       // 主深蓝
+		public static readonly Color Accent = Color.FromArgb(98, 137, 200);       // 强调蓝（竖条/hover 边）
+		public static readonly Color AccentText = Color.FromArgb(70, 110, 180);  // 字体名标签蓝
+		public static readonly Color CardBg = Color.White;
+		public static readonly Color PreviewBg = Color.FromArgb(245, 246, 248);    // 预览图浅灰底
+		public static readonly Color PanelBg = Color.White;
+		public static readonly Color Border = Color.FromArgb(226, 230, 235);
+		public static readonly Color SubText = Color.Gray;
+
+		// ---- 字体 ----
+		public const string UiFontFamily = "Microsoft YaHei UI";
+		public static readonly Font GroupLabel = new Font(UiFontFamily, 9.5f, FontStyle.Bold);
+		public static readonly Font CardTitle = new Font(UiFontFamily, 11.5f, FontStyle.Bold);
+		public static readonly Font StatusText = new Font(UiFontFamily, 8f);
+		public static readonly Font UiBase = new Font(UiFontFamily, 9f);
+
+		// ---- 圆角卡片 ----
+		public const int CardRadius = 10;
+
+		/// <summary>创建一张统一风格的圆角卡片面板。</summary>
+		public static RoundPanel CreateCard(int width, int height)
+		{
+			RoundPanel p = new RoundPanel
+			{
+				Width = width,
+				Height = height,
+				BackColor = CardBg,
+				Radius = CardRadius,
+				BorderColor = Border,
+				HoverBorder = Accent
+			};
+			return p;
+		}
+
+		/// <summary>卡片左侧的强调色竖条。</summary>
+		public static Panel CreateAccentBar(int x, int y)
+		{
+			return new Panel { BackColor = Accent, Location = new Point(x, y), Size = new Size(4, 18) };
+		}
+
+		/// <summary>卡片标题字体名标签。</summary>
+		public static Label CreateCardTitle(string text, int x, int y, int width)
+		{
+			return new Label
+			{
+				Text = text,
+				Location = new Point(x, y),
+				Size = new Size(width, 26),
+				Font = CardTitle,
+				ForeColor = AccentText,
+				AutoEllipsis = true,
+				Cursor = Cursors.Hand,
+				BackColor = Color.Transparent
+			};
+		}
+
+		/// <summary>卡片里的预览图 PictureBox（浅灰底、贴左）。</summary>
+		public static PictureBox CreatePreviewBox(int x, int y, int width, int height)
+		{
+			return new PictureBox
+			{
+				Location = new Point(x, y),
+				Size = new Size(width, height),
+				BackColor = PreviewBg,
+				SizeMode = PictureBoxSizeMode.Normal,
+				Cursor = Cursors.Hand
+			};
+		}
+
+		// ---- 按钮 ----
+		/// <summary>主按钮：深蓝填充白字。</summary>
+		public static Button CreatePrimaryButton(string text, int x, int y, int w, int h, EventHandler onClick)
+		{
+			Button b = new Button
+			{
+				Text = text,
+				Location = new Point(x, y),
+				Size = new Size(w, h),
+				BackColor = Primary,
+				ForeColor = Color.White,
+				FlatStyle = FlatStyle.Flat,
+				Cursor = Cursors.Hand
+			};
+			b.FlatAppearance.BorderSize = 0;
+			if (onClick != null) b.Click += onClick;
+			return b;
+		}
+
+		/// <summary>次要按钮：扁平白底。</summary>
+		public static Button CreateSecondaryButton(string text, int x, int y, int w, int h, EventHandler onClick)
+		{
+			Button b = new Button
+			{
+				Text = text,
+				Location = new Point(x, y),
+				Size = new Size(w, h),
+				FlatStyle = FlatStyle.Flat,
+				Cursor = Cursors.Hand
+			};
+			if (onClick != null) b.Click += onClick;
+			return b;
+		}
+
+		/// <summary>左侧分组小标题。</summary>
+		public static Label CreateGroupLabel(string text, int x, int y, int w)
+		{
+			return new Label
+			{
+				Text = text,
+				Location = new Point(x, y),
+				Size = new Size(w, 20),
+				Font = GroupLabel,
+				ForeColor = Primary,
+				BackColor = Color.Transparent
+			};
+		}
+
+		/// <summary>主窗体应用主题：白底、统一字体。</summary>
