diff --git a/src/cache/Mysql.php b/src/cache/Mysql.php
index 3e567d8..a33fcb1 100644
--- a/src/cache/Mysql.php
+++ b/src/cache/Mysql.php
@@ -16,7 +16,147 @@
 
 namespace DtApp\ThinkLibrary\cache;
 
+use DtApp\ThinkLibrary\exception\CacheException;
+use think\db\exception\DbException;
+use think\facade\Db;
+
+/**
+ * 缓存数据库驱动
+ * Class Mysql
+ * @package DtApp\ThinkLibrary\cache
+ */
 class Mysql
 {
+    private $table = "think_cache";
+    private $cache_name;
+    private $cache_expire = 0;
+
+    /**
+     * 名称
+     * @param string $cache_name
+     * @return $this
+     */
+    public function name(string $cache_name)
+    {
+        $this->cache_name = $cache_name;
+        return $this;
+    }
+
+    /**
+     * 过期时间
+     * @param string $cache_expire
+     * @return $this
+     */
+    public function expire(string $cache_expire)
+    {
+        $this->cache_expire = $cache_expire;
+        return $this;
+    }
+
+    /**
+     * 设置
+     * @param $cache_value
+     * @return int|string
+     * @throws CacheException
+     */
+    public function set($cache_value)
+    {
+        if (empty($this->cache_name)) throw new CacheException("名称未配置");
+        return Db::table($this->table)
+            ->insert([
+                'cache_name' => $this->cache_name,
+                'cache_value' => $this->cache_expire,
+                'cache_expire' => $this->cache_expire
+            ]);
+    }
+
+    /**
+     * 获取
+     * @return string
+     * @throws CacheException
+     */
+    public function get()
+    {
+        if (empty($this->cache_name)) throw new CacheException("名称未配置");
+        $cache = Db::table($this->table)
+            ->where('cache_name', $this->cache_name)
+            ->field('cache_expire,cache_value');
+        if (empty($cache['cache_expire'])) return $cache['cache_value'];
+        if ($cache['cache_expire'] < time()) return "";
+        return $cache['cache_value'];
+    }
+
+    /**
+     * 删除
+     * @return int
+     * @throws CacheException
+     * @throws DbException
+     */
+    public function delete()
+    {
+        if (empty($this->cache_name)) throw new CacheException("名称未配置");
+        return Db::table($this->table)
+            ->where('cache_name', $this->cache_name)
+            ->delete();
+    }
+
+    /**
+     * 更新
+     * @param $cache_value
+     * @return int
+     * @throws CacheException
+     * @throws DbException
+     */
+    public function update($cache_value)
+    {
+        if (empty($this->cache_name)) throw new CacheException("名称未配置");
+        if (empty($this->cache_expire)) {
+            return Db::table($this->table)
+                ->where('cache_name', $this->cache_name)
+                ->update([
+                    'cache_value' => $this->cache_expire,
+                ]);
+        } else {
+            return Db::table($this->table)
+                ->where('cache_name', $this->cache_name)
+                ->update([
+                    'cache_value' => $cache_value,
+                    'cache_expire' => $this->cache_expire
+                ]);
+        }
+    }
+
+    /**
+     * 自增
+     * @param int $int
+     * @return int
+     * @throws CacheException
+     * @throws DbException
+     */
+    public function inc(int $int = 1)
+    {
+        $cache_value = $this->get();
+        return Db::table($this->table)
+            ->where('cache_name', $this->cache_name)
+            ->update([
+                'cache_value' => $cache_value + $int
+            ]);
+    }
 
+    /**
+     * 自减
+     * @param int $int
+     * @return int
+     * @throws CacheException
+     * @throws DbException
+     */
+    public function dec(int $int = 1)
+    {
+        $cache_value = $this->get();
+        return Db::table($this->table)
+            ->where('cache_name', $this->cache_name)
+            ->update([
+                'cache_value' => $cache_value - $int
+            ]);
+    }
 }
diff --git a/src/exception/CacheException.php b/src/exception/CacheException.php
new file mode 100644
index 0000000..6aca653
--- /dev/null
+++ b/src/exception/CacheException.php
@@ -0,0 +1,32 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | ThinkLibrary 6.0 for ThinkPhP 6.0
+// +----------------------------------------------------------------------
+// | 版权所有 2017~2020 [ https://www.dtapp.net ]
+// +----------------------------------------------------------------------
+// | 官方网站: https://gitee.com/liguangchun/ThinkLibrary
+// +----------------------------------------------------------------------
+// | 开源协议 ( https://mit-license.org )
+// +----------------------------------------------------------------------
+// | gitee 仓库地址 ：https://gitee.com/liguangchun/ThinkLibrary
+// | github 仓库地址 ：https://github.com/GC0202/ThinkLibrary
+// | Packagist 地址 ：https://packagist.org/packages/liguangchun/think-library
+// +----------------------------------------------------------------------
+
+namespace DtApp\ThinkLibrary\exception;
+
+use Exception;
+
+/**
+ * 缓存错误处理
+ * Class CacheException
+ * @package DtApp\ThinkLibrary\exception
+ */
+class CacheException extends Exception
+{
+    public function errorMessage()
+    {
+        return $this->getMessage();
+    }
+}
diff --git a/src/service/WeChat/MiniService.php b/src/service/WeChat/MiniService.php
index 45e5c60..7e36dbc 100644
--- a/src/service/WeChat/MiniService.php
+++ b/src/service/WeChat/MiniService.php
@@ -16,7 +16,10 @@
 
 namespace DtApp\ThinkLibrary\service\WeChat;
 
