线上版本出现一个LeanCloud的崩溃；

[ConnyYue]

Base Info for this issue

崩溃提示 You must implement -setFetchProfilesBlock: to allow ChatKit to get user information by user clientId. (_mh_execute_header + 3566456) 崩溃点的堆栈信息 __68-[LCCKUserSystemService getProfilesInBackgroundForUserIds:callback:]_block_invoke_2 (in kmfCourse) (LCCKUserSystemService.m (Line 80)) + 3566456

1. ChatKit Version：0.10.1
2. App-ID: XX
3. Language：Objective-C
4. iOS System Version：iOS10
5. Prototype（是否是真机）：YES
6. Issue Type：Crash、Bug、Enhancement（希望能支持一个新需求）、Q-A

1. How to repeat the problem.

没有步骤 线上版本出现的崩溃 统计工具检测到了崩溃

2. Please help me in this way.

我已经实现了 [[LCChatKit sharedInstance] setFetchProfilesBlock: 并在回调中实现了用户信息的获取 但是在LCCKUserSystemService中73行的判断代码，if (!_fetchProfilesBlock){}仍然执行了

NSString *reason = [NSString stringWithFormat:@"You must implement -setFetchProfilesBlock: to allow ChatKit to get user information by user clientId."]; @throw [NSException exceptionWithName:NSGenericException reason:reason userInfo:nil];

3. Here is a Demo.

4. Here is my Debug log