diff --git a/webapp/controller/ActivityController.class.php b/webapp/controller/ActivityController.class.php
index 52e8e6c..db0172b 100644
--- a/webapp/controller/ActivityController.class.php
+++ b/webapp/controller/ActivityController.class.php
@@ -5,6 +5,7 @@ require 'classes/AddReward.php';
 
 class ActivityController{
 
+    private $actTableCache = null;
     protected function getMysql($account_id)
     {
         $mysql_conf = getMysqlConfig(crc32($account_id));
@@ -87,8 +88,10 @@ class ActivityController{
 
     protected function getLottery($lot_id)
     {
-        $g_conf_lot_cluster = require('../res/lottery@lottery.php');
-        $lot_conf = getLotteryConfig($g_conf_lot_cluster, $lot_id);
+        if ($this->actTableCache == null) {
+            $this->actTableCache = require('../res/lottery@lottery.php');
+        }
+        $lot_conf = getLotteryConfig($this->actTableCache, $lot_id);
         $l = array(
             'id' => $lot_conf['id'],
             'item_id' => $lot_conf['item_id'],
@@ -350,23 +353,7 @@ class ActivityController{
                     ));
                 }
             }
-            for ($i1 = 0; $i1 < count($lot_array); $i1++) {
-                $l = $this->getLottery($lot_array[$i1]['key']);
-                $weight_sum += $l['jilv'];
-            }
-            $random = Rand(0, 100);
-            if ($random >= 50) {
-                $key = $lot_array[0]['key'];
-            } else {
-                $key = $lot_array[1]['key'];
-            }
-        } else if ($row['free_times'] + $row['video_times'] + 1 == 6) {
-            foreach ($user_db['draw_list'] as $draw) {
-                if (isset($draw['status']) && $draw['status'] != 0) {
-                    continue;
-                }
-                $key = $draw['key'] + 1;
-            }
+            $key = $lot_array[0]['key'];
         } else {
             foreach ($user_db['draw_list'] as $draw) {
                 if (isset($draw['status']) && $draw['status'] != 0) {