你好，我在运行test的时候没有输出，但是在运行demo的时候却可以进行识别

[BuridanDonkey]

Traceback (most recent call last):
File "D:\Yolov5\entire\Ultra-Fast-Lane-Detection\test.py", line 48, in
eval_lane(net, cfg.dataset, cfg.data_root, cfg.test_work_dir, cfg.griding_num, False, distributed)
File "D:\Yolov5\entire\Ultra-Fast-Lane-Detection\evaluation\eval_wrapper.py", line 159, in eval_lane
res = LaneEval.bench_one_submit(os.path.join(work_dir,exp_name + '.txt'),os.path.join(data_root,'test_label.json'))
File "D:\Yolov5\entire\Ultra-Fast-Lane-Detection\evaluation\tusimple\lane.py", line 63, in bench_one_submit
raise Exception('We do not get the predictions of all the test tasks')
Exception: We do not get the predictions of all the test tasks