fix: 优化

src/views/home/navMenu.vue

@@ -46,6 +46,9 @@
       </template>
     </el-menu>
     <div class="user-area">
+      <span class="user-avatar">
+        <i class="el-icon-user"></i>
+      </span>
       <el-dropdown>
         <div size="mini" style="color: #fff">
           {{ userInfo && userInfo.realName
@@ -299,4 +302,16 @@ export default {
     margin-right: 10px;
   }
 }
+
+.user-avatar {
+  width: 24px;
+  height: 24px;
+  border: 1px solid #fff;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin-right: 10px;
+  font-size: 18px;
+}
 </style>