diff --git a/src/components/NotificationTestTool/index.js b/src/components/NotificationTestTool/index.js
index ab8c89ec..51f09b64 100644
--- a/src/components/NotificationTestTool/index.js
+++ b/src/components/NotificationTestTool/index.js
@@ -30,6 +30,11 @@ import { SOCKET_TYPE } from '../../services/socket';
 import { NOTIFICATION_TYPES, PRIORITY_LEVELS } from '../../constants/notificationTypes';
 
 const NotificationTestTool = () => {
+    // 只在开发环境显示 - 必须在所有 Hooks 调用之前检查
+    if (process.env.NODE_ENV !== 'development') {
+        return null;
+    }
+
     const { isOpen, onToggle } = useDisclosure();
     const { addNotification, soundEnabled, toggleSound, isConnected, clearAllNotifications, notifications, browserPermission, requestBrowserPermission } = useNotification();
     const [testCount, setTestCount] = useState(0);
@@ -122,11 +127,6 @@ const NotificationTestTool = () => {
         await requestBrowserPermission();
     };
 
-    // 只在开发环境显示
-    if (process.env.NODE_ENV !== 'development') {
-        return null;
-    }
-
     // 公告通知测试数据
     const testAnnouncement = () => {
         addNotification({