fix: ui

src/view/memberGroup/delete-deactive-dialog.vue

 <template>
   <el-dialog :visible.sync="visible" custom-class="delete-dialog" width="416px" @close="onClose">
     <div class="dialog-content">
-      <i class="el-alert__icon el-icon-warning is-big icon" />
+      <i class="el-alert__icon el-icon-warning is-big icons" />
       <h2>{{ title }}</h2>
       <div v-loading="loading">
         <p class="desc">{{ desc }}</p>
@@ -132,7 +132,7 @@ export default {
 .ml10 {
   margin-left: 10px;
 }
-.icon {
+.icons {
   font-size: 21px;
   position: absolute;
   color: #fa8c16;