diff --git a/webapp/controller/RoleController.class.php b/webapp/controller/RoleController.class.php
index b715328..965aa69 100644
--- a/webapp/controller/RoleController.class.php
+++ b/webapp/controller/RoleController.class.php
@@ -258,9 +258,6 @@ class RoleController{
         $times = $this->getRewardTimes($coin_num);
         $extra_coin = $coin_num * ($times - 1);
         error_log(11111111);
-        $extra_drop = "";
-        $skin_id = $skin_id_array[$keys][0];
-        $skin_num = $skin_num_array[$keys][0];
         $p_battle_reward = $this->getParameter(MAX_BATTLE_REWARD);
         if ($row['battle_re_times'] >= $p_battle_reward['param_value']) {
             $extra_drop = '10001:' . $extra_coin;