+		public static void ApplyForm(Form f)
+		{
+			f.BackColor = PanelBg;
+			f.Font = UiBase;
+		}
+	}
+}
diff --git a/FontPreview/Worker.cs b/FontPreview/Worker.cs
new file mode 100644
index 0000000..fba1feb
--- /dev/null
+++ b/FontPreview/Worker.cs
@@ -0,0 +1,254 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Drawing.Text;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Windows.Forms;
+
+namespace FontPreview;
+
+public class Worker
+{
+	public class CardData
+	{
+		public Bitmap Bitmap;
+
+		public int Width;
+
+		public string Name;
+
+		public string DisplayName;
+
+		public string Path;
+
+		public bool Failed;
+	}
+
+	public delegate void CompletedHandler(bool cancelled, int done, int failed, int remain, List<CardData> cards);
+
+	private MainForm form;
+
+	private List<FontItem> items;
+
+	private int target;
+
+	private string text;
+
+	private int size;
+
+	private Color fg;
+
+	private Color bg;
+
+	private Dictionary<string, Bitmap> cache;
+
+	private Thread thread;
+
+	private volatile bool stop;
+
+	private List<CardData> results = new List<CardData>();
+
+	public event CompletedHandler Completed;
+
+	public Worker(MainForm f, List<FontItem> items, int target, string text, int size, Color fg, Color bg, Dictionary<string, Bitmap> cache)
+	{
+		form = f;
+		this.items = items;
+		this.target = target;
+		this.text = text;
+		this.size = size;
+		this.fg = fg;
+		this.bg = bg;
+		this.cache = cache;
+	}
+
+	public bool IsRunning()
+	{
+		return thread != null && thread.IsAlive;
+	}
+
+	public void Stop()
+	{
+		stop = true;
+	}
+
+	public void Start()
+	{
+		stop = false;
+		thread = new Thread(Run);
+		thread.IsBackground = true;
+		thread.SetApartmentState(ApartmentState.STA);
+		thread.Start();
+	}
+
+	private void Run()
+	{
+		int total = target;
+		int next = 0;
+		int done = 0;
+		int failed = 0;
+		// 并行渲染：拉满 CPU 线程，批量并行
+		int workers = Math.Max(2, Environment.ProcessorCount);
+		object renderLock = new object();
+
+		ParameterizedThreadStart work = delegate (object _)
+		{
+			while (true)
+			{
+				if (stop) break;
+				int i = Interlocked.Increment(ref next) - 1;
+				if (i >= total) break;
+				FontItem fontItem = items[i];
+				Bitmap value = null;
+				bool failed2 = false;
+				string key = fontItem.Cat + "|" + fontItem.Path;
+				lock (renderLock) { cache.TryGetValue(key, out value); }
+				if (value == null)
+				{
+					value = RenderFont(fontItem.Path, fontItem.Name, text, size, fg, bg, out failed2);
+					if (value != null)
+					{
+						lock (renderLock) { cache[key] = value; }
+					}
+				}
+				CardData cardData = new CardData();
+				cardData.Bitmap = value;
+				cardData.Width = 340;
+				cardData.Name = fontItem.Name;
+				cardData.DisplayName = fontItem.DisplayName;
+				cardData.Path = fontItem.Path;
+				cardData.Failed = failed2;
+				lock (results) { results.Add(cardData); }
+				int d = Interlocked.Increment(ref done);
+				if (value == null) Interlocked.Increment(ref failed);
+				// 进度更新节流：每 10 个或最后一个才唤醒 UI，避免频繁打断
+				if (d % 10 == 0 || d >= total)
+				{
+					int pct = (int)((double)d / (double)total * 100.0);
+					((Control)form).BeginInvoke((Delegate)(Action)delegate
+					{
+						form.SetProgress(pct, d, total);
+					});
+				}
+			}
+		};
+
+		Thread[] ts = new Thread[workers];
+		for (int w = 0; w < workers; w++)
+		{
+			ts[w] = new Thread(work);
+			ts[w].IsBackground = true;
+			ts[w].Start();
+		}
+		foreach (Thread wt in ts) wt.Join();
+
+		int remain = total - done;
