diff --git a/sql/gamedb.sql b/sql/gamedb.sql
index c5b5d90..bf5cd48 100644
--- a/sql/gamedb.sql
+++ b/sql/gamedb.sql
@@ -48,6 +48,8 @@ CREATE TABLE `t_user` (
   `head_list` mediumblob COMMENT '拥有的头像列表',
   `head_frame_list` mediumblob COMMENT '拥有的头像框列表',
   `consume_gold` bigint NOT NULL DEFAULT '0' COMMENT '消费金币数',
+  `score_modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '积分修改时间',
+  `best_rank_modifytime` int(11) NOT NULL DEFAULT '0' COMMENT 'bestrank修改时间',
   `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`),
@@ -253,6 +255,7 @@ CREATE TABLE `t_battle_record` (
   `idx` bigint NOT NULL AUTO_INCREMENT COMMENT '自增id',
   `account_id` varchar(60) NOT NULL DEFAULT '' COMMENT '账号id(channel + "_" + gameid + "_" + openid)',
   `request` mediumblob COMMENT 'request',
+  `kills_modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '击杀修改时间',
   `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`),
@@ -275,11 +278,15 @@ CREATE TABLE `t_season` (
   `card_exp` int(11) NOT NULL DEFAULT '0' COMMENT '赛季手册经验',
   `rank` int(11) NOT NULL DEFAULT '0' COMMENT '段位',
   `score` int(11) NOT NULL DEFAULT '0' COMMENT '积分',
+  `history_best_rank` int(11) NOT NULL DEFAULT '0' COMMENT '历史最高段位',
   `gift_state1` int(11) NOT NULL DEFAULT '0' COMMENT '普通礼包购买状态 0:未购 1:已购',
   `gift_buytime1` int(11) NOT NULL DEFAULT '0' COMMENT '普通礼包购买时间',
   `gift_state2` int(11) NOT NULL DEFAULT '0' COMMENT '豪华礼包购买状态 0:未购 1:已购',
   `gift_buytime2` int(11) NOT NULL DEFAULT '0' COMMENT '豪华礼包购买时间',
   `battle_data` mediumblob COMMENT 'battle_data',
+  `kills_modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '击杀修改时间',
+  `score_modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '积分修改时间',
+  `best_rank_modifytime` int(11) NOT NULL DEFAULT '0' COMMENT 'bestrank修改时间',
   `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`),
diff --git a/webapp/controller/UserController.class.php b/webapp/controller/UserController.class.php
index 817c5d4..78fda8f 100644
--- a/webapp/controller/UserController.class.php
+++ b/webapp/controller/UserController.class.php
@@ -149,6 +149,8 @@ class UserController extends BaseAuthedController {
                  'last_season_id' => $currSeasonMeta ? $currSeasonMeta['id'] : 0,
                  'head_list' => json_encode($headList),
                  'head_frame_list' => json_encode($headFrameList),
+                 'score_createtime' => $this->_getNowTime(),
+                 'best_rank_createtime' => $this->_getNowTime(),
                  'createtime' => $this->_getNowTime(),
                  'modifytime' => $this->_getNowTime(),
              )
diff --git a/webapp/models/Battle.php b/webapp/models/Battle.php
index a310ffa..b015b1c 100644
--- a/webapp/models/Battle.php
+++ b/webapp/models/Battle.php
@@ -34,10 +34,23 @@ class Battle extends BaseModel {
              array(
                  'account_id' => myself()->_getAccountId(),
                  'battle_data' => $battleData,
+                 'kills_modifytime' => myself()->_getNowTime(),
                  'createtime' => myself()->_getNowTime(),
                  'modifytime' => myself()->_getNowTime()
              )
             );
     }
 
+    public static function update($fieldsKv)
+    {
+        SqlHelper::upsert
+            (myself()->_getSelfMysql(),
+            't_battle',
+             array(
+                 'account_id' => myself()->_getAccountId(),
+             ),
+             $fieldsKv
+            );
+    }
+
 }
diff --git a/webapp/models/Season.php b/webapp/models/Season.php
index a080aa2..d549f46 100644
--- a/webapp/models/Season.php
+++ b/webapp/models/Season.php
@@ -45,6 +45,9 @@ class Season extends BaseModel {
                 'season_id' => $seasonId,
                 'card_lv' => $initSeasonCard ? $initSeasonCard['lv'] : 1,
                 'card_exp' => $initSeasonCard ? $initSeasonCard['min_exp'] : 0,
+                'kills_modifytime' => myself()->_getNowTime(),
+                'score_modifytime' => myself()->_getNowTime(),
+                'best_rank_modifytime' => myself()->_getNowTime(),
                 'createtime' => myself()->_getNowTime(),
                 'modifytime' => myself()->_getNowTime()
             )
diff --git a/webapp/services/BattleDataService.php b/webapp/services/BattleDataService.php
index a2dcbb8..6168a72 100644
--- a/webapp/services/BattleDataService.php
+++ b/webapp/services/BattleDataService.php
@@ -80,7 +80,17 @@ class BattleDataService extends BaseService {
                  'modifytime' => myself()->_getNowTime()
             );
         }
+        $oldSeasonDataKills = getXVal($seasonBattleData['season_data'], 'total_kills_times', 0);
         $this->apply($seasonBattleData['season_data']);
+        $newSeasonDataKills = getXVal($seasonBattleData['season_data'], 'total_kills_times', 0);
+        if ($newSeasonDataKills > $oldSeasonDataKills) {
+            Season::update($this->currSeasonMeta['id'], array(
+                'kills_modifytime' => myself()->_getNowTime(),
+            ));
+            Battle::update(array(
+                'kills_modifytime' => myself()->_getNowTime(),
+            ));
+        }
         $this->apply($seasonBattleData['today_data']);
         $this->apply($seasonBattleData['this_week_data']);
         Season::update(
@@ -255,11 +265,19 @@ class BattleDataService extends BaseService {
                 myself()->_updateUserInfo(array(
                     'rank' => $newRank,
                     'score' => $newScore,
-                    'history_best_rank' => max($userInfo['rank'], $newRank)
+                    'history_best_rank' => max($userInfo['rank'], $newRank),
+                    'score_modifytime' => myself()->_getNowTime(),
+                    'best_rank_modifytime' => $newRank > $userInfo['rank'] ?
+                    myself()->_getNowTime() : $userInfo['best_rank_modifytime'],
                 ));
                 Season::update($this->currSeasonMeta['id'], array(
                     'rank' => $newRank,
-                    'score' => $newScore
+                    'score' => $newScore,
+                    'history_best_rank' => max($userInfo['rank'], $newRank),
+                    'score_modifytime' => myself()->_getNowTime(),
+                    'score_modifytime' => myself()->_getNowTime(),
+                    'best_rank_modifytime' => $newRank > $userInfo['rank'] ?
+                    myself()->_getNowTime() : $userInfo['best_rank_modifytime'],
                 ));
             }
         }