修改下拉菜单icon的样式

src/view/memberGroup/tags-group.vue

@@ -9,7 +9,7 @@
             <el-button @click="showDelPop = false">取消</el-button>
             <el-button type="primary" @click="delTagsGroup">确认</el-button>
           </div>
-          <i slot="reference" class="el-icon-more"></i>
+          <i slot="reference" class="el-icon-more more"></i>
         </el-popover>
         <el-dropdown-menu slot="dropdown">
           <el-dropdown-item v-if="showAddMenu" @click.native="addTags">添加标签</el-dropdown-item>
@@ -158,6 +158,13 @@ export default {
     z-index: 1;
     padding: 0 8px;
     height: 20px;
+    .more {
+      color: #909399;
+      cursor: pointer;
+      &:hover {
+        color: #303133;
+      }
+    }
   }
 
   .tags-group__show {