diff --git a/i18n/locales/en/rightClickRestorer.json b/i18n/locales/en/rightClickRestorer.json
index 7bcee1a..897a416 100644
--- a/i18n/locales/en/rightClickRestorer.json
+++ b/i18n/locales/en/rightClickRestorer.json
@@ -5,6 +5,8 @@
   "currentDomain": "Current Domain",
   "statusLocked": "Locked",
   "statusUnlocked": "Unlocked",
+  "unsupported": "Unsupported",
+  "unsupportedDesc": "The current page is a browser internal or extension page. Right-click unlock is not available. Please switch to a regular webpage.",
   "unlockDesc": "Click the button below to temporarily unlock the right-click menu for the current website. You will need to unlock again after refreshing the page.",
   "unlockBtn": "Unlock Right Click",
   "alreadyUnlocked": "Right Click Unlocked"
diff --git a/i18n/locales/zh/rightClickRestorer.json b/i18n/locales/zh/rightClickRestorer.json
index fb5cb85..4c6bd34 100644
--- a/i18n/locales/zh/rightClickRestorer.json
+++ b/i18n/locales/zh/rightClickRestorer.json
@@ -5,6 +5,8 @@
   "currentDomain": "当前域名",
   "statusLocked": "未解锁",
   "statusUnlocked": "已解锁",
+  "unsupported": "不支持",
+  "unsupportedDesc": "当前页面为浏览器内部页面或扩展页面，无法解锁右键功能。请切换到普通网页后重试。",
   "unlockDesc": "点击下方按钮，为当前网站临时解锁右键菜单。刷新页面后需要重新解锁。",
   "unlockBtn": "解锁当前网站右键",
   "alreadyUnlocked": "右键已解锁"
diff --git a/pages/RightClickRestorer/__tests__/index.test.tsx b/pages/RightClickRestorer/__tests__/index.test.tsx
index b355971..bc450b4 100644
--- a/pages/RightClickRestorer/__tests__/index.test.tsx
+++ b/pages/RightClickRestorer/__tests__/index.test.tsx
@@ -9,6 +9,7 @@ vi.mock('../useRightClickRestorer', () => ({
     domain: 'example.com',
     isLoading: false,
     isUnlocked: false,
+    isUnsupported: false,
     unlock: mockUnlock,
   }),
 }));
diff --git a/pages/RightClickRestorer/__tests__/useRightClickRestorer.test.ts b/pages/RightClickRestorer/__tests__/useRightClickRestorer.test.ts
index 4f1b414..929051e 100644
--- a/pages/RightClickRestorer/__tests__/useRightClickRestorer.test.ts
+++ b/pages/RightClickRestorer/__tests__/useRightClickRestorer.test.ts
@@ -27,9 +27,23 @@ describe('useRightClickRestorer', () => {
 
     expect(result.current.domain).toBe('example.com');
     expect(result.current.isUnlocked).toBe(false);
+    expect(result.current.isUnsupported).toBe(false);
     expect(sendMessageToContent).toHaveBeenCalledWith('queryRightClickStatus');
   });
 
+  it('should mark internal pages as unsupported', async () => {
+    mockTabsQuery.mockResolvedValue([{ url: 'chrome://newtab/' }]);
+    chrome.tabs.query = mockTabsQuery;
+
+    const { result } = renderHook(() => useRightClickRestorer());
+
+    await waitFor(() => expect(result.current.isLoading).toBe(false));
+
+    expect(result.current.isUnsupported).toBe(true);
+    expect(result.current.isUnlocked).toBe(false);
+    expect(sendMessageToContent).not.toHaveBeenCalled();
+  });
+
   it('should unlock right click', async () => {
     vi.mocked(sendMessageToContent).mockResolvedValueOnce({ success: true, restored: false });
     vi.mocked(sendMessageToContent).mockResolvedValueOnce({ success: true, restored: true });
@@ -46,6 +60,22 @@ describe('useRightClickRestorer', () => {
     expect(sendMessageToContent).toHaveBeenLastCalledWith('restoreRightClick');
   });
 
+  it('should not unlock unsupported pages', async () => {
+    mockTabsQuery.mockResolvedValue([{ url: 'chrome://settings/' }]);
+    chrome.tabs.query = mockTabsQuery;
+
+    const { result } = renderHook(() => useRightClickRestorer());
+
+    await waitFor(() => expect(result.current.isLoading).toBe(false));
+
+    await act(async () => {
+      await result.current.unlock();
+    });
+
+    expect(result.current.isUnlocked).toBe(false);
+    expect(sendMessageToContent).not.toHaveBeenCalled();
+  });
+
   it('should handle sendMessage failure gracefully', async () => {
     vi.mocked(sendMessageToContent).mockRejectedValue(new Error('Connection failed'));
 
diff --git a/pages/RightClickRestorer/index.tsx b/pages/RightClickRestorer/index.tsx
index 4b49ccb..31194c2 100644
--- a/pages/RightClickRestorer/index.tsx
+++ b/pages/RightClickRestorer/index.tsx
@@ -1,13 +1,13 @@
 import { Button } from '@/components/ui/button';
 import { Label } from '@/components/ui/label';
 import { Badge } from '@/components/ui/badge';
-import { Shield, ShieldCheck, MousePointerClick } from 'lucide-react';
+import { Shield, ShieldCheck, MousePointerClick, AlertTriangle } from 'lucide-react';
 import { useRightClickRestorer } from './useRightClickRestorer';
 import { useLazyTranslation } from '@/utils/useLazyTranslation';
 
 export default function RightClickRestorerPage() {
   const { t } = useLazyTranslation('rightClickRestorer');
-  const { domain, isLoading, isUnlocked, unlock } = useRightClickRestorer();
+  const { domain, isLoading, isUnlocked, isUnsupported, unlock } = useRightClickRestorer();
 
