错误代码修正，修改引用信息

src/server/models/sessions/topics.js

@@ -144,7 +144,7 @@ class Topics extends RedisModel {
                    })
                }
            }
            ModelUtil.emitOK(self.eventEmitter, startMsgId);
            ModelUtil.emitOK(self.eventEmitter, {"id":startMsgId});
        }
    }
@@ -182,7 +182,7 @@ class Topics extends RedisModel {
                if (err) {
                    ModelUtil.emitOK(self.eventEmitter, err);
                } else {
                    ModelUtil.emitOK(self.eventEmitter, msgId);
                    ModelUtil.emitOK(self.eventEmitter,  {"id":msgId});
                    TopicsRepo.endTopic(topicId, endUser, msg.date, msgId);
                }
            })