OKEX exchange.io is prompting 401: { "error_message": Invalid Sign","code":30013,

The following exchanges[0].GetAccount ((() can access account information, the API configuration is fine, but exchanges[0].IO prompts signature incorrectly, please tell me where to set this? function main (()) { while (true) { var symbol = "BTC-USDT" is used var messege = instrument_id= +symbol This is a list of all the different ways var messege is credited in the database

   var ret =exchanges[0].IO("api", "GET", "/api/spot/v3/orders/", messege)

   // var account=exchanges[0].GetAccount()
   // Log(account.Balance)
   Sleep(3000);



}

}