+		List<CardData> snapshot;
+		lock (results) { snapshot = new List<CardData>(results); }
+		((Control)form).Invoke((Delegate)(Action)delegate
+		{
+			if (this.Completed != null)
+			{
+				this.Completed(stop, done, failed, remain, snapshot);
+			}
+		});
+	}
+
+	internal static Bitmap RenderFont(string path, string name, string text, int size, Color fg, Color bg, out bool failed)
+	{
+		//IL_0026: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002c: Expected O, but got Unknown
+		//IL_006e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0074: Expected O, but got Unknown
+		//IL_0089: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0090: Expected O, but got Unknown
+		//IL_00e8: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ee: Expected O, but got Unknown
+		//IL_0115: Unknown result type (might be due to invalid IL or missing references)
+		//IL_011c: Expected O, but got Unknown
+		failed = false;
+		Bitmap val = null;
+		PrivateFontCollection val2 = null;
+		Font val3 = null;
+		try
+		{
+			// 直接按文件路径加载，避免 AddMemoryFont 在快速连续渲染多字体时按内存地址缓存导致串字体
+			val2 = new PrivateFontCollection();
+			val2.AddFontFile(path);
+			if (((FontCollection)val2).Families.Length == 0)
+			{
+				failed = true;
+				return null;
+			}
+			FontFamily val4 = ((FontCollection)val2).Families[0];
+			val3 = new Font(val4, (float)size, (FontStyle)0, (GraphicsUnit)2);
+			int num = 14;
+			Graphics val5 = Graphics.FromHwnd(IntPtr.Zero);
+			try
+			{
+				StringFormat val6 = new StringFormat((StringFormatFlags)4096);
+				try
+				{
+					val6.Alignment = (StringAlignment)0;
+					val6.LineAlignment = (StringAlignment)1;
+					SizeF sizeF = val5.MeasureString(text, val3, 20000, val6);
+					int num2 = (int)Math.Ceiling(sizeF.Width) + num * 2;
+					int num3 = (int)Math.Ceiling(sizeF.Height) + 14;
+					val = new Bitmap(num2, Math.Max(num3, 30));
+					Graphics val7 = Graphics.FromImage((Image)(object)val);
+					try
+					{
+						val7.SmoothingMode = (SmoothingMode)4;
+						val7.TextRenderingHint = (TextRenderingHint)4;
+						val7.Clear(bg);
+						Brush val8 = (Brush)new SolidBrush(fg);
+						try
+						{
+							val7.DrawString(text, val3, val8, new RectangleF(num, 7f, sizeF.Width, num3 - 14), val6);
+						}
+						finally
+						{
+							((IDisposable)val8)?.Dispose();
+						}
+					}
+					finally
+					{
+						((IDisposable)val7)?.Dispose();
+					}
+				}
+				finally
+				{
+					((IDisposable)val6)?.Dispose();
+				}
+			}
+			finally
+			{
+				((IDisposable)val5)?.Dispose();
+			}
+			return val;
+		}
+		catch (Exception)
+		{
+			failed = true;
+			if (val != null)
+			{
+				((Image)val).Dispose();
+			}
+			return null;
+		}
+		finally
+		{
+			if (val3 != null)
+			{
+				val3.Dispose();
+			}
+			if (val2 != null)
+			{
+				((FontCollection)val2).Dispose();
+			}
+		}
+	}
+}
diff --git a/FontPreview_v26.csproj b/FontPreview_v26.csproj
new file mode 100644
index 0000000..12693c1
--- /dev/null
+++ b/FontPreview_v26.csproj
@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <AssemblyName>字体预览工具</AssemblyName>
+    <GenerateAssemblyInfo>False</GenerateAssemblyInfo>
+    <OutputType>WinExe</OutputType>
+    <UseWindowsForms>true</UseWindowsForms>
+    <!-- 与原程序保持一致：net40，确保在未装 .NET 4.8 的机器上也能运行 -->
+    <TargetFramework>net40</TargetFramework>
+    <RootNamespace>FontPreview</RootNamespace>
+    <LangVersion>11.0</LangVersion>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- AnyCPU：64 位系统跑 64 位，32 位系统跑 32 位 -->
