update

src/components/common/cityList.vue

@@ -3,6 +3,7 @@
     <van-picker
       show-toolbar
       title="标题"
+      :loading="loading"
       :columns="columns"
       @confirm="onConfirm"
     />
@@ -23,7 +24,7 @@ export default class cityList extends Vue {
   private province: any = ""; //省份
   private city: any = []; //市份
   private area: any = ""; //区，县
-
+  private loading: boolean = true;
   private columns: any = [
     {
       id: 0,
@@ -95,6 +96,7 @@ export default class cityList extends Vue {
         });
       });
     });
+    this.loading = false;
   }
 
   onConfirm(values: any) {