diff --git a/src/pages/StorageCleaner/__tests__/index.test.tsx b/src/pages/StorageCleaner/__tests__/index.test.tsx
index 373bb15..e73564d 100644
--- a/src/pages/StorageCleaner/__tests__/index.test.tsx
+++ b/src/pages/StorageCleaner/__tests__/index.test.tsx
@@ -103,4 +103,31 @@ describe('StorageCleaner 页面', () => {
       expect(screen.getByRole('button', { name: /立即清理/ })).not.toBeDisabled();
     });
   });
+
+  it('展示的数据与当前标签页不一致时不应执行清理', async () => {
+    let currentTabId = 1;
+    vi.mocked(getCurrentTab).mockImplementation(
+      async () =>
+        ({
+          id: currentTabId,
+          url: currentTabId === 1 ? 'https://a.example.com' : 'https://b.example.com',
+        }) as any,
+    );
+
+    render(<Index />);
+
+    await waitFor(() => {
+      expect(screen.getByRole('button', { name: /立即清理/ })).not.toBeDisabled();
+    });
+
+    currentTabId = 2;
+
+    fireEvent.click(screen.getByRole('button', { name: /立即清理/ }));
+    fireEvent.click(screen.getByRole('button', { name: /确认清理/ }));
+
+    await waitFor(() => {
+      expect(clearStorage).not.toHaveBeenCalled();
+      expect(toast.warning).toHaveBeenCalledWith('当前标签页已切换，请等待数据刷新后再清理');
+    });
+  });
 });
diff --git a/src/pages/StorageCleaner/index.tsx b/src/pages/StorageCleaner/index.tsx
index 4557f2d..1d31f87 100644
--- a/src/pages/StorageCleaner/index.tsx
+++ b/src/pages/StorageCleaner/index.tsx
@@ -15,6 +15,7 @@ export default function Index() {
     sizes,
     reloadAfterClean,
     loading,
+    isRefreshingSizes,
     result,
     showConfirm,
     setShowConfirm,
@@ -26,7 +27,7 @@ export default function Index() {
     handleClean,
   } = useStorageCleaner();
 
-  const isButtonDisabled = !(someSelected || allSelected) || loading;
+  const isButtonDisabled = !(someSelected || allSelected) || loading || isRefreshingSizes;
 
   if (isInitializing) {
     return (
diff --git a/src/pages/StorageCleaner/useStorageCleaner.ts b/src/pages/StorageCleaner/useStorageCleaner.ts
index 437d1df..a3588a3 100644
--- a/src/pages/StorageCleaner/useStorageCleaner.ts
+++ b/src/pages/StorageCleaner/useStorageCleaner.ts
@@ -75,6 +75,7 @@ export interface UseStorageCleanerReturn {
   sizes: Record<string, StorageSizeInfo>;
   reloadAfterClean: boolean;
   loading: boolean;
+  isRefreshingSizes: boolean;
   result: CleaningResult | null;
   showConfirm: boolean;
   setShowConfirm: (show: boolean) => void;
@@ -95,10 +96,12 @@ export function useStorageCleaner(): UseStorageCleanerReturn {
   const [sizes, setSizes] = useState<Record<string, StorageSizeInfo>>({});
   const [reloadAfterClean, setReloadAfterClean] = useState<boolean>(true);
   const [loading, setLoading] = useState<boolean>(false);
+  const [isRefreshingSizes, setIsRefreshingSizes] = useState<boolean>(false);
   const [result, setResult] = useState<CleaningResult | null>(null);
   const [showConfirm, setShowConfirm] = useState<boolean>(false);
 
   const requestIdRef = useRef<number>(0);
+  const boundTabRef = useRef<{ id: number; url: string } | null>(null);
   const debounceTimerRef = useRef<NodeJS.Timeout | null>(null);
   const storageTimerRef = useRef<NodeJS.Timeout | null>(null);
   const loadingRef = useRef(loading);
@@ -117,6 +120,7 @@ export function useStorageCleaner(): UseStorageCleanerReturn {
   // 核心数据拉取链条
   const loadInfo = useCallback(async () => {
     const currentRequestId = ++requestIdRef.current;
+    setIsRefreshingSizes(true);
     try {
       const tab = await getCurrentTab();
       if (currentRequestId !== requestIdRef.current) return;
@@ -159,6 +163,7 @@ export function useStorageCleaner(): UseStorageCleanerReturn {
         cacheStorage: { value: cacheCount, displayType: 'count' },
         serviceWorkers: { value: swCount, displayType: 'count' },
       });
+      boundTabRef.current = { id: tabId, url };
     } catch (err) {
       console.error('Failed to load storage cleaner info:', err);
       if (currentRequestId === requestIdRef.current) {
@@ -167,6 +172,7 @@ export function useStorageCleaner(): UseStorageCleanerReturn {
     } finally {
       if (currentRequestId === requestIdRef.current) {
         setIsInitializing(false);
+        setIsRefreshingSizes(false);
       }
     }
   }, []);
@@ -256,6 +262,13 @@ export function useStorageCleaner(): UseStorageCleanerReturn {
       return;
     }
 