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <Version>1.0.0</Version>
+    <Product>字体预览工具</Product>
+    <ApplicationIcon>Assets/app.ico</ApplicationIcon>
+    <!-- 可复现构建：时间戳基于内容，不再是异常值 -->
+    <Deterministic>true</Deterministic>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Include="Assets/app.ico" />
+  </ItemGroup>
+
+</Project>
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..ad195fb
--- /dev/null
+++ b/Properties/AssemblyInfo.cs
@@ -0,0 +1,17 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// 程序集信息：右键 exe → 属性 → 详细信息 即可看到
+[assembly: AssemblyTitle("字体预览工具")]
+[assembly: AssemblyDescription("免安装字体预览 / 批量管理 / 标签与分类工具")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("字体预览工具 v1.0.0")]
+[assembly: AssemblyCopyright("")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: ComVisible(false)]
+
+// 版本号：与 csproj Version 对齐
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/app.manifest b/app.manifest
new file mode 100644
index 0000000..a20d348
--- /dev/null
+++ b/app.manifest
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity version="1.0.0.0" name="字体预览工具.app"/>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <!-- 保持原行为：普通权限启动，安装系统字体时再按需 runas 提权 -->
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 / 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+</assembly>
diff --git a/bin/Debug/net40/字体预览工具.exe b/bin/Debug/net40/字体预览工具.exe
new file mode 100644
index 0000000..7b29098
Binary files /dev/null and b/bin/Debug/net40/字体预览工具.exe differ
diff --git a/bin/Debug/net40/字体预览工具.exe.config b/bin/Debug/net40/字体预览工具.exe.config
new file mode 100644
index 0000000..6c301d3
--- /dev/null
+++ b/bin/Debug/net40/字体预览工具.exe.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <startup>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
+  </startup>
+</configuration>
\ No newline at end of file
diff --git a/bin/Debug/net40/字体预览工具.pdb b/bin/Debug/net40/字体预览工具.pdb
new file mode 100644
index 0000000..59c5539
Binary files /dev/null and b/bin/Debug/net40/字体预览工具.pdb differ
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..3e9ec9b
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+# 字体预览工具 - 一键构建脚本
+# 用法: ./build.sh
+
+set -e
+cd "$(dirname "$0")"
+
+export DOTNET_ROOT="${DOTNET_ROOT:-$HOME/.dotnet}"
+export PATH="$DOTNET_ROOT:$PATH"
+
+echo "=== 开始构建 字体预览工具 ==="
+dotnet build --no-incremental -nologo
+
+echo ""
+echo "=== 构建完成 ==="
+ls -lh bin/Debug/net40/字体预览工具.exe
+echo ""
+echo "输出目录: $(pwd)/bin/Debug/net40/"
diff --git a/key.snk b/key.snk
new file mode 100644
index 0000000..330eb76
Binary files /dev/null and b/key.snk differ
diff --git a/obj/Debug/net40/.NETFramework,Version=v4.0.AssemblyAttributes.cs b/obj/Debug/net40/.NETFramework,Version=v4.0.AssemblyAttributes.cs
new file mode 100644
index 0000000..fd0dd13
--- /dev/null
+++ b/obj/Debug/net40/.NETFramework,Version=v4.0.AssemblyAttributes.cs
@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.0", FrameworkDisplayName = ".NET Framework 4")]
diff --git a/obj/Debug/net40/FontPreview_v26.GeneratedMSBuildEditorConfig.editorconfig b/obj/Debug/net40/FontPreview_v26.GeneratedMSBuildEditorConfig.editorconfig
new file mode 100644
index 0000000..b42875c
--- /dev/null
+++ b/obj/Debug/net40/FontPreview_v26.GeneratedMSBuildEditorConfig.editorconfig
@@ -0,0 +1,11 @@
+is_global = true
+build_property.ApplicationManifest = app.manifest
+build_property.StartupObject = 
+build_property.ApplicationDefaultFont = 
+build_property.ApplicationHighDpiMode = 
