diff --git a/api/service/coupon.go b/api/service/coupon.go
index 02fc902..806a48e 100644
--- a/api/service/coupon.go
+++ b/api/service/coupon.go
@@ -386,7 +386,7 @@ func (r *CouponService) PutSystemCoupon(couponId int64, req requests.PutSystemCo
 		}
 
 		if &brandId != coupon.BrandId {
-			couponData["brand_id"] = req.InquiryType
+			couponData["brand_id"] = req.BrandId
 		}
 	}
 
@@ -408,7 +408,7 @@ func (r *CouponService) PutSystemCoupon(couponId int64, req requests.PutSystemCo
 	if coupon.DistributionObject == 4 {
 		if req.DistributionWithDay != nil {
 			if *req.DistributionWithDay != coupon.DistributionWithDay {
-				couponData["distribution_with_day"] = req.InquiryType
+				couponData["distribution_with_day"] = req.DistributionWithDay
 			}
 		}
 	}
@@ -416,7 +416,7 @@ func (r *CouponService) PutSystemCoupon(couponId int64, req requests.PutSystemCo
 	// 单商品最小可使用数量
 	if coupon.ApplicationScope == 1 && coupon.CouponType == 3 {
 		if req.MinUsableNumber != nil {
-			couponData["min_usable_number"] = req.InquiryType
+			couponData["min_usable_number"] = req.MinUsableNumber
 		}
 	}
 
@@ -428,14 +428,14 @@ func (r *CouponService) PutSystemCoupon(couponId int64, req requests.PutSystemCo
 				return false, errors.New("发放数量，不可低于已发放数量")
 			}
 
-			couponData["coupon_count"] = req.InquiryType
+			couponData["coupon_count"] = req.CouponCount
 		}
 	}
 
 	// 优惠卷金额
 	if req.CouponPrice != nil {
 		if *req.CouponPrice != coupon.CouponPrice {
-			couponData["coupon_price"] = req.InquiryType
+			couponData["coupon_price"] = req.CouponPrice
 		}
 	}