超时跳到下载页

@@ -11,6 +11,7 @@ var qrCheck = {
 
     init: function() {
         var ifr,
+            time,
             qr = this.getQuery('qr');
 
         if (qr) {
@@ -18,7 +19,14 @@ var qrCheck = {
             ifr.src = 'yohobuy://http://m.yohobuy.com/signin.html?qr=' + qr;
             ifr.style.display = 'none';
             document.body.appendChild(ifr);
-            window.location.href = 'yohobuy://http://m.yohobuy.com/signin.html?qr=' + qr;
+
+            time = Date.now();
+            window.setTimeout(function() {
+                document.body.removeChild(ifr);
+                if (Date.now() - time < 2200) {
+                    window.location.href = 'http://a.app.qq.com/o/simple.jsp?pkgname=com.yoho';
+                }
+            }, 2000);
         }
     }
 };