ok

app/Http/Controllers/QuickApp/Order/OrdersController.php

@@ -663,6 +663,6 @@ class OrdersController extends BaseController
     {
         $param = $request->except('_url');
         myLog('wxpay')->info($param);
-        return view('pay.middleware');
+        return view('pay.middleware')->with($param);
     }
 }

resources/views/pay/middleware.blade.php

@@ -7,22 +7,7 @@
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
 </head>
 <script>
-    function getQueryVariable(variable)
-    {
-        var query = window.location.search.substring(1);
-        var vars = query.split("&");
-        for (var i=0;i<vars.length;i++) {
-                var pair = vars[i].split("=");
-                if(pair[0] == variable){return pair[1];}
-        }
-        return(false);
-    }
-    var wx_url = getQueryVariable('wx_url');
-    console.log(wx_url);
-    if(wx_url)
-    {
-        window.location.href = wx_url;
-    }
+        window.location.href = {{$mweb_url}};
 </script>
 
 </html>