修改

src/layout/components/header.vue

@@ -45,7 +45,7 @@
           <!--          <img :src="avatar" class="user-avatar">-->
           <i class="el-icon-caret-bottom" />
         </div>
-        <el-dropdown-menu slot="dropdown" class="user-dropdown">
+        <el-dropdown-menu slot="dropdown" class="header-user-dropdown">
           <el-dropdown-item>
             <router-link to="/reSetPsw">
               修改密码
@@ -204,7 +204,6 @@ export default {
     }
     .avatar-container {
       margin-right: 30px;
-
       .avatar-wrapper {
         position: relative;
         height: 40px;
@@ -230,6 +229,14 @@ export default {
 }
 </style>
 <style lang="scss">
+.header-user-dropdown{
+  .el-dropdown-menu__item{
+    &:hover {
+      background-color: #f3f3f3!important;
+      color: #D20A10!important;
+    }
+  }
+}
 .navbar {
   .right-menu {
     .el-badge {