string(87) "{"code":20003,"msg":"当前请求频率超限，请稍后再试。","time":1752483093}
"
array(3) {
  ["code"]=>
  int(20003)
  ["msg"]=>
  string(45) "当前请求频率超限，请稍后再试。"
  ["time"]=>
  int(1752483093)
}
int(20003)