diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 90b784c..19b0ea6 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -98,6 +98,9 @@ function App() {
     }
   }, [showUserPopover])
   
+  // 必须在定义 effectiveUserId 之前定义 isAdmin
+  const isAdmin = (me?.role || '') === 'admin'
+  
   // 当前查看的用户信息
   const currentViewingUser = users.find((u) => parseInt(String(u?.id || ''), 10) === viewingUserId)
   const effectiveUserId = isAdmin && viewingUserId ? viewingUserId : parseInt(String(me?.id || ''), 10)
@@ -118,8 +121,6 @@ function App() {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [])
 
-  const isAdmin = (me?.role || '') === 'admin'
-
   if (checking) {
     return (
       <div className="app">