diff --git a/MessageDao.xml b/MessageDao.xml
new file mode 100644
index 0000000..ead3dd7
--- /dev/null
+++ b/MessageDao.xml
@@ -0,0 +1,66 @@
+<?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.forum.dao.MessageDao">
+
+
+
+    <resultMap id="messages" type="message">
+        <id property="id" column="id"/>
+        <result property="content" column="content"/>
+        <result property="name" column="name"/>
+        <result property="msg_avatar" column="msg_avatar"/>
+        <result property="createTime" column="create_time"/>
+
+        <collection property="replies" ofType="reply">
+            <id property="id" column="rid"/>
+            <result property="content" column="con"/>
+<!--            <result property="reply_name" column="reply_name"/>-->
+            <result property="names" column="names"/>
+            <result property="createTime" column="ctime"/>
+            <result property="avatar" column="avatar"/>
+            <result property="mes_id" column="mes_id"/>
+        </collection>
+    </resultMap>
+    <delete id="deleteById">
+        delete from message where id=#{id}
+    </delete>
+
+
+    <select id="findAllMessage" resultMap="messages">
+           select m.*,
+           r.id rid,
+        r.content con,
+        r.names names,
+        r.create_time ctime,
+        r.avatar,
+        r.mes_id
+         from message m left join reply r on r.mes_id=m.id
+           order by m.create_time desc
+    </select>
+    <select id="getIndexMessage" resultMap="messages">
+           select m.*
+            from message m
+            order by m.create_time desc
+            limit 0,6
+
+
+
+
+    </select>
+    <select id="findAll" resultType="com.forum.entity.Message">
+       select id,content,name, create_time from  message
+    </select>
+
+    <insert id="saveMessage" parameterType="message">
+        insert into message (content,name,create_time,msg_avatar)
+        values (#{content},#{name},#{createTime},#{msg_avatar})
+    </insert>
+
+    <insert id="saveReplyMessage" parameterType="reply">
+        insert into reply (content,names,create_time,mes_id,avatar)
+        values (#{content},#{names},#{createTime},#{mes_id},#{avatar})
+    </insert>
+
+</mapper>