diff --git a/vendor/autoload.php b/vendor/autoload.php
index 5502f1b4f..628adbbcd 100644
--- a/vendor/autoload.php
+++ b/vendor/autoload.php
@@ -4,4 +4,4 @@
 
 require_once __DIR__ . '/composer/autoload_real.php';
 
-return ComposerAutoloaderInit08d118919634ee23e1a930bd6ef41bc2::getLoader();
+return ComposerAutoloaderInite4f62b825d40d3e077bb16351eabf2a4::getLoader();
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
index e1b49ae52..df2d928c5 100644
--- a/vendor/composer/autoload_real.php
+++ b/vendor/composer/autoload_real.php
@@ -2,7 +2,7 @@
 
 // autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInit08d118919634ee23e1a930bd6ef41bc2
+class ComposerAutoloaderInite4f62b825d40d3e077bb16351eabf2a4
 {
     private static $loader;
 
@@ -19,15 +19,15 @@ class ComposerAutoloaderInit08d118919634ee23e1a930bd6ef41bc2
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInit08d118919634ee23e1a930bd6ef41bc2', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInite4f62b825d40d3e077bb16351eabf2a4', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader();
-        spl_autoload_unregister(array('ComposerAutoloaderInit08d118919634ee23e1a930bd6ef41bc2', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInite4f62b825d40d3e077bb16351eabf2a4', 'loadClassLoader'));
 
         $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
         if ($useStaticLoader) {
             require_once __DIR__ . '/autoload_static.php';
 
-            call_user_func(\Composer\Autoload\ComposerStaticInit08d118919634ee23e1a930bd6ef41bc2::getInitializer($loader));
+            call_user_func(\Composer\Autoload\ComposerStaticInite4f62b825d40d3e077bb16351eabf2a4::getInitializer($loader));
         } else {
             $map = require __DIR__ . '/autoload_namespaces.php';
             foreach ($map as $namespace => $path) {
@@ -48,19 +48,19 @@ class ComposerAutoloaderInit08d118919634ee23e1a930bd6ef41bc2
         $loader->register(true);
 
         if ($useStaticLoader) {
-            $includeFiles = Composer\Autoload\ComposerStaticInit08d118919634ee23e1a930bd6ef41bc2::$files;
+            $includeFiles = Composer\Autoload\ComposerStaticInite4f62b825d40d3e077bb16351eabf2a4::$files;
         } else {
             $includeFiles = require __DIR__ . '/autoload_files.php';
         }
         foreach ($includeFiles as $fileIdentifier => $file) {
-            composerRequire08d118919634ee23e1a930bd6ef41bc2($fileIdentifier, $file);
+            composerRequiree4f62b825d40d3e077bb16351eabf2a4($fileIdentifier, $file);
         }
 
         return $loader;
     }
 }
 
-function composerRequire08d118919634ee23e1a930bd6ef41bc2($fileIdentifier, $file)
+function composerRequiree4f62b825d40d3e077bb16351eabf2a4($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
         require $file;
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index 41a421a33..0a10923c7 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -4,7 +4,7 @@
 
 namespace Composer\Autoload;
 
-class ComposerStaticInit08d118919634ee23e1a930bd6ef41bc2
+class ComposerStaticInite4f62b825d40d3e077bb16351eabf2a4
 {
     public static $files = array (
         '1cfd2761b63b0a29ed23657ea394cb2d' => __DIR__ . '/..' . '/topthink/think-captcha/src/helper.php',
@@ -303,9 +303,9 @@ class ComposerStaticInit08d118919634ee23e1a930bd6ef41bc2
     public static function getInitializer(ClassLoader $loader)
     {
         return \Closure::bind(function () use ($loader) {
-            $loader->prefixLengthsPsr4 = ComposerStaticInit08d118919634ee23e1a930bd6ef41bc2::$prefixLengthsPsr4;
-            $loader->prefixDirsPsr4 = ComposerStaticInit08d118919634ee23e1a930bd6ef41bc2::$prefixDirsPsr4;
-            $loader->classMap = ComposerStaticInit08d118919634ee23e1a930bd6ef41bc2::$classMap;
+            $loader->prefixLengthsPsr4 = ComposerStaticInite4f62b825d40d3e077bb16351eabf2a4::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInite4f62b825d40d3e077bb16351eabf2a4::$prefixDirsPsr4;
+            $loader->classMap = ComposerStaticInite4f62b825d40d3e077bb16351eabf2a4::$classMap;
 
         }, null, ClassLoader::class);
     }
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 3a1ba589d..f7049b38a 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -443,17 +443,17 @@
     },
     {
         "name": "zoujingli/wechat-developer",
-        "version": "v1.1.16",
-        "version_normalized": "1.1.16.0",
+        "version": "v1.1.17",
+        "version_normalized": "1.1.17.0",
         "source": {
             "type": "git",
             "url": "https://github.com/zoujingli/WeChatDeveloper.git",
-            "reference": "8cd19c0e19ada95428709aa35f58e2bd00340b47"
+            "reference": "7438d3b7081ddbdb8320cf7762896d705710cf28"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/zoujingli/WeChatDeveloper/zipball/8cd19c0e19ada95428709aa35f58e2bd00340b47",
-            "reference": "8cd19c0e19ada95428709aa35f58e2bd00340b47",
+            "url": "https://api.github.com/repos/zoujingli/WeChatDeveloper/zipball/7438d3b7081ddbdb8320cf7762896d705710cf28",
+            "reference": "7438d3b7081ddbdb8320cf7762896d705710cf28",
             "shasum": "",
             "mirrors": [
                 {
@@ -468,7 +468,7 @@
             "ext-openssl": "*",
             "php": ">=5.4"
         },
-        "time": "2018-10-24T08:59:25+00:00",
+        "time": "2018-10-27T07:50:34+00:00",
         "type": "library",
         "installation-source": "dist",
         "autoload": {
diff --git a/vendor/zoujingli/wechat-developer/WeChat/Contracts/BasicPay.php b/vendor/zoujingli/wechat-developer/WeChat/Contracts/BasicPay.php
index 263ede660..eff91acd2 100644
--- a/vendor/zoujingli/wechat-developer/WeChat/Contracts/BasicPay.php
+++ b/vendor/zoujingli/wechat-developer/WeChat/Contracts/BasicPay.php
@@ -95,9 +95,8 @@ class BasicPay
     public function getPaySign(array $data, $signType = 'MD5', $buff = '')
     {
         ksort($data);
-        foreach ($data as $k => $v) {
-            $buff .= "{$k}={$v}&";
-        }
+        if (isset($data['sign'])) unset($data['sign']);
+        foreach ($data as $k => $v) $buff .= "{$k}={$v}&";
         $buff .= ("key=" . $this->config->get('mch_key'));
         if (strtoupper($signType) === 'MD5') {
             return strtoupper(md5($buff));
@@ -109,7 +108,7 @@ class BasicPay
      * 转换短链接
      * @param string $longUrl 需要转换的URL，签名用原串，传输需URLencode
      * @return array
-     * @throws \WeChat\Exceptions\ExcInvalidResponseException
+     * @throws InvalidResponseException
      * @throws \WeChat\Exceptions\LocalCacheException
      */
     public function shortUrl($longUrl)