+build_property.ApplicationUseCompatibleTextRendering = 
+build_property.ApplicationVisualStyles = 
+build_property.RootNamespace = FontPreview
+build_property.ProjectDir = /home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/
+build_property.EnableComHosting = 
+build_property.EnableGeneratedComInterfaceComImportInterop = 
diff --git a/obj/Debug/net40/FontPreview_v26.assets.cache b/obj/Debug/net40/FontPreview_v26.assets.cache
new file mode 100644
index 0000000..5b9175d
Binary files /dev/null and b/obj/Debug/net40/FontPreview_v26.assets.cache differ
diff --git a/obj/Debug/net40/FontPreview_v26.csproj.CoreCompileInputs.cache b/obj/Debug/net40/FontPreview_v26.csproj.CoreCompileInputs.cache
new file mode 100644
index 0000000..da5164f
--- /dev/null
+++ b/obj/Debug/net40/FontPreview_v26.csproj.CoreCompileInputs.cache
@@ -0,0 +1 @@
+673a0090337bbf3190dc2913d23f8f82a4cda18522e8eaa83760eee285254e25
diff --git a/obj/Debug/net40/FontPreview_v26.csproj.FileListAbsolute.txt b/obj/Debug/net40/FontPreview_v26.csproj.FileListAbsolute.txt
new file mode 100644
index 0000000..dffad16
--- /dev/null
+++ b/obj/Debug/net40/FontPreview_v26.csproj.FileListAbsolute.txt
@@ -0,0 +1,7 @@
+/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/obj/Debug/net40/FontPreview_v26.GeneratedMSBuildEditorConfig.editorconfig
+/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/obj/Debug/net40/FontPreview_v26.csproj.CoreCompileInputs.cache
+/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/bin/Debug/net40/字体预览工具.exe.config
+/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/bin/Debug/net40/字体预览工具.exe
+/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/bin/Debug/net40/字体预览工具.pdb
+/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/obj/Debug/net40/字体预览工具.exe
+/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/obj/Debug/net40/字体预览工具.pdb
diff --git a/obj/Debug/net40/FontPreview_v26.exe.withSupportedRuntime.config b/obj/Debug/net40/FontPreview_v26.exe.withSupportedRuntime.config
new file mode 100644
index 0000000..6c301d3
--- /dev/null
+++ b/obj/Debug/net40/FontPreview_v26.exe.withSupportedRuntime.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <startup>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
+  </startup>
+</configuration>
\ No newline at end of file
diff --git a/obj/Debug/net40/字体预览工具.exe b/obj/Debug/net40/字体预览工具.exe
new file mode 100644
index 0000000..7b29098
Binary files /dev/null and b/obj/Debug/net40/字体预览工具.exe differ
diff --git a/obj/Debug/net40/字体预览工具.exe.withSupportedRuntime.config b/obj/Debug/net40/字体预览工具.exe.withSupportedRuntime.config
new file mode 100644
index 0000000..6c301d3
--- /dev/null
+++ b/obj/Debug/net40/字体预览工具.exe.withSupportedRuntime.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <startup>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
+  </startup>
+</configuration>
\ No newline at end of file
diff --git a/obj/Debug/net40/字体预览工具.pdb b/obj/Debug/net40/字体预览工具.pdb
new file mode 100644
index 0000000..59c5539
Binary files /dev/null and b/obj/Debug/net40/字体预览工具.pdb differ
diff --git a/obj/FontPreview_v26.csproj.nuget.dgspec.json b/obj/FontPreview_v26.csproj.nuget.dgspec.json
new file mode 100644
index 0000000..8e504fd
--- /dev/null
+++ b/obj/FontPreview_v26.csproj.nuget.dgspec.json
@@ -0,0 +1,58 @@
+{
+  "format": 1,
+  "restore": {
+    "/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/FontPreview_v26.csproj": {}
+  },
+  "projects": {
+    "/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/FontPreview_v26.csproj": {
