Mac QQ 一登陆就 crash，求救

Mac QQ一登陆就Crash，重装无效，包括3.1.2, 4.0.1, 4.0.2都一样，无解，求救

Process: QQ [1827]
Path: /Applications/QQ.app/Contents/MacOS/QQ
Identifier: com.tencent.qq
Version: 3.1.2 (15921)
Code Type: X86 (Native)
Parent Process: ??? [1]
Responsible: QQ [1827]
User ID: 501

Date/Time: 2015-04-14 10:53:20.420 +0800
OS Version: Mac OS X 10.10.3 (14D131)
Report Version: 11
Anonymous UUID: AC1F316B-C284-429F-2D5A-00181FDDC61D

Time Awake Since Boot: 6600 seconds

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGSEGV)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x988359ce mach_msg_trap + 10
1 libsystem_kernel.dylib 0x98834a70 mach_msg + 68
2 com.apple.CoreFoundation 0x91163ef6 __CFRunLoopServiceMachPort + 214
3 com.apple.CoreFoundation 0x91163309 __CFRunLoopRun + 1529
4 com.apple.CoreFoundation 0x91162aa6 CFRunLoopRunSpecific + 390
5 com.apple.CoreFoundation 0x9116290b CFRunLoopRunInMode + 123
6 com.apple.HIToolbox 0x944e98f8 RunCurrentEventLoopInMode + 262
7 com.apple.HIToolbox 0x944e9631 ReceiveNextEventCommon + 494
8 com.apple.HIToolbox 0x944e942c _BlockUntilNextEventMatchingListInModeWithFilter + 99
9 com.apple.AppKit 0x97791721 _DPSNextEvent + 742
10 com.apple.AppKit 0x97790dc5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 350
11 com.apple.AppKit 0x9778577c -[NSApplication run] + 907
12 com.apple.AppKit 0x976fabc0 NSApplicationMain + 2082
13 com.tencent.qq 0x00028685 start + 53