diff --git a/doc/Ranking.py b/doc/Ranking.py
index b68aef0f..b166c91c 100644
--- a/doc/Ranking.py
+++ b/doc/Ranking.py
@@ -19,5 +19,18 @@ class Ranking(object):
                     _common.RspHead(),
                     ['ranking_list', _common.RankingList(), '排行榜数据']
                 ]
+            },
+            {
+                'name': 'activityRankingList',
+                'desc': '获取内试活动排行榜',
+                'group': 'Ranking',
+                'url': 'webapp/index.php?c=Ranking&a=activityRankingList',
+                'params': [
+                    _common.ReqHead(),
+                ],
+                'response': [
+                    _common.RspHead(),
+                    ['ranking_list', _common.RankingList(), '排行榜数据']
+                ]
             }
         ]
diff --git a/webapp/controller/RankingController.class.php b/webapp/controller/RankingController.class.php
index d7f28643..f0220547 100644
--- a/webapp/controller/RankingController.class.php
+++ b/webapp/controller/RankingController.class.php
@@ -72,4 +72,13 @@ class RankingController extends BaseAuthedController {
         ));
     }
 
+    public function activityRankingList()
+    {
+    }
+
+    private function internalGetActivityRankList($type)
+    {
+
+    }
+
 }
diff --git a/webapp/mt/RankActivity.php b/webapp/mt/RankActivity.php
index cdf18ae6..64bc46c5 100644
--- a/webapp/mt/RankActivity.php
+++ b/webapp/mt/RankActivity.php
@@ -13,8 +13,8 @@ class RankActivity {
 
     public static function isActivityPeriod($meta)
     {
-        return $meta['opentime'] >= myself()->_getNowTime() &&
-               $meta['closetime'] < myself()->_getNowTime();
+        return myself()->_getNowTime() >= $meta['opentime'] &&
+               myself()->_getNowTime() < $meta['closetime'];
     }
 
     protected static function getMetaList()
diff --git a/webapp/services/RankActivityService.php b/webapp/services/RankActivityService.php
index 1d324b66..2ef5da28 100644
--- a/webapp/services/RankActivityService.php
+++ b/webapp/services/RankActivityService.php
@@ -46,7 +46,7 @@ class RankActivityService extends BaseService {
             self::OP_SUM);
         $this->internalUpdateRankActivity(
             self::KILLS_TYPE,
-            getReqVal('kills_time', 0),
+            getReqVal('kills', 0),
             self::OP_SUM);
     }
 
@@ -68,7 +68,7 @@ class RankActivityService extends BaseService {
 
     private function internalUpdateRankActivity($type, $val, $opt)
     {
-        $meta = mt\RankActivity::get(type);
+        $meta = mt\RankActivity::get($type);
         if (!$meta || !mt\RankActivity::isActivityPeriod($meta)) {
             return;
         }
@@ -83,7 +83,7 @@ class RankActivityService extends BaseService {
              array(
                  'value' => function () use($val, $opt) {
                      if ($opt == self::OP_SUM) {
-                         return "value + ${val})";
+                         return "value + ${val}";
                      } else if ($opt == self::OP_GREATEST) {
                          return "GREATEST(0, ${val})";
                      } else {