好办小程序埋点概览接口调整

haoban-manage3-web/src/main/java/com/gic/haoban/manage/web/controller/EventTrackingController.java

@@ -66,7 +66,7 @@ public class EventTrackingController extends NewBaseController {
     public RestResponse<WechatEventTrackingOverviewVO> overview(@RequestBody WechatOverviewQO qo) {
         Map<String, Object> res = DataApiUtils.http(getOverviewParam(qo).toJSONString(), "data_point_anal_hb_app_overview");
         List<JSONObject> list = DataApiUtils.getDataList(res);
-        return RestResponse.successResult(CollectionUtils.isEmpty(list) ? null : JSONObject.parseObject(JSON.toJSONString(list.get(0)), WechatEventTrackingOverviewVO.class));
+        return RestResponse.successResult(CollectionUtils.isEmpty(list) ? new WechatEventTrackingOverviewVO() : JSONObject.parseObject(JSON.toJSONString(list.get(0)), WechatEventTrackingOverviewVO.class));
     }
 
     /**