diff --git a/webapp/controller/RankingController.class.php b/webapp/controller/RankingController.class.php
index 3c479d3b..ab2a1e7c 100644
--- a/webapp/controller/RankingController.class.php
+++ b/webapp/controller/RankingController.class.php
@@ -105,7 +105,7 @@ class RankingController extends BaseAuthedController {
                 )
             );
             if ($row['row_count'] > 0) {
-                $count = ceil($row['row_count'] / 10.0);
+                $count = ceil($row['row_count'] / 2);
                 $rows = myself()->_getSelfMysql()->execQuery(
                     'SELECT * FROM t_rank_activity ' .
                     'WHERE type=:type AND channel=:channel AND value>=:value ' .
@@ -135,6 +135,21 @@ class RankingController extends BaseAuthedController {
                     }
                 }
             }
+            {
+                $row = myself()->_getSelfMysql()->execQueryOne(
+                    'SELECT * FROM t_rank_activity ' .
+                    'WHERE type=:type AND channel=:channel AND account_id=:account_id;',
+                    array(
+                        ':type' => $type,
+                        ':channel' => $channel,
+                        ':account_id' => myself()->_getAccountId(),
+                    )
+                );
+                if ($row) {
+                    $myRanked['value'] = $row['value'];
+                    $myRanked['modifytime'] = $row['modifytime'];
+                }
+            }
         }
         $timeZone = 8;
         $rankingData = array(
diff --git a/webapp/controller/UserController.class.php b/webapp/controller/UserController.class.php
index 8e199650..d005bffa 100644
--- a/webapp/controller/UserController.class.php
+++ b/webapp/controller/UserController.class.php
@@ -371,12 +371,16 @@ class UserController extends BaseAuthedController {
     public function query()
     {
         $name = getReqVal('name', '');
+        $filter = array(
+            'name' => $name,
+        );
+        if (SERVER_ENV == _ONLINE) {
+            $filter['channel'] = BC_CHANNEL;
+        }
         $userDb = SqlHelper::ormSelectOne
                 ($this->_getMysql($name),
                  't_user',
-                 array(
-                     'name' => $name
-                 )
+                 $filter
                 );
         if (!$userDb) {
             $this->_rspErr(1, 'not found');
diff --git a/webapp/services/RankActivityService.php b/webapp/services/RankActivityService.php
index 770dfe0f..dfcfe77f 100644
--- a/webapp/services/RankActivityService.php
+++ b/webapp/services/RankActivityService.php
@@ -42,7 +42,7 @@ class RankActivityService extends BaseService {
     {
         $this->internalUpdateRankActivity(
             self::ALIVE_TYPE,
-            getReqVal('alive_time', 0),
+            getReqVal('alive_time', 0) / 1000,
             self::OP_SUM);
         $this->internalUpdateRankActivity(
             self::KILLS_TYPE,