+    const boundTab = boundTabRef.current;
+    if (!boundTab || boundTab.id !== tab.id) {
+      toast.warning('当前标签页已切换，请等待数据刷新后再清理');
+      setShowConfirm(false);
+      return;
+    }
+
     setLoading(true);
     setShowConfirm(false);
     try {
@@ -297,6 +310,7 @@ export function useStorageCleaner(): UseStorageCleanerReturn {
     sizes,
     reloadAfterClean,
     loading,
+    isRefreshingSizes,
     result,
     showConfirm,
     setShowConfirm,
diff --git a/src/providers/RouterProvider.tsx b/src/providers/RouterProvider.tsx
index 81263b5..d72bf84 100644
--- a/src/providers/RouterProvider.tsx
+++ b/src/providers/RouterProvider.tsx
@@ -105,6 +105,8 @@ export function RouterProvider({
   );
 
   const [isLoaded, setIsLoaded] = useState(false);
+  const hasUserNavigatedRef = useRef(false);
+  const canPersistRef = useRef(false);
 
   /**
    * 从异步存储中安全溯源初始数据
@@ -119,7 +121,7 @@ export function RouterProvider({
       const savedPageOrder = await storageUtil.get(pageOrderKey, getDefaultPageOrder());
       const savedRecentTools = await storageUtil.get('app/recentlyUsedTools', []);
 
-      if (isValidPage(savedRoute) && syncRoute) {
+      if (isValidPage(savedRoute) && syncRoute && !hasUserNavigatedRef.current) {
         setCurrentPage(savedRoute);
       }
       if (isValidPageList(savedVisiblePages)) {
@@ -131,9 +133,11 @@ export function RouterProvider({
       if (isValidPageList(savedRecentTools)) {
         setRecentlyUsedTools(savedRecentTools);
       }
-      setIsLoaded(true);
+      canPersistRef.current = true;
     } catch (error) {
       console.error('[Router Init Error] Core data fetch failed:', error);
+    } finally {
+      setIsLoaded(true);
     }
   }, [defaultRoute, syncKey, syncRoute, visiblePagesKey, pageOrderKey]);
 
@@ -187,7 +191,7 @@ export function RouterProvider({
   }, [loadInitialData]);
 
   useEffect(() => {
-    if (isLoaded && syncRoute) {
+    if (isLoaded && canPersistRef.current && syncRoute) {
       void storageUtil.set(syncKey, currentPage as PageType).catch(console.error);
       try {
         localStorage.setItem(`snapshot/${syncKey}`, JSON.stringify(currentPage));
@@ -198,7 +202,7 @@ export function RouterProvider({
   }, [currentPage, isLoaded, syncRoute, syncKey]);
 
   useEffect(() => {
-    if (isLoaded) {
+    if (isLoaded && canPersistRef.current) {
       void storageUtil.set(visiblePagesKey, visiblePages).catch(console.error);
       try {
         localStorage.setItem(`snapshot/${visiblePagesKey}`, JSON.stringify(visiblePages));
@@ -209,7 +213,7 @@ export function RouterProvider({
   }, [visiblePages, isLoaded, visiblePagesKey]);
 
   useEffect(() => {
-    if (isLoaded) {
+    if (isLoaded && canPersistRef.current) {
       void storageUtil.set(pageOrderKey, pageOrder).catch(console.error);
       try {
         localStorage.setItem(`snapshot/${pageOrderKey}`, JSON.stringify(pageOrder));
@@ -220,7 +224,7 @@ export function RouterProvider({
   }, [pageOrder, isLoaded, pageOrderKey]);
 
   useEffect(() => {
-    if (isLoaded) {
+    if (isLoaded && canPersistRef.current) {
       void storageUtil.set('app/recentlyUsedTools', recentlyUsedTools).catch(console.error);
       try {
         localStorage.setItem('snapshot/app/recentlyUsedTools', JSON.stringify(recentlyUsedTools));
@@ -283,6 +287,8 @@ export function RouterProvider({
   }, [syncRoute, syncKey, visiblePagesKey, pageOrderKey]);
 
   const navigateTo = (page: PageType) => {
+    hasUserNavigatedRef.current = true;
+    canPersistRef.current = true;
     setCurrentPage(page);
     setRecentlyUsedTools((prev) => {
       const filtered = prev.filter((p) => p !== page);
@@ -291,6 +297,8 @@ export function RouterProvider({
   };
 
   const goHome = () => {
+    hasUserNavigatedRef.current = true;
+    canPersistRef.current = true;
     setCurrentPage('dashboard');
   };
 
diff --git a/src/providers/__tests__/RouterProvider.test.tsx b/src/providers/__tests__/RouterProvider.test.tsx
index b71640f..f9830bb 100644
--- a/src/providers/__tests__/RouterProvider.test.tsx
+++ b/src/providers/__tests__/RouterProvider.test.tsx
@@ -323,6 +323,51 @@ describe('RouterProvider', () => {
     });
   });
 
