diff --git a/mall-admin/src/main/java/com/macro/mall/dao/SmsCouponDao.java b/mall-admin/src/main/java/com/macro/mall/dao/SmsCouponDao.java
index 3c57ad0..a4a4820 100644
--- a/mall-admin/src/main/java/com/macro/mall/dao/SmsCouponDao.java
+++ b/mall-admin/src/main/java/com/macro/mall/dao/SmsCouponDao.java
@@ -8,5 +8,8 @@ import org.apache.ibatis.annotations.Param;
  * Created by macro on 2018/8/29.
  */
 public interface SmsCouponDao {
+    /**
+     * 获取优惠券详情，包括关联信息
+     */
     SmsCouponParam getItem(@Param("id") Long id);
 }