iOS SDK Crash 问题

使用的iOS SDK版本 v3.1.2.4
会出现以下两个闪退问题。请确认。
SDK虽然有问题，但是请加油。支持你们！

1：
- Name
NSGenericException

• Reason
  *** Collection <__NSArrayM: 0x17845bf90> was mutated while being enumerated.

• Crashed Thread
  0 CoreFoundation 0x00000001852be084 __exceptionPreprocess + 128
  1 libobjc.A.dylib 0x00000001958f40e4 objc_exception_throw + 56
  2 CoreFoundation 0x00000001852bda38 __NSFastEnumerationMutationHandler + 136
  3 appname 0x00000001001acf28 -AVAnalyticsSession eventsDictionary
  4 appname 0x00000001001ad0f4 -AVAnalyticsSession jsonDictionary:
  5 appname 0x00000001001af258 -AVAnalyticsImpl allSessionData
  6 appname 0x00000001001af874 -AVAnalyticsImpl saveSessionsToServer:

2 :
- Name
NSInternalInconsistencyException

• Reason
  wtf? { request: { URL: https://api.leancloud.cn/1.1/statistics/apps/x4od89j1lplgker87spahscp75op79s0o2x9vyesjpp2gv8z/sendPolicy3 } } { URL: https://api.leancloud.cn/1.1/statistics/apps/x4od89j1lplgker87spahscp75op79s0o2x9vyesjpp2gv8z/sendPolicy3 } https://api.leancloud.cn/1.1/statistics/apps/x4od89j1lplgker87spahscp75op79s0o2x9vyesjpp2gv8z/sendPolicy3

• Crashed Thread
  0 CoreFoundation 0x00000001859df100 __exceptionPreprocess + 128
  1 libobjc.A.dylib 0x0000000191ee81fc objc_exception_throw + 56
  2 CoreFoundation 0x00000001859defc0 +[NSException raise:format:arguments:] + 112
  3 Foundation 0x0000000186516db4 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 108
  4 appname 0x00000001001e3a8c -[CRNSURLConnectionDelegateProxy connectionDidFinishLoading:] + 228
  5 Foundation 0x0000000186496898 _65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]block_invoke + 76
  6 Foundation 0x0000000186496784 -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:] + 228
  7 Foundation 0x000000018649667c -[NSURLConnectionInternal _withActiveConnectionAndDelegate:] + 76