我在我的项目中使用SDImage，在检查崩溃日志时，这个SDImage崩溃了
[SDWebImageDownloaderOperation start] func，这是日志，请帮助，这浪费了我2天。
线程12：
0 libsystem_kernel.dylib 0x3c383eb4 mach_msg_trap + 20
1 CoreFoundation 0x34143045 __CFRunLoopServiceMachPort + 129
2 CoreFoundation 0x34141da3 __CFRunLoopRun + 883
3 CoreFoundation 0x340b4ebd CFRunLoopRunSpecific + 357
4 CoreFoundation 0x340b4d49 CFRunLoopRunInMode + 105
5 demo 0x0022a683 -[SDWebImageDownloaderOperation start] + 471
6 Foundation 0x34a73be3 __block_global_6 + 103
7 libdispatch.dylib 0x3c2ae11f _dispatch_call_block_and_release + 11
8 libdispatch.dylib 0x3c2b2961 _dispatch_root_queue_drain + 253
9 libdispatch.dylib 0x3c2b2ac1 _dispatch_worker_thread2 + 85
10 libsystem_c.dylib 0x3c2e2a11 _pthread_wqthread + 361
另一个日志
线程9崩溃：
0 CoreFoundation 0x35418b9c CFEqual + 24
1 CFNetwork 0x34d60469 URLConnectionClient::getRequestForTransmission(unsigned char, CFURLResponse*, _CFURLRequest const*, __CFError**) + 205
2 CFNetwork 0x34cc666d URLConnectionClient::_clientWillSendRequest(_CFURLRequest const*, _CFURLResponse*, URLConnectionClient::ClientConnectionEventQueue*) + 157
3 CFNetwork 0x34cc64c5 URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo*, long) + 457
4 CFNetwork 0x34cc61a3 URLConnectionClient::processEvents() + 107
5 CFNetwork 0x34cc60d9 MultiplexerSource::perform() + 157
6 CoreFoundation 0x354a3ad3 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION_ + 15
7 CoreFoundation 0x354a329f __CFRunLoopDoSources0 + 215
8 CoreFoundation 0x354a2045 __CFRunLoopRun + 653
9 CoreFoundation 0x354254a5 CFRunLoopRunSpecific + 301
10 CoreFoundation 0x3542536d CFRunLoopRunInMode + 105
11 demo 0x001d1683 -[SDWebImageDownloaderOperation start] + 471
12 Foundation 0x34fe2793 __block_global_6 + 103
13 libdispatch.dylib 0x3435cc59 _dispatch_call_block_and_release + 13
14 libdispatch.dylib 0x3435f817 _dispatch_worker_thread2 + 259
15 libsystem_c.dylib 0x3288cdfb _pthread_wqthread + 295
取消另一次崩溃
线程0崩溃：
0 demo 0x001a58f2 -[SDWebImageDownloaderOperation cancel] + 130
1 demo 0x001a88df -[SDWebImageCombinedOperation cancel] + 179
2 demo 0x001aaf71 -[UIImageView(WebCache) cancelCurrentImageLoad] + 49
我的日志帮助〜