diff --git a/composer.json b/composer.json
index eaa958b04..400046468 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,7 @@
 {
   "type": "project",
   "name": "zoujingli/thinkadmin",
+  "license": "MIT",
   "authors": [
     {
       "name": "Anyon",
diff --git a/vendor/autoload.php b/vendor/autoload.php
index cbe08efa3..1c7d28307 100644
--- a/vendor/autoload.php
+++ b/vendor/autoload.php
@@ -4,4 +4,4 @@
 
 require_once __DIR__ . '/composer/autoload_real.php';
 
-return ComposerAutoloaderInit8221d9d28aec2b292a3f5c4c16a2acdf::getLoader();
+return ComposerAutoloaderInitbe3e9ba0155bdb933f2ae90b5ee37778::getLoader();
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
index 281dbe5ab..703c6bafc 100644
--- a/vendor/composer/autoload_real.php
+++ b/vendor/composer/autoload_real.php
@@ -2,7 +2,7 @@
 
 // autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInit8221d9d28aec2b292a3f5c4c16a2acdf
+class ComposerAutoloaderInitbe3e9ba0155bdb933f2ae90b5ee37778
 {
     private static $loader;
 
@@ -19,15 +19,15 @@ class ComposerAutoloaderInit8221d9d28aec2b292a3f5c4c16a2acdf
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInit8221d9d28aec2b292a3f5c4c16a2acdf', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInitbe3e9ba0155bdb933f2ae90b5ee37778', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader();
-        spl_autoload_unregister(array('ComposerAutoloaderInit8221d9d28aec2b292a3f5c4c16a2acdf', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInitbe3e9ba0155bdb933f2ae90b5ee37778', '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\ComposerStaticInit8221d9d28aec2b292a3f5c4c16a2acdf::getInitializer($loader));
+            call_user_func(\Composer\Autoload\ComposerStaticInitbe3e9ba0155bdb933f2ae90b5ee37778::getInitializer($loader));
         } else {
             $map = require __DIR__ . '/autoload_namespaces.php';
             foreach ($map as $namespace => $path) {
@@ -48,19 +48,19 @@ class ComposerAutoloaderInit8221d9d28aec2b292a3f5c4c16a2acdf
         $loader->register(true);
 
         if ($useStaticLoader) {
-            $includeFiles = Composer\Autoload\ComposerStaticInit8221d9d28aec2b292a3f5c4c16a2acdf::$files;
+            $includeFiles = Composer\Autoload\ComposerStaticInitbe3e9ba0155bdb933f2ae90b5ee37778::$files;
         } else {
             $includeFiles = require __DIR__ . '/autoload_files.php';
         }
         foreach ($includeFiles as $fileIdentifier => $file) {
-            composerRequire8221d9d28aec2b292a3f5c4c16a2acdf($fileIdentifier, $file);
+            composerRequirebe3e9ba0155bdb933f2ae90b5ee37778($fileIdentifier, $file);
         }
 
         return $loader;
     }
 }
 
-function composerRequire8221d9d28aec2b292a3f5c4c16a2acdf($fileIdentifier, $file)
+function composerRequirebe3e9ba0155bdb933f2ae90b5ee37778($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 5f8ce1333..ade0f4f5e 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -4,7 +4,7 @@
 
 namespace Composer\Autoload;
 
-class ComposerStaticInit8221d9d28aec2b292a3f5c4c16a2acdf
+class ComposerStaticInitbe3e9ba0155bdb933f2ae90b5ee37778
 {
     public static $files = array (
         '841780ea2e1d6545ea3a253239d59c05' => __DIR__ . '/..' . '/qiniu/php-sdk/src/Qiniu/functions.php',
@@ -346,9 +346,9 @@ class ComposerStaticInit8221d9d28aec2b292a3f5c4c16a2acdf
     public static function getInitializer(ClassLoader $loader)
     {
         return \Closure::bind(function () use ($loader) {
-            $loader->prefixLengthsPsr4 = ComposerStaticInit8221d9d28aec2b292a3f5c4c16a2acdf::$prefixLengthsPsr4;
-            $loader->prefixDirsPsr4 = ComposerStaticInit8221d9d28aec2b292a3f5c4c16a2acdf::$prefixDirsPsr4;
-            $loader->classMap = ComposerStaticInit8221d9d28aec2b292a3f5c4c16a2acdf::$classMap;
+            $loader->prefixLengthsPsr4 = ComposerStaticInitbe3e9ba0155bdb933f2ae90b5ee37778::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInitbe3e9ba0155bdb933f2ae90b5ee37778::$prefixDirsPsr4;
+            $loader->classMap = ComposerStaticInitbe3e9ba0155bdb933f2ae90b5ee37778::$classMap;
 
