update 采集是判断设备重连以及监听设备断开链接的时间

app/api/controller/DataCollectController.php

@@ -182,6 +182,7 @@ class DataCollectController extends BaseApiController
                     ];
                     DeviceOffline::create($addData);
                 }
+                return $this->success('接收成功');
             }
         } catch (Exception $e) {
             return $this->fail($e->getMessage());