我用自己的coco数据集训练的yolodarknet模型，更改了默认的那个yml文件和reader文件，只更改了类别数和数据集的路径，结果出来的模型，所有的类别数都是person。

我想让他们显示自己的类别，应该怎么做？

我在reader.yml文件里面加上了use_default_label=false，但是这个标签好像不符合要求，报错，说这个标签是unexpected。

Error when construct COCODataSet instance from yaml config
Traceback (most recent call last):
File "tools/train.py", line 331, in
main()
File "tools/train.py", line 68, in main
cfg = load_config(FLAGS.config)
File "/home/aistudio/detection/PaddleDetection-release-0.2/ppdet/core/workspace.py", line 96, in load_config
merge_config(yaml.load(f, Loader=yaml.Loader))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/yaml/__init__.py", line 114, in load
return loader.get_single_data()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/yaml/constructor.py", line 43, in get_single_data
return self.construct_document(node)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/yaml/constructor.py", line 52, in construct_document
for dummy in generator:
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/yaml/constructor.py", line 404, in construct_yaml_map
value = self.construct_mapping(node)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/yaml/constructor.py", line 210, in construct_mapping
return super().construct_mapping(node, deep=deep)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/yaml/constructor.py", line 135, in construct_mapping
value = self.construct_object(value_node, deep=deep)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/yaml/constructor.py", line 92, in construct_object
data = constructor(self, node)
File "/home/aistudio/detection/PaddleDetection-release-0.2/ppdet/core/config/yaml_helpers.py", line 36, in python_constructor
raise ex
File "/home/aistudio/detection/PaddleDetection-release-0.2/ppdet/core/config/yaml_helpers.py", line 32, in python_constructor
return cls(**kwargs)
TypeError: __init__() got an unexpected keyword argument 'use_default_label'