像获取打卡记录返回的json,如何获取到子集？ { "errcode":0, "errmsg":"ok", "checkindata": [{ "userid" : "james", "groupname" : "打卡一组", "checkin_type" : "上班打卡", "exception_type" : "地点异常", "checkin_time" : 1492617610, "location_title" : "依澜府", "location_detail" : "四川省成都市武侯区益州大道中段784号附近", "wifiname" : "办公一区", "notes" : "路上堵车，迟到了5分钟", "wifimac" : "3c:46:d8:0c:7a:70", "mediaids":["WWCISP_G8PYgRaOVHjXWUWFqchpBqqqUpGj0OyR9z6WTwhnMZGCPHxyviVstiv_2fTG8YOJq8L8zJT2T2OvTebANV-2MQ"], "sch_checkin_time" : 1492617610, "groupid" : 1, "schedule_id" : 0, "timeline_id" : 2 },{ "userid" : "paul", "groupname" : "打卡二组", "checkin_type" : "外出打卡", "exception_type" : "时间异常", "checkin_time" : 1492617620, "location_title" : "重庆出口加工区", "location_detail" : "重庆市渝北区金渝大道101号金渝大道", "wifiname" : "办公室二区", "notes" : "", "wifimac" : "3c:46:d8:0c:7a:71", "mediaids":["WWCISP_G8PYgRaOVHjXWUWFqchpBqqqUpGj0OyR9z6WTwhnMZGCPHxyviVstiv_2fTG8YOJq8L8zJT2T2OvTebANV-2MQ"], "lat": 30547645, "lng": 104063236, "deviceid":"E5FA89F6-3926-4972-BE4F-4A7ACF4701E2", "sch_checkin_time" : 1492617610, "groupid" : 2, "schedule_id" : 3, "timeline_id" : 1 }] }

请求参数: opencheckindatatype=3&starttime=1614268800&endtime=1614355200&useridlist=%5B%22LiuYanHong%22%5D 请求头: POST /cgi-bin/checkin/getcheckindata?access_token=wK1zHUuEEVOLCeHvJ8eMDTghTaYuQBu42mOF67uQkdJvsTjzsg3_9CFonnTtrtt641Ju0O3Ts7WAGyen-ehwMZRij0HSA&debug=1 HTTP/1.1 X-Forwarded-For: 119.188.241.129 PROXY_FORWARDED_FOR: 81F1BC77,0000,0,0,0,0,0,0,0 WEWORK_PROXY_FORWARDED_FOR: 119.188.241.129 Connection: Keep-Alive Pragma: no-cache X-InnerReqId: 160625980.21778.1614829076.10697 Host: qyapi.weixin.qq.com User-Agent: Apache-HttpClient/4.5.5 (Java/1.8.0_261) Content-Type: application/x-www-form-urlencoded; charset=utf-8 Accept: text/plain;charset=utf-8 Content-Length: 95 POST返回信息：{"errcode":301023,"checkindata":[],"errmsg":"Warning: wrong json format. userlist is over threshold, hint: [1614839846_163_77e21d16effee7f740663809ef89fa71], from ip: 119.188.241.129, mor} 请问这是什么意思？