fix gatewayjs redirect

src/main/ui/static/templates/alipay/v1/gateway_jsapi.js

@@ -10,12 +10,14 @@ $(document).ready(function () {
             alert('debug:origin redirect:' + window.redirect);
         }
         var redirect = window.redirect;
-        while (redirect.indexOf('://') < 0) {
+            if (window.redirect !=null) {
-            redirect = decodeURIComponent(redirect);
+                while (redirect.indexOf('://') < 0) {
-            if (redirect == window.redirect) {
+                    redirect = decodeURIComponent(redirect);
-                break;
+                    if (redirect == window.redirect) {
-            }
+                        break;
-            window.redirect = redirect;
+                    }
+                    window.redirect = redirect;
+                }
         }
 
     }