diff --git a/VERSION b/VERSION
index dfdc368..0c4b454 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.3.21
+0.3.22
diff --git a/source_clean/VERSION b/source_clean/VERSION
index dfdc368..0c4b454 100644
--- a/source_clean/VERSION
+++ b/source_clean/VERSION
@@ -1 +1 @@
-0.3.21
+0.3.22
diff --git a/source_clean/src/cloud/cloud.service.ts b/source_clean/src/cloud/cloud.service.ts
index 0bee9c5..9a1a6ba 100644
--- a/source_clean/src/cloud/cloud.service.ts
+++ b/source_clean/src/cloud/cloud.service.ts
@@ -352,7 +352,7 @@ export async function refreshAllStorageInfo(): Promise<void> {
 
       const driver = new Driver({ cookie: cfg.cookie, nickname: cfg.nickname });
 
-      // Try getStorageInfo first (quark cleanup API), fallback to getStorageInfoQuick
+      // Try getStorageInfo (now uses fast /member API for accurate data)
       let storage: any;
       try {
         storage = await driver.getStorageInfo();
diff --git a/source_clean/src/cloud/drivers/quark-cleanup.ts b/source_clean/src/cloud/drivers/quark-cleanup.ts
index 14c6c01..bdaa25d 100644
--- a/source_clean/src/cloud/drivers/quark-cleanup.ts
+++ b/source_clean/src/cloud/drivers/quark-cleanup.ts
@@ -16,76 +16,75 @@ const storageCache = { bytes: 0, hourBlock: -1 };
  * (夸克目录的 size 字段 = 该目录内所有文件总大小，无需递归).
  * If the API fails (e.g. missing sign params), falls back to fallbackTotal if provided.
  */
-export async function getStorageInfoQuick(cookie, fallbackTotal) {
+/**
+ * Get storage info from /member API — single fast call returns both used & total capacity.
+ * Falls back to capacity/detail + root file sum if member API fails.
+ */
+export async function getStorageInfoQuick(cookie, fallbackTotal?) {
+    try {
+        const memberParams = new URLSearchParams({ pr: 'ucpro', fr: 'pc', uc_param_str: '', __t: String(Date.now()), __dt: '1000' });
+        const resp = await fetch(`https://pan.quark.cn/1/clouddrive/member?${memberParams.toString()}`, {
+            headers: quark_api.getHeaders(cookie),
+            signal: AbortSignal.timeout(10000),
+        });
+        if (resp.ok) {
+            const data = await resp.json();
+            if (data.status === 200 && data.data) {
+                const usedBytes = data.data.use_capacity ?? 0;
+                const totalBytes = data.data.total_capacity ?? 0;
+                if (totalBytes > 0) {
+                    // Cache for calculateUsedSpace compatibility
+                    const currentHourBlock = Math.floor(new Date().getHours() / 3);
+                    storageCache.bytes = usedBytes;
+                    storageCache.hourBlock = currentHourBlock;
+                    return {
+                        total: quark_api.formatBytes(totalBytes),
+                        totalBytes,
+                        used: quark_api.formatBytes(usedBytes),
+                        usedBytes,
+                    };
+                }
+            }
+        }
+    } catch {}
+    
+    // Fallback: capacity/detail for total + root file sum for used
     try {
         const params = new URLSearchParams(quark_api.getCommonParams());
-        const capResponse = await fetch(`${BASE_URL}/1/clouddrive/capacity/detail?${params.toString()}`, {
+        const capResp = await fetch(`${BASE_URL}/1/clouddrive/capacity/detail?${params.toString()}`, {
             headers: quark_api.getHeaders(cookie),
             signal: AbortSignal.timeout(10000),
         });
         let totalBytes = 0;
-        if (capResponse.ok) {
-            const data = await capResponse.json();
+        if (capResp.ok) {
+            const data = await capResp.json();
             if (data.status === 200 && data.data) {
                 totalBytes = data.data.capacity_summary?.sum_capacity || 0;
                 if (totalBytes === 0) {
                     const memberships = [...(data.data.effect || []), ...(data.data.expired || [])];
-                    totalBytes = memberships.reduce((max, m) => Math.max(max, m.capacity || 0), 0);
+                    totalBytes = memberships.reduce((max: number, m: any) => Math.max(max, m.capacity || 0), 0);
                 }
             }
         }
-        // Accurate used space via /member API (1 call, no full traversal needed)
-        // Ref: pan.quark.cn/1/clouddrive/member returns use_capacity + total_capacity
         let usedBytes = 0;
         try {
-            const memberParams = new URLSearchParams({ pr: 'ucpro', fr: 'pc', uc_param_str: '', __t: String(Date.now()), __dt: '1000' });
-            const memberResp = await fetch(`https://pan.quark.cn/1/clouddrive/member?${memberParams.toString()}`, {
-                headers: quark_api.getHeaders(cookie),
-                signal: AbortSignal.timeout(10000),
-            });
-            if (memberResp.ok) {
-                const memberData = await memberResp.json();
-                if (memberData.status === 200 && memberData.data?.use_capacity != null) {
-                    usedBytes = memberData.data.use_capacity;
-                }
-            }
-        }
-        catch { }
-        // Fallback: sum root-level file sizes (夸克 folders return size=0)
