diff --git a/yami-shop-service/src/main/java/com/yami/shop/dao/AttachFileMapper.java b/yami-shop-service/src/main/java/com/yami/shop/dao/AttachFileMapper.java
index 87be88b..d1afeb0 100644
--- a/yami-shop-service/src/main/java/com/yami/shop/dao/AttachFileMapper.java
+++ b/yami-shop-service/src/main/java/com/yami/shop/dao/AttachFileMapper.java
@@ -14,6 +14,10 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.yami.shop.bean.model.AttachFile;
 
 /**
+ * AttachFileMapper接口用于定义对AttachFile实体对象在数据库层面操作的相关映射方法。
+ * 它继承自MyBatis Plus提供的BaseMapper接口，借助BaseMapper的通用方法以及可能扩展的自定义方法，
+ * 可以方便地实现针对AttachFile表（假设对应数据库中有此表）的增删改查等数据库操作。
+ *
  * @author lanhai
  */
 public interface AttachFileMapper extends BaseMapper<AttachFile> {