+use DtApp\ThinkLibrary\cache\Mysql;
+use DtApp\ThinkLibrary\exception\CacheException;
 use DtApp\ThinkLibrary\exception\CurlException;
+use DtApp\ThinkLibrary\exception\WeChatException;
 use DtApp\ThinkLibrary\Service;
 use DtApp\ThinkLibrary\service\Curl\HttpService;
 
@@ -33,6 +36,12 @@ class MiniService extends Service
     private $app_secret;
     private $grant_type = "client_credential";
 
+    /**
+     * 驱动方式
+     * @var string
+     */
+    private $cache = "file";
+
     /**
      * @param string $appId
      * @return $this
@@ -53,12 +62,25 @@ class MiniService extends Service
         return $this;
     }
 
+    /**
+     * 驱动方式
+     * @param string $cache
+     * @return $this
+     */
+    public function cache(string $cache)
+    {
+        $this->cache = $cache;
+        return $this;
+    }
+
     /**
      * 用户支付完成后，获取该用户的 UnionId，无需用户授权
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/user-info/auth.getPaidUnionId.html
      * @param string $openid
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function getPaidUnionId(string $openid)
     {
@@ -75,7 +97,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/qr-code/wxacode.createQRCode.html
      * @param array $data
      * @return array|bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function createWxaQrCode(array $data = [])
     {
@@ -94,7 +118,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/qr-code/wxacode.get.html
      * @param array $data
      * @return array|bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function getWxaCode(array $data = [])
     {
@@ -113,7 +139,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/qr-code/wxacode.getUnlimited.html
      * @param array $data
      * @return array|bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function getWxaCodeUnLimit(array $data = [])
     {
@@ -132,7 +160,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.addTemplate.html
      * @param array $data
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function addTemplate(array $data = [])
     {
@@ -150,7 +180,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.deleteTemplate.html
      * @param string $priTmplId 要删除的模板id
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function deleteTemplate(string $priTmplId)
     {
@@ -170,7 +202,9 @@ class MiniService extends Service
      * 获取小程序账号的类目
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.getCategory.html
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function getCategory()
     {
@@ -187,7 +221,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.getPubTemplateKeyWordsById.html
      * @param string $tid 模板标题 id
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function getPubTemplateKeyWordsById(string $tid)
     {
@@ -208,7 +244,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.getPubTemplateTitleList.html
      * @param array $data
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function getPubTemplateTitleList(array $data = [])
     {
@@ -225,7 +263,9 @@ class MiniService extends Service
      * 获取当前帐号下的个人模板列表
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.getTemplateList.html
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function getTemplateList()
     {
@@ -242,7 +282,9 @@ class MiniService extends Service
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.send.html
      * @param array $data
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function send(array $data = [])
     {
@@ -292,7 +334,9 @@ class MiniService extends Service
      * 获取小程序全局唯一后台接口调用凭据（access_token）
      * https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/access-token/auth.getAccessToken.html
      * @return bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function accessToken()
     {
@@ -304,41 +348,68 @@ class MiniService extends Service
      * 获取access_token信息
      * @return array|bool|mixed|string|string[]
      * @throws CurlException
+     * @throws WeChatException
+     * @throws CacheException
      */
     private function getAccessToken()
     {
+
         $this->grant_type = "client_credential";
-        // 文件名
-        $file = "{$this->app->getRootPath()}runtime/{$this->app_id}_access_token.json";
-        // 获取数据
-        $accessToken = file_exists($file) ? json_decode(file_get_contents($file), true) : [];
-        if (empty($accessToken) || !is_array($accessToken)) $accessToken = [
-            'access_token' => '',
-            'expires_in' => '',
-            'expires_time' => '',
-        ];
-        if (empty($accessToken['expires_time'])) {
-            $accessToken_res = HttpService::instance()
-                ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
-                ->toArray();
-            $accessToken_res['expires_time'] = time() + 6000;
-            file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
-            $accessToken = $accessToken_res;
-        } else if (!isset($accessToken['access_token'])) {
-            $accessToken_res = HttpService::instance()
-                ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
-                ->toArray();
-            $accessToken_res['expires_time'] = time() + 6000;
-            file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
-            $accessToken = $accessToken_res;
-        } else if ($accessToken['expires_time'] <= time()) {
-            $accessToken_res = HttpService::instance()
-                ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
-                ->toArray();
-            $accessToken_res['expires_time'] = time() + 6000;
-            file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
-            $accessToken = $accessToken_res;
-        }
-        return $accessToken;
+        if ($this->cache == "file") {
+            // 文件名
+            $file = "{$this->app->getRootPath()}runtime/{$this->app_id}_access_token.json";
+            // 获取数据
+            $accessToken = file_exists($file) ? json_decode(file_get_contents($file), true) : [];
+            if (empty($accessToken) || !is_array($accessToken)) $accessToken = [
+                'access_token' => '',
+                'expires_in' => '',
+                'expires_time' => '',
+            ];
+            if (empty($accessToken['expires_time'])) {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $accessToken_res['expires_time'] = time() + 6000;
+                file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
+                $accessToken = $accessToken_res;
+            } else if (!isset($accessToken['access_token'])) {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $accessToken_res['expires_time'] = time() + 6000;
+                file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
+                $accessToken = $accessToken_res;
+            } else if ($accessToken['expires_time'] <= time()) {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $accessToken_res['expires_time'] = time() + 6000;
+                file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
+                $accessToken = $accessToken_res;
+            }
+            return $accessToken;
+        } else if ($this->cache == "mysql") {
+            $access_token = [];
+            // 文件名
+            $file = "{$this->app_id}_access_token";
+            // 获取数据
+            $cache_mysql = new Mysql();
+            $cache_mysql_value = $cache_mysql
+                ->name($file)
+                ->get();
+            if (!empty($cache_mysql_value)) {
+                $access_token['access_token'] = $cache_mysql_value;
+            } else {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $cache_mysql
+                    ->name($file)
+                    ->expire(time() + 6000)
+                    ->set($accessToken_res['access_token']);
+                $access_token['access_token'] = $accessToken_res['access_token'];
+            }
+            return $access_token;
+        } else throw new WeChatException("驱动方式错误");
     }
 }
diff --git a/src/service/WeChat/WebApps.php b/src/service/WeChat/WebApps.php
index ab88bb8..f255c2f 100644
--- a/src/service/WeChat/WebApps.php
+++ b/src/service/WeChat/WebApps.php
@@ -16,6 +16,8 @@
 
