{
  "argv": {
    "a": 1,
    "b": 2
  },
  "code": "ab=a+b\naxb=a*b\nreturn {\"sub\":ab,\"x\":axb}"
}

{
  "code": 200,
  "msg": "success",
  "data": {
    "sub": 3,
    "x": 2
  }
}