致命异常:NSInvalidArgumentException***+[NSJSONSerializationdataWithJSONObject:options:error:]:value参数为nil基础+[NSJSONSerializationdataWithJSONObject:options:error:]+84项目名称-[ANSWriteEventOperationlogLineWithTimestamp:eventName:payloadDictionary:]+72项目名称-[ANSWriteEventOperationgenerateFormattedLogLineWi