我有以下模型:基类:publicabstractclassIdentifiable{privateObjectIdid;privatestringname;protectedIdentifiable(){id=ObjectId.GenerateNewId();}[BsonId]publicObjectIdId{get{returnid;}set{id=value;}}[BsonRequired]publicstringName{get{returnname;}set{name=value;}}}名字是独一无二的。channel类publicclassChannel:Identifiab