diff --git a/continew-system/src/main/resources/mapper/LogMapper.xml b/continew-system/src/main/resources/mapper/LogMapper.xml
index 64f322b7..8ef1b58b 100644
--- a/continew-system/src/main/resources/mapper/LogMapper.xml
+++ b/continew-system/src/main/resources/mapper/LogMapper.xml
@@ -41,21 +41,34 @@
         ${ew.customSqlSegment}
     </select>
 
-    <select id="selectDashboardOverviewPv" resultType="top.continew.admin.system.model.resp.dashboard.DashboardOverviewCommonResp">
+    <select id="selectDashboardOverviewPv" databaseId="mysql" resultType="top.continew.admin.system.model.resp.dashboard.DashboardOverviewCommonResp">
         SELECT
             (SELECT COUNT(*) FROM sys_log) AS total,
-            (SELECT COUNT(*) FROM sys_log WHERE create_time >= CURDATE() AND create_time &lt; DATE_ADD(CURDATE(), INTERVAL 1 DAY)) AS today,
-            (SELECT COUNT(*) FROM sys_log WHERE create_time >= DATE_SUB(CURDATE(), INTERVAL 1 DAY) AND create_time &lt; CURDATE()) AS yesterday
+            (SELECT COUNT(*) FROM sys_log WHERE create_time >= CURDATE() AND create_time <![CDATA[ < ]]> DATE_ADD(CURDATE(), INTERVAL 1 DAY)) AS today,
+            (SELECT COUNT(*) FROM sys_log WHERE create_time >= DATE_SUB(CURDATE(), INTERVAL 1 DAY) AND create_time <![CDATA[ < ]]> CURDATE()) AS yesterday
+
+    </select>
+    <select id="selectDashboardOverviewPv" databaseId="pgsql" resultType="top.continew.admin.system.model.resp.dashboard.DashboardOverviewCommonResp">
+        SELECT
+            (SELECT COUNT(*) FROM sys_log) AS total,
+            (SELECT COUNT(*) FROM sys_log WHERE create_time >= CURRENT_DATE AND create_time <![CDATA[ < ]]> CURRENT_DATE + INTERVAL '1 day') AS today,
+            (SELECT COUNT(*) FROM sys_log WHERE create_time >= CURRENT_DATE - INTERVAL '1 day' AND create_time <![CDATA[ < ]]> CURRENT_DATE) AS yesterday
     </select>
 
-    <select id="selectDashboardOverviewIp" resultType="top.continew.admin.system.model.resp.dashboard.DashboardOverviewCommonResp">
+    <select id="selectDashboardOverviewIp" databaseId="mysql" resultType="top.continew.admin.system.model.resp.dashboard.DashboardOverviewCommonResp">
         SELECT
             (SELECT COUNT(DISTINCT ip) FROM sys_log) AS total,
             (SELECT COUNT(DISTINCT ip) FROM sys_log WHERE create_time >= CURDATE() AND create_time &lt; DATE_ADD(CURDATE(), INTERVAL 1 DAY)) AS today,
             (SELECT COUNT(DISTINCT ip) FROM sys_log WHERE create_time >= DATE_SUB(CURDATE(), INTERVAL 1 DAY) AND create_time &lt; CURDATE()) AS yesterday
     </select>
+    <select id="selectDashboardOverviewIp" databaseId="pgsql" resultType="top.continew.admin.system.model.resp.dashboard.DashboardOverviewCommonResp">
+        SELECT
+                (SELECT COUNT(DISTINCT ip) FROM sys_log) AS total,
+                (SELECT COUNT(DISTINCT ip) FROM sys_log WHERE create_time >= CURRENT_DATE AND create_time <![CDATA[ < ]]> CURRENT_DATE + INTERVAL '1 day') AS today,
+                (SELECT COUNT(DISTINCT ip) FROM sys_log WHERE create_time >= CURRENT_DATE - INTERVAL '1 day' AND create_time <![CDATA[ < ]]> CURRENT_DATE) AS yesterday
+    </select>
 
-    <select id="selectListDashboardAnalysisPv"
+    <select id="selectListDashboardAnalysisPv" databaseId="mysql"
             resultType="top.continew.admin.system.model.resp.dashboard.DashboardChartCommonResp">
         SELECT
             DATE_FORMAT(create_time, '%Y-%m') AS name,
@@ -68,8 +81,21 @@
         GROUP BY name
         ORDER BY name
     </select>
+    <select id="selectListDashboardAnalysisPv" databaseId="pgsql"
+            resultType="top.continew.admin.system.model.resp.dashboard.DashboardChartCommonResp">
+        SELECT
+        TO_CHAR(create_time, 'YYYY-MM') AS name,
+        COUNT(*) AS value
+        FROM sys_log
+        WHERE TO_CHAR(create_time, 'YYYY-MM') IN
+        <foreach collection="months" item="month" separator="," open="(" close=")">
+            #{month}
+        </foreach>
+        GROUP BY name
+        ORDER BY name
+    </select>
 