+      "version": "1.0.0",
+      "restore": {
+        "projectUniqueName": "/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/FontPreview_v26.csproj",
+        "projectName": "字体预览工具",
+        "projectPath": "/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/FontPreview_v26.csproj",
+        "packagesPath": "/home/user/Doubao/chats/38442577370078722/tools/dotnet/.nuget/packages/",
+        "outputPath": "/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/obj/",
+        "projectStyle": "PackageReference",
+        "configFilePaths": [
+          "/home/user/Doubao/chats/38442577370078722/tools/dotnet/.nuget/NuGet/NuGet.Config"
+        ],
+        "originalTargetFrameworks": [
+          "net40"
+        ],
+        "sources": {
+          "https://api.nuget.org/v3/index.json": {}
+        },
+        "frameworks": {
+          "net40": {
+            "targetAlias": "net40",
+            "projectReferences": {}
+          }
+        },
+        "warningProperties": {
+          "warnAsError": [
+            "NU1605"
+          ]
+        },
+        "restoreAuditProperties": {
+          "enableAudit": "true",
+          "auditLevel": "low",
+          "auditMode": "direct"
+        }
+      },
+      "frameworks": {
+        "net40": {
+          "targetAlias": "net40",
+          "dependencies": {
+            "Microsoft.NETFramework.ReferenceAssemblies": {
+              "suppressParent": "All",
+              "target": "Package",
+              "version": "[1.0.3, )",
+              "autoReferenced": true
+            }
+          },
+          "runtimeIdentifierGraphPath": "/home/user/Doubao/chats/38442577370078722/tools/dotnet/sdk/8.0.425/RuntimeIdentifierGraph.json"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/obj/FontPreview_v26.csproj.nuget.g.props b/obj/FontPreview_v26.csproj.nuget.g.props
new file mode 100644
index 0000000..d5d4b67
--- /dev/null
+++ b/obj/FontPreview_v26.csproj.nuget.g.props
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
+    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
+    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">/home/user/Doubao/chats/38442577370078722/tools/dotnet/.nuget/packages/</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">/home/user/Doubao/chats/38442577370078722/tools/dotnet/.nuget/packages/</NuGetPackageFolders>
+    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.11.2</NuGetToolVersion>
+  </PropertyGroup>
+  <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <SourceRoot Include="/home/user/Doubao/chats/38442577370078722/tools/dotnet/.nuget/packages/" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/obj/FontPreview_v26.csproj.nuget.g.targets b/obj/FontPreview_v26.csproj.nuget.g.targets
new file mode 100644
index 0000000..d6a98bb
--- /dev/null
+++ b/obj/FontPreview_v26.csproj.nuget.g.targets
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <Import Project="$(NuGetPackageRoot)microsoft.netframework.referenceassemblies.net40/1.0.3/build/Microsoft.NETFramework.ReferenceAssemblies.net40.targets" Condition="Exists('$(NuGetPackageRoot)microsoft.netframework.referenceassemblies.net40/1.0.3/build/Microsoft.NETFramework.ReferenceAssemblies.net40.targets')" />
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/obj/project.assets.json b/obj/project.assets.json
new file mode 100644
index 0000000..3aea69c
--- /dev/null
+++ b/obj/project.assets.json
@@ -0,0 +1,500 @@
+{
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+        "dependencies": {