         }, null, ClassLoader::class);
     }
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index ffc411b14..62b56a876 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -499,12 +499,12 @@
         "source": {
             "type": "git",
             "url": "https://github.com/zoujingli/ThinkLibrary.git",
-            "reference": "e0532657e7408ffb76806b421d34e9833e414ea1"
+            "reference": "d4366fa9d4f48400391f9983c9771494c75aba95"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/e0532657e7408ffb76806b421d34e9833e414ea1",
-            "reference": "e0532657e7408ffb76806b421d34e9833e414ea1",
+            "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/d4366fa9d4f48400391f9983c9771494c75aba95",
+            "reference": "d4366fa9d4f48400391f9983c9771494c75aba95",
             "shasum": "",
             "mirrors": [
                 {
@@ -523,7 +523,7 @@
             "qiniu/php-sdk": "^7.2",
             "topthink/framework": "5.1.*"
         },
-        "time": "2019-06-13T02:34:10+00:00",
+        "time": "2019-06-15T04:07:28+00:00",
         "type": "library",
         "installation-source": "dist",
         "autoload": {
diff --git a/vendor/zoujingli/think-library/readme.md b/vendor/zoujingli/think-library/readme.md
index 03ebb0ed9..93c9957de 100644
--- a/vendor/zoujingli/think-library/readme.md
+++ b/vendor/zoujingli/think-library/readme.md
@@ -1,7 +1,4 @@
-[![Latest Stable Version](https://poser.pugx.org/zoujingli/think-library/v/stable)](https://packagist.org/packages/zoujingli/think-library) 
-[![Latest Unstable Version](https://poser.pugx.org/zoujingli/think-library/v/unstable)](https://packagist.org/packages/zoujingli/think-library) 
-[![Total Downloads](https://poser.pugx.org/zoujingli/think-library/downloads)](https://packagist.org/packages/zoujingli/think-library) 
-[![License](https://poser.pugx.org/zoujingli/think-library/license)](https://packagist.org/packages/zoujingli/think-library)
+[![Latest Stable Version](https://poser.pugx.org/zoujingli/think-library/v/stable)](https://packagist.org/packages/zoujingli/think-library) [![Total Downloads](https://poser.pugx.org/zoujingli/think-library/downloads)](https://packagist.org/packages/zoujingli/think-library) [![Latest Unstable Version](https://poser.pugx.org/zoujingli/think-library/v/unstable)](https://packagist.org/packages/zoujingli/think-library) [![License](https://poser.pugx.org/zoujingli/think-library/license)](https://packagist.org/packages/zoujingli/think-library)
 
 # ThinkLibrary for ThinkPHP5.1
 ThinkLibrary 是针对 ThinkPHP5.1 版本封装的一套工具类库，方便快速构建 WEB 应用。
diff --git a/vendor/zoujingli/think-library/src/tools/Data.php b/vendor/zoujingli/think-library/src/tools/Data.php
index 8b849a958..2d2aee8e0 100644
--- a/vendor/zoujingli/think-library/src/tools/Data.php
+++ b/vendor/zoujingli/think-library/src/tools/Data.php
@@ -154,22 +154,22 @@ class Data
 
     /**
      * 获取随机字符串编码
-     * @param integer $length
-     * @param integer $type
+     * @param integer $length 字符串长度
+     * @param integer $type 字符串类型(1纯数字,2纯字母,3数字字母)
      * @return string
      */
     public static function randomCode($length = 10, $type = 1)
     {
-        list($nchars, $schars) = [join('', range(0, 9)), join('', range('a', 'z'))];
-        if (intval($type) === 1) list($strs, $chars) = [range(1, 9), $nchars];
-        if (intval($type) === 2) list($strs, $chars) = ['', $schars];
-        if (intval($type) === 3) list($strs, $chars) = ['', $nchars . $schars];
-        if (isset($strs) && isset($chars)) {
-            while (strlen($strs) < $length) $strs .= $chars[rand(0, strlen($chars) - 1)];
-            return $strs;
-        } else {
-            return self::uniqidNumberCode();
+        $numbs = '0123456789';
+        $chars = 'abcdefghijklmnopqrstuvwxyz';
+        if (intval($type) === 1) $chars = $numbs;
+        if (intval($type) === 2) $chars = "a{$chars}";
+        if (intval($type) === 3) $chars = "{$numbs}{$chars}";
+        $string = $chars[rand(1, strlen($chars) - 1)];
+        if (isset($chars)) while (strlen($string) < $length) {
+            $string .= $chars[rand(0, strlen($chars) - 1)];
         }
+        return $string;
     }
 
     /**