okx: query account config to verify spot borrow is on

pkg/exchange/okex/exchange.go

@@ -219,14 +219,28 @@ func (e *Exchange) QueryAccount(ctx context.Context) (*types.Account, error) {
 		return nil, fmt.Errorf("account balance is empty")
 	}
 
+	accountConfigs, err := e.client.NewGetAccountConfigRequest().Do(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(accountConfigs) == 0 {
+		return nil, fmt.Errorf("account config is empty")
+	}
+
 	balances := toGlobalBalance(&accounts[0])
 	account := types.NewAccount()
 	account.UpdateBalances(balances)
 
 	// for margin account
 	account.MarginRatio = accounts[0].MarginRatio
+	account.MarginLevel = accounts[0].MarginRatio
 	account.TotalAccountValue = accounts[0].TotalEquityInUSD
 
+	if e.MarginSettings.IsMargin && !accountConfigs[0].EnableSpotBorrow {
+		log.Warnf("margin is set, but okx enableSpotBorrow field is false, please turn on auto-borrow from the okx UI")
+	}
+
 	return account, nil
 }