fix:解决ios设备兼容问题

frontend/src/App.vue

@@ -7,6 +7,10 @@
 <style>
 #app {
   height: 100vh;
+  width: 100%;
+  height: 100%;
+  overflow-y: auto;
+  -webkit-overflow-scrolling: touch;
 }
 :root {
   --theme-color: #3e3e3e;
@@ -34,6 +38,13 @@ body {
   word-wrap: break-word;
 }
 
+body {
+  position: fixed;
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+}
+
 /* 移动端全局样式 */
 @media screen and (max-width: 768px) {
   #app {

frontend/src/views/mobile/Home.vue

@@ -164,8 +164,6 @@ const handleLogout = () => {
     padding-bottom: 100px; // tabbar高度 + 底部安全区域
     box-sizing: border-box;
     flex: 1;
-    overflow-y: auto;
-    -webkit-overflow-scrolling: touch;
   }
 
   // 加载状态