happy-dns-objc 这个库会引发很多崩溃

Question

https://github.com/qiniu/happ...

这里有提issues。

下面这是新发现的bugly 反馈的崩溃，希望解决一下。

NSGenericException
* Collection <__NSArrayM: 0x12a6bfd30> was mutated while being enumerated.
解析原始
0 CoreFoundation ___exceptionPreprocess + 124
1 libobjc.A.dylib objc_exception_throw + 56
2 CoreFoundation -[NSException name]
3 HappyDNS -[QNHosts query:networkInfo:] (QNHosts.m:68)
4 HappyDNS -[QNDnsManager queryInternalWithDomain:] (QNDnsManager.m:180)
5 HappyDNS -[QNDnsManager queryWithDomain:] (QNDnsManager.m:115)
6 Qiniu -[QNSessionManager sendRequest:withCompleteBlock:withProgressBlock:withCancelBlock:] (QNSessionManager.m:168)
7 libdispatch.dylib __dispatch_call_block_and_release + 24
8 libdispatch.dylib __dispatch_client_callout + 16
9 libdispatch.dylib __dispatch_root_queue_drain + 2140
10 libdispatch.dylib __dispatch_worker_thread3 + 112
11 libsystem_pthread.dylib _pthread_wqthread + 1092
12 libsystem_pthread.dylib start_wqthread + 4