查询到Xcode的崩溃日志:
Crashed Thread: 20 Dispatch queue: -[DVTSourceControlWorkspace init] :: NSOperation 0x7fde4ad57c40 (QOS: USER_INITIATED)
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Application Specific Information:
ProductBuildVersion: 8E3004b
UNCAUGHT EXCEPTION (NSInvalidArgumentException): *** -[NSURL URLByAppendingPathComponent:]: component, components, or pathExtension cannot be nil.
UserInfo: (null)