diff --git a/src/main/java/com/wsk/dao/GoodsCarMapper.java b/src/main/java/com/wsk/dao/GoodsCarMapper.java
new file mode 100644
index 0000000..170cd97
--- /dev/null
+++ b/src/main/java/com/wsk/dao/GoodsCarMapper.java
@@ -0,0 +1,21 @@
+package com.wsk.dao;
+
+import com.wsk.pojo.GoodsCar;
+
+import java.util.List;
+
+public interface GoodsCarMapper {
+    int deleteByPrimaryKey(Integer id);
+
+    int insert(GoodsCar record);
+
+    int insertSelective(GoodsCar record);
+
+    GoodsCar selectByPrimaryKey(Integer id);
+
+    int updateByPrimaryKeySelective(GoodsCar record);
+
+    int updateByPrimaryKey(GoodsCar record);
+
+    List<GoodsCar> selectByUid(int uid);
+}
\ No newline at end of file