鼠标放在头像处也能触发个人信息下拉框

src/page/index/top/index.vue

@@ -74,12 +74,14 @@
              @click="handleScreen"></i>
         </div>
       </el-tooltip>
-      <img class="top-bar__img"
-           :src="userInfo.avatar">
       <el-dropdown>
-        <span class="el-dropdown-link">
-          {{userInfo.userName}}
-          <i class="el-icon-arrow-down el-icon--right"></i>
+        <span>
+          <img class="top-bar__img"
+              :src="userInfo.avatar">
+          <span class="el-dropdown-link">
+            {{userInfo.userName}}
+            <i class="el-icon-arrow-down el-icon--right"></i>
+          </span>
         </span>
         <el-dropdown-menu slot="dropdown">
           <el-dropdown-item>