diff --git a/api/service/OrderMember.go b/api/service/OrderMember.go
index 430878c..aeb3802 100644
--- a/api/service/OrderMember.go
+++ b/api/service/OrderMember.go
@@ -113,7 +113,7 @@ func (r *OrderMemberService) AddOrderMember(tx *gorm.DB, UserId, SystemMemberId
 	// 实际付款金额
 	paymentAmountTotal = amountTotal - couponAmountTotal // 实际付款金额
 	if paymentAmountTotal < 0 {
-		return nil, errors.New("价格异常")
+		paymentAmountTotal = 0
 	}
 
 	if *orderPrice != paymentAmountTotal {