update: 样式覆盖

src/view/manualTag/delete-tag-dialog.vue

 <template>
   <el-dialog :visible.sync="visible" custom-class="delete-dialog" width="416px" :show-close="false">
-    <div class="content">
+    <div class="delete-dialog-content">
       <i class="el-alert__icon el-icon-warning is-big icon" />
       <h2>确认删除该标签吗？</h2>
       <p class="desc">{{ desc }}</p>
@@ -87,7 +87,7 @@ export default {
 }
 .delete-dialog {
   position: relative;
-  .content {
+  .delete-dialog-content {
     padding: 5px 10px 4px 50px;
     h2 {
       color: #303133;