diff --git a/src/layouts/MainLayout.vue b/src/layouts/MainLayout.vue
index 4bfc47f..28511b1 100644
--- a/src/layouts/MainLayout.vue
+++ b/src/layouts/MainLayout.vue
@@ -100,10 +100,15 @@ const handleLogout = () => {
   overflow: hidden;
 }
 
-/* --- 侧边栏颜色保持原样 --- */
 .siderbar {
   background-color: #001529;
   color: white;
+  /* 禁止用户选中文字 */
+  user-select: none;
+  -webkit-user-select: none;
+  /* 兼容 Safari */
+  -moz-user-select: none;
+  /* 兼容 Firefox */
 }
 
 .sidebar-header {