-    <select id="selectListDashboardAnalysisIp"
+    <select id="selectListDashboardAnalysisIp" databaseId="mysql"
             resultType="top.continew.admin.system.model.resp.dashboard.DashboardChartCommonResp">
         SELECT
             DATE_FORMAT(create_time, '%Y-%m') AS name,
@@ -82,6 +108,19 @@
         GROUP BY name
         ORDER BY name
     </select>
+    <select id="selectListDashboardAnalysisIp" databaseId="pgsql"
+            resultType="top.continew.admin.system.model.resp.dashboard.DashboardChartCommonResp">
+        SELECT
+        TO_CHAR(create_time, 'YYYY-MM') AS name,
+        COUNT(DISTINCT ip) AS value
+        FROM sys_log
+        WHERE TO_CHAR(create_time, 'YYYY-MM') IN
+        <foreach collection="months" item="month" separator="," open="(" close=")">
+            #{month}
+        </foreach>
+        GROUP BY name
+        ORDER BY name
+    </select>
 
     <select id="selectListDashboardAnalysisGeo" resultType="top.continew.admin.system.model.resp.dashboard.DashboardChartCommonResp">
         SELECT
@@ -110,7 +149,14 @@
     <select id="selectListDashboardAnalysisTimeslot"
             resultType="top.continew.admin.system.model.resp.dashboard.DashboardChartCommonResp">
         SELECT
-            LPAD(CONCAT(FLOOR(HOUR(create_time) / 2) * 2, ':00'), 5, '0') AS name,
+            <choose>
+                <when test="_databaseId =='mysql'">
+                    LPAD(CONCAT(FLOOR(HOUR(create_time) / 2) * 2, ':00'), 5, '0') AS name,
+                </when>
+                <when test="_databaseId =='pgsql'">
+                    LPAD((FLOOR(EXTRACT(HOUR FROM create_time) / 2) * 2)::text || ':00', 5, '0') AS name,
+                </when>
+            </choose>
             COUNT(*) AS value
         FROM sys_log
         GROUP BY name
@@ -144,7 +190,14 @@
     <select id="selectListDashboardAnalysisBrowser"
             resultType="top.continew.admin.system.model.resp.dashboard.DashboardChartCommonResp">
         SELECT
-            SUBSTRING_INDEX(browser, ' ', 1) AS name,
+            <choose>
+                <when test="_databaseId =='mysql'">
+                    SUBSTRING_INDEX(browser, ' ', 1) AS name,
+                </when>
+                <when test="_databaseId =='pgsql'">
+                    SPLIT_PART(browser, ' ', 1) AS name,
+                </when>
+            </choose>
             COUNT(*) AS value
         FROM sys_log
         WHERE browser IS NOT NULL
diff --git a/continew-system/src/main/resources/mapper/user/UserPasswordHistoryMapper.xml b/continew-system/src/main/resources/mapper/user/UserPasswordHistoryMapper.xml
index 720d39e1..417773e6 100644
--- a/continew-system/src/main/resources/mapper/user/UserPasswordHistoryMapper.xml
+++ b/continew-system/src/main/resources/mapper/user/UserPasswordHistoryMapper.xml
@@ -1,9 +1,9 @@
 <?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="top.continew.admin.system.mapper.user.UserPasswordHistoryMapper">
-    <delete id="deleteExpired">
+    <delete id="deleteExpired" databaseId="mysql">
         DELETE t1 FROM sys_user_password_history AS t1
-        LEFT JOIN (
+                           LEFT JOIN (
             SELECT id
             FROM sys_user_password_history
             WHERE user_id = #{userId}
@@ -12,4 +12,15 @@
         ) AS t2 ON t2.id = t1.id
         WHERE t2.id IS NULL
     </delete>
+    <delete id="deleteExpired" databaseId="pgsql">
+        DELETE FROM sys_user_password_history AS t1
+        WHERE user_id = #{userId}
+          AND id NOT IN (
+            SELECT id
+            FROM sys_user_password_history
+            WHERE user_id = #{userId}
+            ORDER BY create_time DESC
+            LIMIT #{count}
+        )
+    </delete>
 </mapper>
\ No newline at end of file