for example ABC sometimes AB , C ,sometimes BC i add them to dictionary_path . and when i train-nlu "entities must span whole tokens Wrong entity start " and “Wrong entity end” .And many training data reported this error，not just this situation.
Please submit an issue on GitHub, that’s the better place for such things.
@howlanderson thanks for sending them to github 
@weilingfeng1996 yeah please open a github issue, if there’s an actual bug with our code it’s always best to put it there
你需要指定的是目录地址, 而非词典文件本身的地址(所以目录里最好也别有能被jieba识别的干扰文件). 可能作者考虑的是你有多个分门别类的词典, 但我觉得这里应该能支持多种形式才对.