diff --git a/application/index/controller/Wap.php b/application/index/controller/Wap.php
index 7f42da31e..51fffa192 100644
--- a/application/index/controller/Wap.php
+++ b/application/index/controller/Wap.php
@@ -67,6 +67,9 @@ class Wap extends BasicWechat {
                 }
                 $pay = &load_wechat('pay');
                 $options = PayService::createWechatPayJsPicker($pay, $this->openid, $order_no, 1, 'JSAPI支付测试');
+                if ($options === false) {
+                    $options = ['code' => 3, 'msg' => "创建支付失败，{$pay->errMsg}[$pay->errCode]"];
+                }
                 return json($options);
             case 'reset':
                 session('pay-test-order-no', null);
diff --git a/application/index/view/wap.payjs.html b/application/index/view/wap.payjs.html
index 9afa31a38..ebc83f36d 100644
--- a/application/index/view/wap.payjs.html
+++ b/application/index/view/wap.payjs.html
@@ -17,7 +17,7 @@
     <p class="orderno">订单号：13412341234</p>
     <hr/>
     <div class="form-group">
-        <div class="col-sm-offset-2 col-sm-10">
+        <div class="col-sm-offset-2 col-sm-10" id="test">
             <button type="submit" class="btn btn-success">立即支付</button>
         </div>
     </div>
@@ -35,9 +35,21 @@
     wx.ready(function () {
         $('[type="submit"]').on('click', function () {
             $.get('{:url("payjs")}', {'action': 'options'}, function (ret) {
+                if (ret.code && ret.code === 2) {
+                    $('#test').append('<button type="button" class="btn btn-success">已支付，刷新支付号</button>');
+                    return $('[type="submit"]').remove();
+                }
+                if (ret.code && ret.code === 3) {
+                    return alert(ret.msg);
+                }
                 wx.chooseWXPay(ret);
             });
         });
+        $('body').on('click', '[type="button"]', function () {
+            $.get('{:url("payqrc")}', {'action': 'reset'}, function () {
+                window.location.reload();
+            });
+        });
     });
 </script>
 </html>
\ No newline at end of file