diff --git a/webapp/controller/BattleController.class.php b/webapp/controller/BattleController.class.php
index 1df9b735..90c1f6b1 100644
--- a/webapp/controller/BattleController.class.php
+++ b/webapp/controller/BattleController.class.php
@@ -1289,4 +1289,16 @@ class BattleController extends BaseAuthedController {
         return empty($num) ? 0 : $num;
     }
 
+    private function incAlreadyAllocBoxNum($val)
+    {
+        $key = 'box_daily_already_alloc_num:' . myself()->_getNowDaySeconds();
+        $r = $this->_getRedis($key);
+        $num = intval($r->get($key));
+        if (empty($num)) {
+            $r->setPx($key, $val, 1000 * 3600 * 24 * 7);
+        } else {
+            $r->setPx($key, $num + $val, 1000 * 3600 * 24 * 7);
+        }
+    }
+
 }