diff --git a/pkg/bbgo/order_executor_general.go b/pkg/bbgo/order_executor_general.go
index 86243708f..40b63c9ee 100644
--- a/pkg/bbgo/order_executor_general.go
+++ b/pkg/bbgo/order_executor_general.go
@@ -271,7 +271,7 @@ func (e *GeneralOrderExecutor) reduceQuantityAndSubmitOrder(ctx context.Context,
 	var err error
 	for i := 0; i < submitOrderRetryLimit; i++ {
 		q := submitOrder.Quantity.Mul(fixedpoint.One.Sub(quantityReduceDelta))
-		if !e.session.Futures {
+		if !e.session.Futures && !e.session.Margin {
 			if submitOrder.Side == types.SideTypeSell {
 				if baseBalance, ok := e.session.GetAccount().Balance(e.position.Market.BaseCurrency); ok {
 					q = fixedpoint.Min(q, baseBalance.Available)