解决党组织页面卡死的问题

src/views/modules/communityParty/partyOrg/orgTree.vue

@@ -149,11 +149,9 @@ export default {
       }
     }
   },
-  mounted () {
+  async mounted () {
     this.epmetResultResolver = new EpmetResultResolver(this);
-
     this.handleLoadTreeRoot();
-
     this.$nextTick(() => {
       this.searchH = this.$refs.searchCard.$el.offsetHeight
       console.log('tableHeight', this.tableHeight)
@@ -258,7 +256,10 @@ export default {
       let url = "/actual/base/party/org/listPartyOrgTreeRoot";
       let rst = await requestGet(url, {})
       this.epmetResultResolver.success((data) => {
-        this.partyOrgTree.length = 0
+        if (!data) {
+            return;
+        }
+        this.partyOrgTree=[]
         this.partyOrgTree.push(data);
         this.tableKey = new Date().getTime();
         // 默认加载2级，并且展开，从第三级开始，需要展开上一级动态查询得到
@@ -267,6 +268,7 @@ export default {
           this.$nextTick(() => {
             document.getElementsByClassName('el-table__expand-icon')[0].click();
           });
+        }else{
         }
       }).parse(rst);      
     },