diff --git a/server/imserver/groupmgr.cc b/server/imserver/groupmgr.cc
index 63a6b57..334ff3c 100644
--- a/server/imserver/groupmgr.cc
+++ b/server/imserver/groupmgr.cc
@@ -15,6 +15,11 @@ void GroupMgr::UnInit()
 
 }
 
+void GroupMgr::_SS_MS_LoadGroup(f8::MsgHdr& hdr, const ss::SS_MS_LoadGroup& msg)
+{
+
+}
+
 void GroupMgr::_SS_MS_ForwardGroupMsg(f8::MsgHdr& hdr, const ss::SS_MS_ForwardGroupMsg& msg)
 {
     switch (hdr.msgid) {
diff --git a/server/imserver/groupmgr.h b/server/imserver/groupmgr.h
index 5a29f3a..ba939ac 100644
--- a/server/imserver/groupmgr.h
+++ b/server/imserver/groupmgr.h
@@ -14,6 +14,7 @@ namespace cs
 namespace ss
 {
     class MFIMMsgConext;
+    class SS_MS_LoadGroup;
     class SS_MS_ForwardGroupMsg;
 }
 
@@ -31,6 +32,7 @@ class GroupMgr : public a8::Singleton<GroupMgr>
     void Init();
     void UnInit();
 
+    void _SS_MS_LoadGroup(f8::MsgHdr& hdr, const ss::SS_MS_LoadGroup& msg);
     void _SS_MS_ForwardGroupMsg(f8::MsgHdr& hdr, const ss::SS_MS_ForwardGroupMsg& msg);
 
  private:
diff --git a/server/imserver/handlermgr.cc b/server/imserver/handlermgr.cc
index 6febd18..a341e1e 100644
--- a/server/imserver/handlermgr.cc
+++ b/server/imserver/handlermgr.cc
@@ -37,6 +37,7 @@ void HandlerMgr::RegisterNetMsgHandlers()
     RegisterNetMsgHandler(&immsghandler, &IMListener::_SS_Ping);
 
     RegisterNetMsgHandler(&mscmsghandler, &PlayerMgr::_SS_MS_PushUserList);
+    RegisterNetMsgHandler(&mscmsghandler, &GroupMgr::_SS_MS_LoadGroup);
     RegisterNetMsgHandler(&mscmsghandler, &GroupMgr::_SS_MS_ForwardGroupMsg);
 
     RegisterNetMsgHandler(&imcmsghandler, &PlayerMgr::_SS_IM_SendChatMsg);
diff --git a/server/tools/protobuild/ss_proto.proto b/server/tools/protobuild/ss_proto.proto
index fa347f0..8e972a3 100755
--- a/server/tools/protobuild/ss_proto.proto
+++ b/server/tools/protobuild/ss_proto.proto
@@ -81,6 +81,11 @@ message SS_MS_ForwardGroupMsg
     optional bytes payload = 2;
 }
 
+message SS_MS_LoadGroup
+{
+    optional int64 group_id = 1;
+}
+
 message SS_IM_UserOnline
 {
     optional string account_id = 1;
diff --git a/sql/relationdb_n.sql b/sql/relationdb_n.sql
index 8e5bbdb..fd9dc24 100644
--- a/sql/relationdb_n.sql
+++ b/sql/relationdb_n.sql
@@ -23,7 +23,7 @@ DROP TABLE IF EXISTS `version`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `version` (
-  `idx` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `idx` bigint  NOT NULL AUTO_INCREMENT COMMENT '自增id',
   `version` int(11) NOT NULL DEFAULT '0' COMMENT '版本号',
   PRIMARY KEY (`idx`),
   UNIQUE KEY `version` (`version`)
@@ -37,7 +37,7 @@ DROP TABLE IF EXISTS `user`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `user` (
-  `idx` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `idx` bigint  NOT NULL AUTO_INCREMENT COMMENT '自增id',
   `account_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'account_id',
   `nickname` tinyblob COMMENT 'nickname',
   `avatar_url` varchar(256) CHARACTER SET utf8 NOT NULL DEFAULT '' COMMENT '',
@@ -49,22 +49,23 @@ CREATE TABLE `user` (
   `registertime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
   `last_logintime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
   PRIMARY KEY (`idx`),
-  UNIQUE KEY `account_id` (`account_id`),
-  KEY `nickname` (`nickname`),
+  UNIQUE KEY `account_id` (`account_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 /*!40101 SET character_set_client = @saved_cs_client */;
 /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
 
--- Table structure for table `group_info`
+-- Table structure for table `group`
 --
 
-DROP TABLE IF EXISTS `group_info`;
+DROP TABLE IF EXISTS `group`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
-CREATE TABLE `group_info` (
-  `idx` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增id',
+CREATE TABLE `group` (
+  `idx` bigint NOT NULL AUTO_INCREMENT COMMENT '自增id',
   `group_id` bigint NOT NULL COMMENT 'group_id',
-  `owner_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'account_id',
+  `owner_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT '群主',
+  `creator_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT '群创建者',
+  `group_data` mediumblob COMMENT '群数据',
   `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
   `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
   PRIMARY KEY (`idx`),
@@ -74,44 +75,20 @@ CREATE TABLE `group_info` (
 /*!40101 SET character_set_client = @saved_cs_client */;
 /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
 
--- Table structure for table `group_member`
+-- Table structure for table `friend`
 --
 
-DROP TABLE IF EXISTS `group_member`;
+DROP TABLE IF EXISTS `friend`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
-CREATE TABLE `group_member` (
-  `idx` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增id',
-  `group_id` bigint NOT NULL COMMENT 'group_id',
-  `member_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'member_id',
+CREATE TABLE `friend` (
+  `idx` bigint  NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `account_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'account_id',
+  `friend_data` mediumblob COMMENT '群数据',
   `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
   `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
   PRIMARY KEY (`idx`),
-  KEY `group_id` (`group_id`),
-  KEY `member_id` (`member_id`)
-) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
-/*!40101 SET character_set_client = @saved_cs_client */;
-/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
-
--- Table structure for table `friend_relationship`
---
-
-DROP TABLE IF EXISTS `friend_relationship`;
-/*!40101 SET @saved_cs_client     = @@character_set_client */;
-/*!40101 SET character_set_client = utf8 */;
-CREATE TABLE `friend_relationship` (
-  `idx` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增id',
-  `account_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'account_id',
-  `friend_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'account_id',
-  `friend_nickname` tinyblob COMMENT 'nickname',
-  `friend_avatar_url` varchar(256) CHARACTER SET utf8 NOT NULL DEFAULT '' COMMENT '',
-  `friend_sex` int(11) NOT NULL DEFAULT '0' COMMENT 'sex',
-  `friend_data_version1` int(11) NOT NULL DEFAULT '0' COMMENT 'data_version1',
-  `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
-  PRIMARY KEY (`idx`),
-  UNIQUE KEY `account_id_friend_id` (`account_id`, `friend_id`),
-  KEY `account_id` (`account_id`),
-  KEY `friend_id` (`friend_id`)
+  KEY `account_id` (`account_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 /*!40101 SET character_set_client = @saved_cs_client */;
 /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
@@ -123,7 +100,7 @@ DROP TABLE IF EXISTS `friend_apply`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `friend_apply` (
-  `idx` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `idx` bigint  NOT NULL AUTO_INCREMENT COMMENT '自增id',
   `applyid` bigint NOT NULL COMMENT 'applyid',
   `target_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'target',
   `sender_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'sender',