修改城市ID

src/main/java/com/huiju/estateagents/controller/HelpActivityController.java

     public ResponseBean helpActivityUpdate(@RequestBody String parameter) {
         ResponseBean responseBean = new ResponseBean();
         HelpActivity helpActivity = JSONObject.parseObject(parameter, HelpActivity.class);
+        Integer cityId = iTaBuildingService.getCityById( helpActivity.getBuildingId());
+        helpActivity.setCityId(cityId);
         helpActivity.setHelpActivityId(helpActivity.getHelpActivityId());
         taHelpActivityService.helpActivityUpdate(helpActivity);
         return responseBean;