diff --git a/src/pages/LoginPage.jsx b/src/pages/LoginPage.jsx
index 7a99a63..2980a2a 100644
--- a/src/pages/LoginPage.jsx
+++ b/src/pages/LoginPage.jsx
@@ -1,5 +1,5 @@
 import { useState } from 'react'
-import { useNavigate, useLocation, Navigate } from 'react-router-dom'
+import { useLocation, Navigate } from 'react-router-dom'
 import { Button, Card, Checkbox, Input, Toast } from 'antd-mobile'
 import { useAuth } from '../auth/AuthContext.jsx'
 
@@ -7,7 +7,6 @@ import { useAuth } from '../auth/AuthContext.jsx'
 // 使用 antd-mobile: Input / Checkbox / Button / Card / Toast
 export default function LoginPage() {
   const { user, login } = useAuth()
-  const navigate = useNavigate()
   const location = useLocation()
   const from = location.state?.from?.pathname || '/'
 
@@ -17,6 +16,9 @@ export default function LoginPage() {
   const [busy, setBusy] = useState(false)
   const [err, setErr] = useState('')
 
+  // 登录成功后 user 会变成非空, 由顶部 <Navigate to={from} replace/> 负责可靠跳转
+  // 不能在 onSubmit 里手动 navigate: setUser 是异步的, 在它提交前导航会切到受保护页,
+  // 此时 user 仍为 null 被 RequireAuth 立刻踢回 /login, 造成"提示成功却进不去"
   if (user) return <Navigate to={from} replace />
 
   async function onSubmit(e) {
@@ -26,7 +28,6 @@ export default function LoginPage() {
     try {
       await login(email.trim(), password, remember)
       Toast.show({ icon: 'success', content: '登录成功' })
-      navigate(from, { replace: true })
     } catch (e) {
       setErr(e.message)
     } finally {