diff --git a/sql/kefudb.sql b/sql/kefudb.sql
index 1e2272d..f9aba8e 100644
--- a/sql/kefudb.sql
+++ b/sql/kefudb.sql
@@ -42,8 +42,9 @@ CREATE TABLE `accounts` (
   `accountid` varchar(60) DEFAULT '' COMMENT '账号id(channel + "_" + gameid + "_" + openid)',
   `channel` int(11) NOT NULL COMMENT 'channel',
   `gameid` int(11) NOT NULL COMMENT 'gameid',
-  `openid` varchar(50) NOT NULL COMMENT '平台openid',
+  `openid` varchar(50) NOT NULL COMMENT '平台',
   `awardtime` int(11) NOT NULL DEFAULT '0' COMMENT '最后领奖时间',
+  `activetime` int(11) NOT NULL DEFAULT '0' COMMENT '最后交互时间',
   PRIMARY KEY (`idx`),
   UNIQUE KEY `accountid` (`accountid`),
   UNIQUE KEY `channel_gameid_openid_index` (`channel`,`gameid`,`openid`),
diff --git a/sql/kefudb_n_migrate_191023_01.sql b/sql/kefudb_n_migrate_191023_01.sql
new file mode 100644
index 0000000..c90ff78
--- /dev/null
+++ b/sql/kefudb_n_migrate_191023_01.sql
@@ -0,0 +1,8 @@
+begin;
+
+alter table accounts add `activetime` int(11) NOT NULL DEFAULT '0' COMMENT '最后交互时间';
+UPDATE accounts set activetime=unix_timestamp(now()) WHERE 1=1;
+
+insert into version (version) values(2019102301);
+
+commit;
diff --git a/webapp/controller/KefuController.class.php b/webapp/controller/KefuController.class.php
index 6fa27e7..1f53d1f 100644
--- a/webapp/controller/KefuController.class.php
+++ b/webapp/controller/KefuController.class.php
@@ -275,7 +275,7 @@ class KefuController {
         $last_idx = 0;
         $share_conf = require('../config/kefu.share.config.php');
         while (true) {
-            $rows = $conn->execQuery('SELECT idx, accountid, openid, awardtime, gameid ' .
+            $rows = $conn->execQuery('SELECT idx, accountid, openid, awardtime, gameid, activetime ' .
                                      ' FROM accounts WHERE idx > :last_idx LIMIT 0, 1000;',
                                      array(
                                          ':last_idx' => $last_idx,
@@ -284,19 +284,21 @@ class KefuController {
                 break;
             }
             foreach ($rows as $row) {
-                if (isset($share_conf[$row['gameid']])) {
-                    $game_conf = $share_conf[$row['gameid']];
-                    if (!isset($media_conf[$row['gameid']])) {
-                        $media_conf[$row['gameid']] = $this->getMediaId($row['gameid']);
-                    }
-                    $game_conf['thumb_media_id'] = $media_conf[$row['gameid']];
-                    $this->sendKefuMsg($row['accountid'],
-                                       array (
-                                           "touser" => $row['openid'],
-                                           "msgtype" => "miniprogrampage",
-                                           "miniprogrampage" => $game_conf
-                                       ));
+                if (time() - $row['activetime'] < 3600) {
+                    if (isset($share_conf[$row['gameid']])) {
+                        $game_conf = $share_conf[$row['gameid']];
+                        if (!isset($media_conf[$row['gameid']])) {
+                            $media_conf[$row['gameid']] = $this->getMediaId($row['gameid']);
+                        }
+                        $game_conf['thumb_media_id'] = $media_conf[$row['gameid']];
+                        $this->sendKefuMsg($row['accountid'],
+                                           array (
+                                               "touser" => $row['openid'],
+                                               "msgtype" => "miniprogrampage",
+                                               "miniprogrampage" => $game_conf
+                                           ));
 
+                    }
                 }
                 if ($row['idx'] > $last_idx) {
                     $last_idx = $row['idx'];
@@ -328,7 +330,7 @@ class KefuController {
             return;
         }
         $conn = $this->getMysql($accountid);
-        $row = $conn->execQueryOne('SELECT awardtime ' .
+        $row = $conn->execQueryOne('SELECT awardtime, activetime ' .
                                    ' FROM accounts WHERE accountid = :accountid;',
                                    array(
                                        ':accountid' => $accountid,
@@ -352,11 +354,12 @@ class KefuController {
         }
         if ($this->sendAwardMail($accountid, $awardConfig)) {
             $ret = $conn->execScript('UPDATE accounts SET ' .
-                                     ' awardtime=:awardtime ' .
+                                     ' awardtime=:awardtime, activetime=:activetime ' .
                                      ' WHERE accountid=:accountid; ',
                                      array(
                                          ':accountid' => $accountid,
-                                         ':awardtime' => time()
+                                         ':awardtime' => time(),
+                                         ':activetime' => time()
                                      ));
             if ($ret) {
                 $this->sendKefuMsg($accountid, array (
@@ -372,8 +375,8 @@ class KefuController {
     {
         if ($msg['Event'] == 'user_enter_tempsession') {
             $conn = $this->getMysql($accountid);
-            $ret = $conn->execScript('INSERT INTO accounts(accountid, channel, gameid, openid, awardtime) ' .
-                                     'SELECT :accountid, :channel, :gameid, :openid, :awardtime ' .
+            $ret = $conn->execScript('INSERT INTO accounts(accountid, channel, gameid, openid, awardtime, activetime) ' .
+                                     'SELECT :accountid, :channel, :gameid, :openid, :awardtime, :activetime ' .
                                      'FROM DUAL ' .
                                      'WHERE NOT EXISTS(SELECT accountid FROM accounts WHERE accountid=:accountid);',
                                      array(
@@ -381,7 +384,8 @@ class KefuController {
                                          ':channel' => WEIXIN_CHANNEL,
                                          ':gameid' => phpcommon\extractGameId($accountid),
                                          ':openid' => $msg['FromUserName'],
-                                         ':awardtime' => 0
+                                         ':awardtime' => 0,
+                                         ':activetime' => 0
                                      ));
             if ($ret) {
                 $this->sendKefuMsg($accountid, array(