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+        }
+      },
+      "Microsoft.NETFramework.ReferenceAssemblies.net40/1.0.3": {
+        "type": "package",
+        "build": {
+          "build/Microsoft.NETFramework.ReferenceAssemblies.net40.targets": {}
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+    }
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+  "libraries": {
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+      "type": "package",
+      "path": "microsoft.netframework.referenceassemblies/1.0.3",
+      "files": [
+        ".nupkg.metadata",
+        ".signature.p7s",
+        "microsoft.netframework.referenceassemblies.1.0.3.nupkg.sha512",
+        "microsoft.netframework.referenceassemblies.nuspec"
+      ]
+    },
+    "Microsoft.NETFramework.ReferenceAssemblies.net40/1.0.3": {
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+      "type": "package",
+      "path": "microsoft.netframework.referenceassemblies.net40/1.0.3",
+      "files": [
+        ".nupkg.metadata",
+        ".signature.p7s",
+        "build/.NETFramework/v4.0/Accessibility.dll",
+        "build/.NETFramework/v4.0/Accessibility.xml",
+        "build/.NETFramework/v4.0/CustomMarshalers.dll",
+        "build/.NETFramework/v4.0/CustomMarshalers.xml",
+        "build/.NETFramework/v4.0/ISymWrapper.dll",
+        "build/.NETFramework/v4.0/ISymWrapper.xml",
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+        "build/.NETFramework/v4.0/Microsoft.Build.Conversion.v4.0.xml",
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+        "build/.NETFramework/v4.0/Microsoft.Build.Engine.xml",
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+        "build/.NETFramework/v4.0/Microsoft.Build.Framework.xml",
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+        "build/.NETFramework/v4.0/Microsoft.VisualC.xml",
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+        "/home/user/Doubao/chats/38442577370078722/tools/dotnet/.nuget/NuGet/NuGet.Config"
+      ],
+      "originalTargetFrameworks": [
+        "net40"
+      ],
+      "sources": {
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+      },
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+          "targetAlias": "net40",
+          "projectReferences": {}
+        }
+      },
+      "warningProperties": {
+        "warnAsError": [
+          "NU1605"
+        ]
+      },
+      "restoreAuditProperties": {
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+        "auditLevel": "low",
+        "auditMode": "direct"
+      }
+    },
+    "frameworks": {
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+        "dependencies": {
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+}
\ No newline at end of file
diff --git a/obj/project.nuget.cache b/obj/project.nuget.cache
new file mode 100644
index 0000000..ebe9044
--- /dev/null
+++ b/obj/project.nuget.cache
@@ -0,0 +1,11 @@
+{
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+  "dgSpecHash": "b25/+rOOzn8=",
+  "success": true,
+  "projectFilePath": "/home/user/Doubao/chats/38442577370078722/FontPreview_Optimized/FontPreview_v26.csproj",
+  "expectedPackageFiles": [
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+    "/home/user/Doubao/chats/38442577370078722/tools/dotnet/.nuget/packages/microsoft.netframework.referenceassemblies.net40/1.0.3/microsoft.netframework.referenceassemblies.net40.1.0.3.nupkg.sha512"
+  ],
+  "logs": []
+}
\ No newline at end of file