使用convert_to_uff.py 将使用ssd_resnet50 网络训练好的pb文件转换为uff文件时，总是报错 输出节点找不到，怎么解决？报错如下
python /home/anaconda3/envs/tensorflow1.15/lib/python3.6/site-packages/uff/bin/convert_to_uff.py /home/PycharmProjects/tensorflow1.15/frozen_inference_graph.pb -l 得到的输出节点信息
python /home/anaconda3/envs/tensorflow1.15/lib/python3.6/site-packages/uff/bin/convert_to_uff.py /home/zxzn/frozen_inference_graph.pb -O ["detection_boxes","detection_scores","detection_classes","num_detections"]得到的报错信息