致命异常:NSInvalidArgumentException
*** [NS JSONSerialization dataWithJSONObject:options:error:]:value参数为nil
*** [NS JSONSerialization dataWithJSONObject:options:error:]:value参数为nil
基金会[NSJSONSerialization dataWithJSONObject:options:error:] 84
ProjectName – [ANSWriteEventOperation logLineWithTimestamp:eventName:payloadDictionary:] 72
ProjectName – [ANSWriteEventOperation generateFormattedLogLineWithMetdata:timestamp:] 142
ProjectName – [ANSWriteEventOperation initWithEvent:Metadata:logFileUrl:] 200
项目名
__38- [ANSAnswersController logCrashEvent:] _ block_invoke 600
基金会NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK 8