diff --git a/src/main/java/com/ai/da/service/impl/StripeServiceImpl.java b/src/main/java/com/ai/da/service/impl/StripeServiceImpl.java
index c83907f0..033d0f58 100644
--- a/src/main/java/com/ai/da/service/impl/StripeServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/StripeServiceImpl.java
@@ -24,6 +24,7 @@ import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.google.gson.Gson;
 import com.stripe.Stripe;
+import com.stripe.exception.InvalidRequestException;
 import com.stripe.exception.SignatureVerificationException;
 import com.stripe.exception.StripeException;
 import com.stripe.model.*;
@@ -1148,6 +1149,13 @@ public class StripeServiceImpl implements StripeService {
         emailParamsDTO.setFailMessage(orderByOrderNo.getNote());
         emailParamsDTO.setSubscriptionType(subscriptionInfo.getType());
         emailParamsDTO.setStartDate(DateUtil.changeTimeStampFormat(orderByOrderNo.getCreateTime()));
+        if (subscriptionInfo.getType().equals("month")){
+            emailParamsDTO.setRenewalFee(String.valueOf(500));
+        } else if (subscriptionInfo.getType().equals("year")){
+            emailParamsDTO.setRenewalFee(String.valueOf(5000));
+        } else {
+            emailParamsDTO.setRenewalFee(emailParamsDTO.getTotalFee());
+        }
         if (subscriptionInfo.getStatus().equals("active")){
             if (language.equals("ENGLISH")){
                 emailParamsDTO.setEndDate("When cancelled");
@@ -1385,6 +1393,7 @@ public class StripeServiceImpl implements StripeService {
         CouponCreateParams.Builder couponParams = CouponCreateParams.builder()
                 // 任何客户只能用一次这个优惠券
                 .setDuration(CouponCreateParams.Duration.ONCE)
+                // percent_off 与 amount_off 不能同时设置
                 .setPercentOff(BigDecimal.valueOf(createCouponDTO.getPercentOff()));
         if (Objects.nonNull(createCouponDTO.getTimestamp())){
             couponParams.setRedeemBy(createCouponDTO.getTimestamp());
@@ -1582,4 +1591,22 @@ public class StripeServiceImpl implements StripeService {
 
         return productCouponsMapper.selectPage(new Page<>(queryCouponsPageDTO.getPage(), queryCouponsPageDTO.getSize()), queryWrapper);
     }
+
+    @Transactional
+    public void deleteCoupon(Long id){
+        Stripe.apiKey = privateKey;
+        ProductCoupons productCoupons = productCouponsMapper.selectById(id);
+        if (Objects.isNull(productCoupons)){
+            throw new BusinessException("unknown promotion code");
+        }
+        try {
+            Coupon coupon = Coupon.retrieve(productCoupons.getCouponId());
+            coupon.delete();
+            log.info("coupon {} 删除成功", productCoupons.getCouponId());
+            productCouponsMapper.deleteById(id);
+        } catch (StripeException e) {
+            log.error("未知coupons,无法通过couponId: {} 获得Coupons", productCoupons.getCouponId());
+        }
+    }
+
 }