diff --git a/Application/Common/Api/GameApi.class.php b/Application/Common/Api/GameApi.class.php
index e2584ef09..db49090d7 100644
--- a/Application/Common/Api/GameApi.class.php
+++ b/Application/Common/Api/GameApi.class.php
@@ -42,6 +42,10 @@ class GameApi {
 
 		if(empty($game_data)){ $this->error_record("未找到指定游戏数据"); return false;}
 		if(empty($game_data['pay_notify_url'])){$this->error_record("未设置游戏支付通知地址"); return false;}
+		// 通知  抵扣的情况
+		if (isset($pay_data['deduction_amount']) && $pay_data['deduction_amount'] > 0) {
+		    $pay_data['cost'] += $pay_data['deduction_amount'];
+		}
 		$md5_sign = md5($pay_data['pay_order_number'].$pay_data['cost']."1".$pay_data['extend'].$game_data['game_key']);
 
 		$data = array(