diff --git a/webapp/sdkwarpper/UnifiedWeiXin.php b/webapp/sdkwarpper/UnifiedWeiXin.php
index 90f57ad..aed9728 100644
--- a/webapp/sdkwarpper/UnifiedWeiXin.php
+++ b/webapp/sdkwarpper/UnifiedWeiXin.php
@@ -35,6 +35,10 @@ class UnifiedWeiXin extends BaseSdk {
 
     public function preOrder()
     {
+        if (!($_REQUEST['unified_trade_type'])) {
+            phpcommon\sendError(1, '参数错误,unified_trade_type必须为MWEB或JSAPI');
+            return;
+        }
         $this->gameid = phpcommon\extractGameId($_REQUEST['account_id']);
         $this->real_channel = phpcommon\extractChannel($_REQUEST['account_id']);
         $this->loadConfig();
@@ -65,7 +69,7 @@ class UnifiedWeiXin extends BaseSdk {
             'total_fee' => '101',
             'spbill_create_ip' => phpcommon\getIPv4(),
             'notify_url' => 'https://gamepay.kingsome.cn/webapp/paynotify/unified_weixin.php',
-            'trade_type' => 'MWEB',
+            'trade_type' => $_REQUEST['unified_trade_type'],
             //'scene_info' => '',
         );
         if (SERVER_ENV != _ONLINE) {
@@ -92,12 +96,22 @@ class UnifiedWeiXin extends BaseSdk {
             phpcommon\sendError(2, $xml->return_msg);
             return;
         }
-        echo json_encode(array(
-            'errcode' => 0,
-            'errmsg' => '',
-            'cp_orderid' => $cp_orderid,
-            'prepayid' => $xml->prepay_id
-        ));
+        if ($_REQUEST['unified_trade_type'] == 'MWEB') {
+            echo json_encode(array(
+                'errcode' => 0,
+                'errmsg' => '',
+                'cp_orderid' => $cp_orderid,
+                'prepayid' => '' . $xml->prepay_id,
+                'pay_jump_url' => '' . $xml->mweb_url
+            ));
+        } else {
+            echo json_encode(array(
+                'errcode' => 0,
+                'errmsg' => '',
+                'cp_orderid' => $cp_orderid,
+                'prepayid' => '' . $xml->prepay_id
+            ));
+        }
     }
 
     public function payNotify()