diff --git a/internal/logic/public/order/preCreateOrderLogic.go b/internal/logic/public/order/preCreateOrderLogic.go
index 7ead8ba..e25dc14 100644
--- a/internal/logic/public/order/preCreateOrderLogic.go
+++ b/internal/logic/public/order/preCreateOrderLogic.go
@@ -63,7 +63,7 @@ func (l *PreCreateOrderLogic) PreCreateOrder(req *types.PurchaseOrderRequest) (r
 			}
 			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
 		}
-		if couponInfo.Count <= couponInfo.UsedCount {
+		if couponInfo.Count > 0 && couponInfo.Count <= couponInfo.UsedCount {
 			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponAlreadyUsed), "coupon used")
 		}
 		var count int64
@@ -76,7 +76,7 @@ func (l *PreCreateOrderLogic) PreCreateOrder(req *types.PurchaseOrderRequest) (r
 			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
 		}
 
-		if count >= couponInfo.UserLimit {
+		if couponInfo.UserLimit > 0 && count >= couponInfo.UserLimit {
 			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponInsufficientUsage), "coupon limit exceeded")
 		}