diff --git a/src/main/java/com/wsk/dao/AdminInformationMapper.java b/src/main/java/com/wsk/dao/AdminInformationMapper.java
new file mode 100644
index 0000000..32fa208
--- /dev/null
+++ b/src/main/java/com/wsk/dao/AdminInformationMapper.java
@@ -0,0 +1,19 @@
+package com.wsk.dao;
+
+import com.wsk.pojo.AdminInformation;
+
+public interface AdminInformationMapper {
+    int deleteByPrimaryKey(Integer id);
+
+    int insert(AdminInformation record);
+
+    int insertSelective(AdminInformation record);
+
+    AdminInformation selectByPrimaryKey(Integer id);
+
+    int updateByPrimaryKeySelective(AdminInformation record);
+
+    int updateByPrimaryKey(AdminInformation record);
+
+    AdminInformation selectByNo(int ano);
+}
\ No newline at end of file