diff --git a/mallinkService/src/main/resources/mapper/WxCouponSendMapper.xml b/mallinkService/src/main/resources/mapper/WxCouponSendMapper.xml
index 787d19956..f41ebfc11 100644
--- a/mallinkService/src/main/resources/mapper/WxCouponSendMapper.xml
+++ b/mallinkService/src/main/resources/mapper/WxCouponSendMapper.xml
@@ -156,9 +156,9 @@
((c.status = 1) or (c.valid_type = 1 and c.valid_end_date < now()))
- update wx_coupon_send SET conditions = JSON_SET(conditions,'$.merchantSend',#{merchantSend} - #{number}) where id = #{id} and conditions->'$.merchantSend' = #{merchantSend}
+ update wx_coupon_send SET conditions = JSON_SET(conditions,'$.merchantSend',#{merchantSend} + #{number}) where id = #{id} and conditions->'$.merchantSend' = #{merchantSend}
- update wx_coupon_send SET conditions = JSON_SET(conditions,'$.merchantSend',#{merchantSend} + #{number}) where id = #{id} and conditions->'$.merchantSend' = #{merchantSend}
+ update wx_coupon_send SET conditions = JSON_SET(conditions,'$.merchantSend',#{merchantSend} - #{number}) where id = #{id} and conditions->'$.merchantSend' = #{merchantSend}