diff --git a/bonus-modules/bonus-system/src/main/java/com/bonus/system/mapper/PasswordValidatorMapper.java b/bonus-modules/bonus-system/src/main/java/com/bonus/system/mapper/PasswordValidatorMapper.java
new file mode 100644
index 0000000..c4ce3ce
--- /dev/null
+++ b/bonus-modules/bonus-system/src/main/java/com/bonus/system/mapper/PasswordValidatorMapper.java
@@ -0,0 +1,20 @@
+package com.bonus.system.mapper;
+
+import com.bonus.system.domain.UserPasswordHistory;
+
+import java.util.List;
+
+/**
+ * @author bonus
+ */
+public interface PasswordValidatorMapper {
+    /**
+     * 获取最近五次修改密码的时间
+     *
+     * @param userId 用户id
+     * @return 时间
+     */
+    List<UserPasswordHistory> checkPasswordExpiry(Long userId);
+
+    int addPasswordExpiry(UserPasswordHistory userPasswordHistory);
+}