diff --git a/frontend/src/components/GlobalConfig.jsx b/frontend/src/components/GlobalConfig.jsx
index 5bf07a0..43a21d0 100644
--- a/frontend/src/components/GlobalConfig.jsx
+++ b/frontend/src/components/GlobalConfig.jsx
@@ -206,6 +206,8 @@ const GlobalConfig = ({ currentUser }) => {
       const m = await api.getConfigMeta()
       setConfigMeta(m || null)
     } catch (e) {
+      // 静默失败，可能是权限问题
+      console.error('loadConfigMeta failed:', e)
       setConfigMeta(null)
     }
   }
@@ -281,15 +283,16 @@ const GlobalConfig = ({ currentUser }) => {
   useEffect(() => {
     loadUsers()
     loadAccounts()
+    // 只有管理员才加载配置和系统状态
     if (isAdmin) {
-      loadConfigMeta()
-      loadConfigs()
-      loadSystemStatus()
-      loadBackendStatus()
+      loadConfigMeta().catch(() => {}) // 静默失败
+      loadConfigs().catch(() => {}) // 静默失败
+      loadSystemStatus().catch(() => {}) // 静默失败
+      loadBackendStatus().catch(() => {}) // 静默失败
       
       const timer = setInterval(() => {
-        loadSystemStatus()
-        loadBackendStatus()
+        loadSystemStatus().catch(() => {})
+        loadBackendStatus().catch(() => {})
       }, 3000)
       return () => clearInterval(timer)
     }
@@ -681,6 +684,9 @@ const GlobalConfig = ({ currentUser }) => {
     }
   }
 
+  // 必须在所有使用之前定义 isAdmin
+  const isAdmin = (currentUser?.role || '') === 'admin'
+
   if (loading) {
     return <div className="global-config">加载中...</div>
   }