diff --git a/internal/logic/public/order/purchaseLogic.go b/internal/logic/public/order/purchaseLogic.go
index 94dbb16..519a80a 100644
--- a/internal/logic/public/order/purchaseLogic.go
+++ b/internal/logic/public/order/purchaseLogic.go
@@ -114,7 +114,7 @@ func (l *PurchaseLogic) Purchase(req *types.PurchaseOrderRequest) (resp *types.P
 			}
 			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.CouponInsufficientUsage), "coupon used")
 		}
 		couponSub := tool.StringToInt64Slice(couponInfo.Subscribe)
diff --git a/internal/logic/public/order/renewalLogic.go b/internal/logic/public/order/renewalLogic.go
index 5680c9b..c78824f 100644
--- a/internal/logic/public/order/renewalLogic.go
+++ b/internal/logic/public/order/renewalLogic.go
@@ -84,7 +84,7 @@ func (l *RenewalLogic) Renewal(req *types.RenewalOrderRequest) (resp *types.Rene
 			}
 			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.CouponInsufficientUsage), "coupon used")
 		}
 		couponSub := tool.StringToInt64Slice(couponInfo.Subscribe)
diff --git a/internal/logic/public/portal/prePurchaseOrderLogic.go b/internal/logic/public/portal/prePurchaseOrderLogic.go
index ac5ae6c..b2a99ba 100644
--- a/internal/logic/public/portal/prePurchaseOrderLogic.go
+++ b/internal/logic/public/portal/prePurchaseOrderLogic.go
@@ -54,7 +54,7 @@ func (l *PrePurchaseOrderLogic) PrePurchaseOrder(req *types.PrePurchaseOrderRequ
 			}
 			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.CouponInsufficientUsage), "coupon used")
 		}
 		subs := tool.StringToInt64Slice(couponInfo.Subscribe)
diff --git a/internal/logic/public/portal/purchaseLogic.go b/internal/logic/public/portal/purchaseLogic.go
index c4431dc..2c0cd69 100644
--- a/internal/logic/public/portal/purchaseLogic.go
+++ b/internal/logic/public/portal/purchaseLogic.go
@@ -80,7 +80,7 @@ func (l *PurchaseLogic) Purchase(req *types.PortalPurchaseRequest) (resp *types.
 			}
 			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.CouponInsufficientUsage), "coupon used")
 		}
 		couponSub := tool.StringToInt64Slice(couponInfo.Subscribe)