Error Domain=NSCocoaErrorDomain Code=3840 "Number with leading zero around character 21190."
UserInfo={NSDebugDescription=Number with leading zero around character 21190.}
server返回数据
"tradeTime":
[0900,1015,20190219,20190219],
[1030,1130,20190219,20190219],
[1330,1500,20190219,20190219]]
解决:取消0900前面的0,或者把返回的数据类型转为string