+  it('初始化失败时仍应解除加载状态以便渲染页面', async () => {
+    (storageUtil.get as any).mockRejectedValue(new Error('Storage unavailable'));
+
+    render(
+      <RouterProvider>
+        <TestComponent />
+      </RouterProvider>,
+    );
+
+    await waitFor(() => {
+      expect(screen.getByTestId('current-page')).toHaveTextContent('dashboard');
+    });
+    expect(storageUtil.set).not.toHaveBeenCalled();
+  });
+
+  it('用户在 loadInitialData 完成前导航时不应被存储路由覆盖', async () => {
+    let resolveGet: () => void;
+    const getBlocked = new Promise<void>((resolve) => {
+      resolveGet = resolve;
+    });
+
+    (storageUtil.get as any).mockImplementation(async (key: string, defaultValue: unknown) => {
+      await getBlocked;
+      if (key === 'app/currentRoute') return 'dashboard';
+      return defaultValue;
+    });
+
+    render(
+      <RouterProvider>
+        <TestComponent />
+      </RouterProvider>,
+    );
+
+    await act(async () => {
+      fireEvent.click(screen.getByTestId('navigate-btn'));
+    });
+    expect(screen.getByTestId('current-page')).toHaveTextContent('timestamp');
+
+    resolveGet!();
+    await waitFor(() => {
+      expect(screen.getByTestId('current-page')).toHaveTextContent('timestamp');
+      expect(storageUtil.set).toHaveBeenCalledWith('app/currentRoute', 'timestamp');
+    });
+  });
+
   it('组件卸载时不应设置 isLoaded 状态（竞态条件防护）', async () => {
     let resolveStorage: (value: unknown) => void;
     const storagePromise = new Promise((resolve) => {
diff --git a/src/utils/__tests__/useStorageState.test.ts b/src/utils/__tests__/useStorageState.test.ts
index 642bddf..3f56489 100644
--- a/src/utils/__tests__/useStorageState.test.ts
+++ b/src/utils/__tests__/useStorageState.test.ts
@@ -166,4 +166,18 @@ describe('useStorageState', () => {
 
     expect(result.current[2]).toBe(false);
   });
+
+  it('加载失败时不应把快照默认值写回 Chrome Storage', async () => {
+    localStorage.setItem('snapshot/app/searchHistory', JSON.stringify([]));
+
+    (storageUtil.get as any).mockRejectedValue(new Error('Storage read failed'));
+
+    renderHook(() =>
+      useStorageState('app/searchHistory', [], (val): val is string[] => Array.isArray(val)),
+    );
+
+    await waitFor(() => {
+      expect(storageUtil.set).not.toHaveBeenCalled();
+    });
+  });
 });
diff --git a/src/utils/useStorageState.ts b/src/utils/useStorageState.ts
index 71d0241..94782a4 100644
--- a/src/utils/useStorageState.ts
+++ b/src/utils/useStorageState.ts
@@ -1,4 +1,11 @@
-import { useEffect, useRef, useState } from 'react';
+import {
+  useCallback,
+  useEffect,
+  useRef,
+  useState,
+  type Dispatch,
+  type SetStateAction,
+} from 'react';
 import { storageUtil } from '@/utils/chromeStorage';
 import { getSyncSnapshot } from '@/utils/syncSnapshot';
 import type { StorageSchema } from '@/types/storage';
@@ -8,11 +15,18 @@ export const useStorageState = <K extends keyof StorageSchema>(
   defaultValue: StorageSchema[K],
   validator?: (val: unknown) => val is StorageSchema[K],
 ) => {
-  const [value, setValue] = useState<StorageSchema[K]>(() =>
+  const [value, setValueInternal] = useState<StorageSchema[K]>(() =>
     getSyncSnapshot(key as string, defaultValue, validator),
   );
   const [isInitialized, setIsInitialized] = useState(false);
   const hasLoadedFromStorage = useRef(false);
+  const loadSucceededRef = useRef(false);
+  const userModifiedRef = useRef(false);
+
+  const setValue = useCallback<Dispatch<SetStateAction<StorageSchema[K]>>>((next) => {
+    userModifiedRef.current = true;
+    setValueInternal(next);
+  }, []);
 
   // Only load from storage once on mount
   useEffect(() => {
@@ -24,15 +38,17 @@ export const useStorageState = <K extends keyof StorageSchema>(
       try {
         const savedValue = await storageUtil.get(key, defaultValue);
         if (cancelled) return;
+        loadSucceededRef.current = true;
         if (savedValue !== undefined) {
           if (validator) {
-            setValue(validator(savedValue) ? savedValue : defaultValue);
+            setValueInternal(validator(savedValue) ? savedValue : defaultValue);
           } else {
-            setValue(savedValue);
+            setValueInternal(savedValue);
           }
         }
       } catch (error) {
         console.error(`加载状态失败 (${key}):`, error);
+        loadSucceededRef.current = false;
       } finally {
         if (!cancelled) {
           setIsInitialized(true);
@@ -51,6 +67,7 @@ export const useStorageState = <K extends keyof StorageSchema>(
   // Save to storage and localStorage snapshot when value changes (after initial load)
   useEffect(() => {
     if (!isInitialized) return;
+    if (!loadSucceededRef.current && !userModifiedRef.current) return;
 
     const saveState = async () => {
       try {