-        if (usedBytes === 0) {
-            try {
-                const rootFiles = await quark_api.listRootDir(cookie);
-                for (const f of rootFiles) {
-                    usedBytes += f.size || 0;
-                }
-            }
-            catch { }
-        }
-        // Cache the result (3h window)
-        const currentHourBlock = Math.floor(new Date().getHours() / 3);
-        storageCache.bytes = usedBytes;
-        storageCache.hourBlock = currentHourBlock;
+            const rootFiles = await quark_api.listRootDir(cookie);
+            for (const f of rootFiles) usedBytes += f.size || 0;
+        } catch {}
         if (totalBytes > 0) {
-            return {
-                total: quark_api.formatBytes(totalBytes),
-                totalBytes,
-                used: quark_api.formatBytes(usedBytes),
-                usedBytes,
-            };
+            return { total: quark_api.formatBytes(totalBytes), totalBytes, used: quark_api.formatBytes(usedBytes), usedBytes };
         }
-    }
-    catch { }
-    // Fallback: try to parse from a human-readable string like "6 TB"
+    } catch {}
+
+    // Last resort: parse fallbackTotal string
     if (fallbackTotal) {
-        const match = fallbackTotal.match(/^([\d.]+)\s*([KMGT]B?)/i);
+        const match = String(fallbackTotal).match(/^([\d.]+)\s*([KMGT]B?)/i);
         if (match) {
             const num = parseFloat(match[1]);
             const unit = match[2].toUpperCase();
-            const multipliers = { B: 1, KB: 1024, MB: 1024 ** 2, GB: 1024 ** 3, TB: 1024 ** 4, PB: 1024 ** 5 };
-            const multiplier = multipliers[unit] || multipliers[unit.replace('B', '') + 'B'] || 0;
-            if (multiplier > 0) {
-                return { total: fallbackTotal, totalBytes: Math.round(num * multiplier), used: '-', usedBytes: 0 };
-            }
+            const multipliers: Record<string,number> = { B:1, KB:1024, MB:1048576, GB:1073741824, TB:1099511627776 };
+            const m = multipliers[unit] || multipliers[unit.replace('B','')+'B'] || 0;
+            if (m > 0) return { total: String(fallbackTotal), totalBytes: Math.round(num*m), used: '-', usedBytes: 0 };
         }
     }
     return { total: '-', totalBytes: 0, used: '-', usedBytes: 0 };
@@ -98,52 +97,17 @@ export async function getStorageInfoQuick(cookie, fallbackTotal) {
  * First call returns quickly; full traversal runs async and updates DB later.
  * `onBackgroundComplete` is called when traversal finishes.
  */
-export async function getStorageInfo(cookie, onBackgroundComplete) {
-    try {
-        const params = new URLSearchParams(quark_api.getCommonParams());
-        const response = await fetch(`${BASE_URL}/1/clouddrive/capacity/detail?${params.toString()}`, {
-            headers: quark_api.getHeaders(cookie),
-            signal: AbortSignal.timeout(10000),
-        });
-        let totalBytes = 0;
-        if (response.ok) {
-            const data = await response.json();
-            if (data.status === 200 && data.data) {
-                totalBytes = data.data.capacity_summary?.sum_capacity || 0;
-                if (totalBytes === 0) {
-                    const memberships = [...(data.data.effect || []), ...(data.data.expired || [])];
-                    totalBytes = memberships.reduce((max, m) => Math.max(max, m.capacity || 0), 0);
-                }
-            }
-        }
-        const totalFormatted = totalBytes > 0 ? quark_api.formatBytes(totalBytes) : '-';
-        // Quick estimation: sum root-level files only
-        let quickUsed = 0;
-        try {
-            const rootFiles = await quark_api.listRootDir(cookie);
-            for (const f of rootFiles) {
-                quickUsed += f.size || 0;
-            }
-        }
-        catch { }
-        // Budget full traversal in background (no await)
-        calculateUsedSpace(cookie).then(fullUsed => {
-            if (onBackgroundComplete) {
-                onBackgroundComplete(quark_api.formatBytes(fullUsed), totalFormatted);
-            }
-        }).catch(err => {
-            console.error('[Storage] Background full traversal failed:', err.message);
-        });
-        return {
-            total: totalFormatted,
-            totalBytes,
-            used: quark_api.formatBytes(quickUsed),
-            usedBytes: quickUsed,
-        };
-    }
-    catch {
-        return { used: '-', total: '-', usedBytes: 0, totalBytes: 0 };
+/**
+ * Get accurate storage info via /member API (fast, no file traversal needed).
+ * Returns { total, totalBytes, used, usedBytes } in ~1s.
+ * onBackgroundComplete is kept for backward compat (called synchronously).
+ */
+export async function getStorageInfo(cookie, onBackgroundComplete?) {
+    const result = await getStorageInfoQuick(cookie);
+    if (onBackgroundComplete && result.used !== '-' && result.usedBytes > 0) {
+        try { onBackgroundComplete(result.used, result.total); } catch {}
     }
+    return result;
 }
 /**
  * Calculate total used space by recursively traversing all files