diff --git a/internal/data/wechatrepoimpl/cpn.go b/internal/data/wechatrepoimpl/cpn.go
index f502478..96381c6 100644
--- a/internal/data/wechatrepoimpl/cpn.go
+++ b/internal/data/wechatrepoimpl/cpn.go
@@ -171,6 +171,7 @@ func (c *CpnRepoImpl) QueryProduct(ctx context.Context, stockCreatorMchId, stock
 
 func (c *CpnRepoImpl) QueryCallback(ctx context.Context) (*cashcoupons.Callback, error) {
 
+	// 回调地址是制券商户设置的回调地址，而不是发券商户设置的回调地址，除非发券商户就是制券商户
 	client, err := c.GetClient(ctx)
 	if err != nil {
 		return nil, err