订单入仓页面，选择储位有点问题，1、已选择储位后再次点击选择，会直接把已选储位清空；2、不好描述，可见单中视频附件

http://zentao.jdshangmen.com/bug-view-902.html

src/components/WarehouseAreaDialog/index.vue

@@ -91,7 +91,7 @@ export default {
       if (val) {
         this.opened = true
 
-        getByWarehouseId({cityId: this.cityId,warehouseId: this.warehouseId }).then(r => {
+        if (this.area.length === 0) getByWarehouseId({cityId: this.cityId,warehouseId: this.warehouseId }).then(r => {
           const area = r.data
           area.forEach(e => {
             // 仓库