diff --git a/src/main/java/com/example/demo/mapper/cash/cashTestMapper.java b/src/main/java/com/example/demo/mapper/cash/cashTestMapper.java
new file mode 100644
index 0000000..e11a27f
--- /dev/null
+++ b/src/main/java/com/example/demo/mapper/cash/cashTestMapper.java
@@ -0,0 +1,16 @@
+package com.example.demo.mapper.cash;
+
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * @program: gold-java
+ * @ClassName cashTestMapper
+ * @description:
+ * @author: Ethan
+ * @create: 2025−09-23 15:28
+ * @Version 1.0
+ **/
+@Mapper
+public interface cashTestMapper {
+
+}
diff --git a/src/main/resources/cashMapper/cashTestMapper.xml b/src/main/resources/cashMapper/cashTestMapper.xml
new file mode 100644
index 0000000..a1f241d
--- /dev/null
+++ b/src/main/resources/cashMapper/cashTestMapper.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.example.demo.mapper.cash.cashTestMapper">
+
+
+</mapper>
\ No newline at end of file