diff --git a/Application/Sdk/Controller/ExchangeController.class.php b/Application/Sdk/Controller/ExchangeController.class.php
index 2768966a6..e116969e5 100644
--- a/Application/Sdk/Controller/ExchangeController.class.php
+++ b/Application/Sdk/Controller/ExchangeController.class.php
@@ -77,7 +77,7 @@ class ExchangeController extends BaseController{
             file_put_contents("./Application/Sdk/OrderNo/".$request['user_id']."-".$request['game_id'].".txt",think_encrypt(json_encode($request)));
 
 
-            echo base64_encode(json_encode(array('status'=>200,'out_trade_no'=>$out_trade_no,'img'=>C("pay_header").'/sdk.php?s=/Spend/pay_way&user_id='.$request['user_id'].'&game_id='.$request['game_id'].'&type=1')));exit;
+            echo base64_encode(json_encode(array('status'=>200,'out_trade_no'=>$out_trade_no,'img'=>'http://' . $_SERVER ['HTTP_HOST'].'/sdk.php?s=/Spend/pay_way&user_id='.$request['user_id'].'&game_id='.$request['game_id'].'&type=1')));exit;
 
         } else {
 
@@ -107,7 +107,7 @@ class ExchangeController extends BaseController{
 
                             file_put_contents("./Application/Sdk/OrderNo/".$request['user_id']."-".$request['game_id'].".txt",think_encrypt(json_encode($request)));
 
-                            echo base64_encode(json_encode(array('status'=>200,'out_trade_no'=>$out_trade_no,'img'=>C("pay_header").'/sdk.php?s=/Spend/pay_way&user_id='.$request['user_id'].'&game_id='.$request['game_id'].'&type=1')));exit;
+                            echo base64_encode(json_encode(array('status'=>200,'out_trade_no'=>$out_trade_no,'img'=>'http://' . $_SERVER ['HTTP_HOST'].'/sdk.php?s=/Spend/pay_way&user_id='.$request['user_id'].'&game_id='.$request['game_id'].'&type=1')));exit;
 
 			}elseif(!get_game_appstatus2($request['game_id'])&&$request['is_create_ordernumer']==1){ /* 苹果支付 */