   if (isLoading) {
     return (
@@ -29,7 +29,12 @@ export default function RightClickRestorerPage() {
             <code className="text-sm bg-muted px-2 py-1 rounded truncate min-w-0 flex-1">
               {domain || '—'}
             </code>
-            {isUnlocked ? (
+            {isUnsupported ? (
+              <Badge variant="destructive" className="gap-1 shrink-0">
+                <AlertTriangle className="h-3 w-3" />
+                {t('rightClickRestorer:unsupported')}
+              </Badge>
+            ) : isUnlocked ? (
               <Badge variant="default" className="gap-1 bg-green-600 hover:bg-green-700 shrink-0">
                 <ShieldCheck className="h-3 w-3" />
                 {t('rightClickRestorer:statusUnlocked')}
@@ -47,18 +52,32 @@ export default function RightClickRestorerPage() {
       {/* Unlock Action */}
       <div className="w-full rounded-xl border border-border bg-card text-card-foreground shadow-sm overflow-hidden transition-all">
         <div className="p-4 space-y-3">
-          <p className="text-xs text-muted-foreground">{t('rightClickRestorer:unlockDesc')}</p>
-          <Button
-            className="w-full gap-2"
-            onClick={() => void unlock()}
-            disabled={isUnlocked}
-            variant={isUnlocked ? 'secondary' : 'default'}
-          >
-            <MousePointerClick className="h-4 w-4" />
-            {isUnlocked
-              ? t('rightClickRestorer:alreadyUnlocked')
-              : t('rightClickRestorer:unlockBtn')}
-          </Button>
+          {isUnsupported ? (
+            <>
+              <p className="text-xs text-muted-foreground">
+                {t('rightClickRestorer:unsupportedDesc')}
+              </p>
+              <Button className="w-full gap-2" disabled variant="secondary">
+                <AlertTriangle className="h-4 w-4" />
+                {t('rightClickRestorer:unsupported')}
+              </Button>
+            </>
+          ) : (
+            <>
+              <p className="text-xs text-muted-foreground">{t('rightClickRestorer:unlockDesc')}</p>
+              <Button
+                className="w-full gap-2"
+                onClick={() => void unlock()}
+                disabled={isUnlocked}
+                variant={isUnlocked ? 'secondary' : 'default'}
+              >
+                <MousePointerClick className="h-4 w-4" />
+                {isUnlocked
+                  ? t('rightClickRestorer:alreadyUnlocked')
+                  : t('rightClickRestorer:unlockBtn')}
+              </Button>
+            </>
+          )}
         </div>
       </div>
     </div>
diff --git a/pages/RightClickRestorer/useRightClickRestorer.ts b/pages/RightClickRestorer/useRightClickRestorer.ts
index 558d42b..f7abeb4 100644
--- a/pages/RightClickRestorer/useRightClickRestorer.ts
+++ b/pages/RightClickRestorer/useRightClickRestorer.ts
@@ -1,10 +1,29 @@
 import { useCallback, useEffect, useState } from 'react';
 import { MessageAction, sendMessageToContent } from '@/utils/messages';
 
+const UNSUPPORTED_PROTOCOLS = new Set([
+  'chrome:',
+  'chrome-extension:',
+  'about:',
+  'edge:',
+  'brave:',
+]);
+
+function isUnsupportedPage(url: string | undefined): boolean {
+  if (!url) return true;
+  try {
+    const protocol = new URL(url).protocol;
+    return UNSUPPORTED_PROTOCOLS.has(protocol);
+  } catch {
+    return true;
+  }
+}
+
 export interface UseRightClickRestorerReturn {
   domain: string;
   isLoading: boolean;
   isUnlocked: boolean;
+  isUnsupported: boolean;
   unlock: () => Promise<void>;
 }
 
@@ -12,19 +31,28 @@ export function useRightClickRestorer(): UseRightClickRestorerReturn {
   const [domain, setDomain] = useState<string>('');
   const [isLoading, setIsLoading] = useState<boolean>(true);
   const [isUnlocked, setIsUnlocked] = useState<boolean>(false);
+  const [isUnsupported, setIsUnsupported] = useState<boolean>(false);
 
   useEffect(() => {
     const load = async () => {
       try {
         const [tab] = await chrome.tabs.query({ active: true, currentWindow: true });
-        if (tab?.url) {
+        const url = tab?.url;
+
+        if (url) {
           try {
-            setDomain(new URL(tab.url).hostname);
+            setDomain(new URL(url).hostname);
           } catch {
             setDomain('');
           }
         }
 
+        if (isUnsupportedPage(url)) {
+          setIsUnsupported(true);
+          setIsLoading(false);
+          return;
+        }
+
         const response = await sendMessageToContent(MessageAction.QUERY_RIGHT_CLICK_STATUS);
         if (response?.success) {
           setIsUnlocked(response.restored);
@@ -40,6 +68,8 @@ export function useRightClickRestorer(): UseRightClickRestorerReturn {
   }, []);
 
   const unlock = useCallback(async () => {
+    if (isUnsupported) return;
+
     try {
       const response = await sendMessageToContent(MessageAction.RESTORE_RIGHT_CLICK);
       if (response?.success) {
@@ -48,12 +78,13 @@ export function useRightClickRestorer(): UseRightClickRestorerReturn {
     } catch (err) {
       console.error('[RightClickRestorer] Failed to unlock:', err);
     }
-  }, []);
+  }, [isUnsupported]);
 
   return {
     domain,
     isLoading,
     isUnlocked,
+    isUnsupported,
     unlock,
   };
 }