最新JCore 2.1.1崩溃

iOS JPush-3.2.1，JCore-2.1.1崩溃，各种机型都会，以下是出错堆栈：
|libobjc.A.dylib|objc_msgSend + 16|
|---|---|
|1 o2omember|-[JCORETcpSocket doRead] (JCORETcpSocket.m:298)|
|2 o2omember|-[JCORETcpSocket doCFSocketCallback:forSocket:withData:] (JCORETcpSocket.m:0)|
|3 o2omember|JCORETcpSocketCallback (JCORETcpSocket.m:0)|
|4 CoreFoundation|CFSocketPerformV0 + 1316|
|5 CoreFoundation|CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24|
|6 CoreFoundation|CFRunLoopDoSource0 + 88|
|7 CoreFoundation|CFRunLoopDoSources0 + 176|
|8 CoreFoundation|CFRunLoopRun + 1004|
|9 CoreFoundation|CFRunLoopRunSpecific + 436|
|10 CoreFoundation|CFRunLoopRun + 80|
|11 o2omember|+[JCORENetworkThread run] (JCORENetworkController.m:41)|
|12 Foundation|NSThread__start__ + 984|
|13 libsystem_pthread.dylib|__pthread_body + 128|
|14 libsystem_pthread.dylib|_pthread_start + 44|