diff --git a/src/frontend/src/App.tsx b/src/frontend/src/App.tsx
index ea7ea783b..19710cdc0 100644
--- a/src/frontend/src/App.tsx
+++ b/src/frontend/src/App.tsx
@@ -172,14 +172,14 @@ export default function App() {
 
   // 动态路由根据权限
   const router = useMemo(() => {
-    if (['admin', 'group_admin'].includes(user.role)) return getAdminRouter()
+    if (user && ['admin', 'group_admin'].includes(user.role)) return getAdminRouter()
     return user?.user_id ? getPrivateRouter(user.web_menu) : null
   }, [user])
 
   return (
     //need parent component with width and height
     <div className="flex h-full flex-col">
-      {(user?.user_id || noAuthPages.includes(path)) ? <RouterProvider router={router} />
+      {(user?.user_id || noAuthPages.includes(path)) && router ? <RouterProvider router={router} />
         : user ? <div className="loading"></div>
           : <RouterProvider router={publicRouter} />}
       <div></div>
diff --git a/src/frontend/src/pages/ChatAppPage/chatShare.tsx b/src/frontend/src/pages/ChatAppPage/chatShare.tsx
index c7ac7955c..09508d6d0 100644
--- a/src/frontend/src/pages/ChatAppPage/chatShare.tsx
+++ b/src/frontend/src/pages/ChatAppPage/chatShare.tsx
@@ -15,7 +15,7 @@ export default function chatShare() {
         const params = [];
 
         if (libId) params.push(`knowledge_id=${libId}`);
-        if (tweak) params.push(`tweak=${tweak}`);
+        if (tweak) params.push(`tweak=${encodeURIComponent(tweak)}`);
 
         const paramStr = params.length > 0 ? `${params.join('&')}` : '';
 
diff --git a/src/frontend/src/routes.tsx b/src/frontend/src/routes.tsx
index d757abe54..0526cf500 100755
--- a/src/frontend/src/routes.tsx
+++ b/src/frontend/src/routes.tsx
@@ -131,6 +131,7 @@ export const getAdminRouter = () => {
 export const publicRouter = createBrowserRouter([
   { path: "/", element: <LoginPage /> },
   { path: "/reset", element: <ResetPwdPage /> },
+  { path: "/chat/:id/", element: <ChatShare /> },
   { path: "*", element: <LoginPage /> }
 ],
   baseConfig)