diff --git a/src/App.vue b/src/App.vue
index d993f64..a5b719d 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -3,41 +3,25 @@
 </template>
 
 <script setup>
-import { onMounted, onUnmounted } from 'vue'
+import { onMounted } from 'vue'
 
 const TARGET_URL = 'https://bsh.yw.hnzhwlkj.cn'
 
-const isPcDevice = () => {
-  if (typeof navigator === 'undefined') return false
-  const mobileRegex = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i
-  return !mobileRegex.test(navigator.userAgent || '')
-}
-
-const redirectIfPc = () => {
-  if (typeof window === 'undefined') return
-  if (isPcDevice()) {
-    window.location.replace(TARGET_URL)
-  }
-}
-
-const handleResize = () => {
-  redirectIfPc()
-}
-
 onMounted(() => {
-  redirectIfPc()
-  if (typeof window !== 'undefined') {
-    window.addEventListener('resize', handleResize)
+  // 1. 检查 URL 参数（有参数 = 从另一个端跳转过来 = 停止检测）
+  if (window.location.search.includes('from_pc=1')) {
+    return // 不清理 URL，让它一直作为保护
   }
-})
 
-onUnmounted(() => {
-  if (typeof window !== 'undefined') {
-    window.removeEventListener('resize', handleResize)
+  // 2. PC 设备检测 + 跳转
+  const isPC = !/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)
+  
+  if (isPC) {
+    window.location.replace(`${TARGET_URL}?from_mobile=1`)
   }
 })
 </script>
 
 <style>
-html,body,#app { height: 100%; margin: 0; }
+html, body, #app { height: 100%; margin: 0; }
 </style>