<img src="https://user-images.githubusercontent.com/68415992/213845220-310363e0-b4fa-4455-8c6a-81a1958b25cd.png" width="500px"> When movies_gth is None且context中有电影这里直接索引会发生异常,而dbpedia_mask也只能append self.entity_max,不能反映上文是否出现电影实体 下面的当movies_gth为None同时对话中出现电影的话那直接索引会引发异常,而没有相应的异常处理措施 <img src="https://user-images.githubusercontent.com/68415992/213851160-7c38b078-7e38-4505-9a80-d6006c681748.png" width="500px"> 应该改为: <img src="https://user-images.githubusercontent.com/68415992/213854873-a7f9c7a8-5803-4a78-926f-06ac0b13c2a8.png" width="300px">