fix pay

www/webapp/o2o/module/pay/index.html

@@ -159,7 +159,7 @@
             "nonceStr": urlParam.nonceStr,
             "package": 'prepay_id='+urlParam["package"],
             "signType": urlParam.signType,
-            "timeStamp": urlParam.timeStamp,
+            "timeStamp": urlParam.timeStamp.toString(),
             "paySign": urlParam.paySign
           },function(res){
             if(res.err_msg == "get_brand_wcpay_request:ok" ) {