try {

                    $param = $request->all();

                    $param['building_id'] = 0;

                    $param['sync'] = 2; // 1小程序2App

                    $param['user_id'] = $receiveUser->id ?? 0;

                    $follow = FollowTool::follow($param);

                    if ($follow['status'] != 200) {

                        empty($follow['msg']) ? $msg = "未知错误 follow" : $msg = $follow['msg'] . ' follow';

                        return response()->json(['status' => 404, 'msg' => $msg]);

                    }

                } catch (\Exception $e) {

                    $msg = [

                        'file_path' => $e->getFile(),

                        'file_line' => $e->getLine(),

                        'message' => $e->getMessage() . ' follow',

                    ];

                    return response()->json(['status' => 404, 'msg' => '捕获异常错误', 'data' => $msg]);

                }