diff --git a/WeChat/Script.php b/WeChat/Script.php
index 0a54b6b..c04be36 100644
--- a/WeChat/Script.php
+++ b/WeChat/Script.php
@@ -60,7 +60,7 @@ class Script extends BasicWeChat
                 throw new InvalidResponseException('Invalid Resoponse Ticket.', '0');
             }
             $ticket = $result['ticket'];
-            Tools::setCache($cache_name, $ticket, 5000);
+            Tools::setCache($cache_name, $ticket, 7000);
         }
         return $ticket;
     }
diff --git a/WePayV3/Order.php b/WePayV3/Order.php
index 460c995..355e2a7 100644
--- a/WePayV3/Order.php
+++ b/WePayV3/Order.php
@@ -60,10 +60,10 @@ class Order extends BasicWePay
             $prepayId = $result['prepay_id'];
             $nonceStr = Tools::createNoncestr();
             if ($type === 'app') {
-                $sign = $this->signBuild(join("\n", [$appid, $time, $nonceStr, $prepayId])."\n");
+                $sign = $this->signBuild(join("\n", [$appid, $time, $nonceStr, $prepayId, '']));
                 return ['partnerId' => $this->config['mch_id'], 'prepayId' => $prepayId, 'package' => 'Sign=WXPay', 'nonceStr' => $nonceStr, 'timeStamp' => $time, 'sign' => $sign];
             } elseif ($type === 'jsapi') {
-                $sign = $this->signBuild(join("\n", [$appid, $time, $nonceStr, "prepay_id={$prepayId}"])."\n");
+                $sign = $this->signBuild(join("\n", [$appid, $time, $nonceStr, "prepay_id={$prepayId}", '']));
                 return ['appId' => $appid, 'timeStamp' => $time, 'nonceStr' => $nonceStr, 'package' => "prepay_id={$prepayId}", 'signType' => 'RSA', 'paySign' => $sign];
             } else {
                 return $result;
diff --git a/_test/pay-v3-order-create.php b/_test/pay-v3-order-create.php
index db80007..5448b6a 100644
--- a/_test/pay-v3-order-create.php
+++ b/_test/pay-v3-order-create.php
@@ -14,10 +14,10 @@ try {
         'appid'        => 'wx60a43dd8161666d4',
         'mchid'        => $config['mch_id'],
         'description'  => '商品描述',
-        'out_trade_no' => date("YmdHis"),
+        'out_trade_no' => (string)time(),
         'notify_url'   => 'https://thinkadmin.top',
         'payer'        => ['openid' => 'o38gps3vNdCqaggFfrBRCRikwlWY'],
-        'amount'       => ['total' => 1, 'currency' => 'CNY'],
+        'amount'       => ['total' => 2, 'currency' => 'CNY'],
     ]);
 
     echo '<pre>';