code: func UseNumber() {
  	json = jsoniter.Config{
  		UseNumber:              true,
  		EscapeHTML:             true,
  		SortMapKeys:            true,
  		ValidateJsonRawMessage: true,
  	}.Froze()
  }
docs: // UseNumber fix unmarshal Number(8234567890123456789) to interface(8.234567890123457e+18)