 namespace DtApp\ThinkLibrary\service\WeChat;
 
+use DtApp\ThinkLibrary\cache\Mysql;
+use DtApp\ThinkLibrary\exception\CacheException;
 use DtApp\ThinkLibrary\exception\CurlException;
 use DtApp\ThinkLibrary\exception\WeChatException;
 use DtApp\ThinkLibrary\facade\Pregs;
@@ -59,6 +61,12 @@ class WebApps extends Service
     private $state = "";
     private $grant_type = "authorization_code";
 
+    /**
+     * 驱动方式
+     * @var string
+     */
+    private $cache = "file";
+
     /**
      * 公众号的唯一标识
      * @param string $appId
@@ -119,6 +127,17 @@ class WebApps extends Service
         return $this;
     }
 
+    /**
+     * 驱动方式
+     * @param string $cache
+     * @return $this
+     */
+    public function cache(string $cache)
+    {
+        $this->cache = $cache;
+        return $this;
+    }
+
     /**
      * 网页授权
      * https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_webpage_authorization.html#0
@@ -201,7 +220,7 @@ class WebApps extends Service
      * 分享
      * @return array
      * @throws CurlException
-     * @throws WeChatException
+     * @throws WeChatException|CacheException
      */
     public function share()
     {
@@ -243,7 +262,9 @@ class WebApps extends Service
      * 生成二维码
      * @param array $data
      * @return array|bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function qrCode(array $data)
     {
@@ -260,7 +281,9 @@ class WebApps extends Service
      * 发送模板消息
      * @param array $data
      * @return array|bool|mixed|string
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function messageTemplateSend(array $data = [])
     {
@@ -278,7 +301,9 @@ class WebApps extends Service
      * 将一条长链接转成短链接
      * @param string $long_url
      * @return bool
+     * @throws CacheException
      * @throws CurlException
+     * @throws WeChatException
      */
     public function shortUrl(string $long_url)
     {
@@ -298,41 +323,66 @@ class WebApps extends Service
      * 获取access_token信息
      * @return array|bool|mixed|string|string[]
      * @throws CurlException
+     * @throws CacheException|WeChatException
      */
     private function getAccessToken()
     {
         $this->grant_type = "client_credential";
-        // 文件名
-        $file = "{$this->app->getRootPath()}runtime/{$this->app_id}_access_token.json";
-        // 获取数据
-        $accessToken = file_exists($file) ? json_decode(file_get_contents($file), true) : [];
-        if (empty($accessToken) || !is_array($accessToken)) $accessToken = [
-            'access_token' => '',
-            'expires_in' => '',
-            'expires_time' => '',
-        ];
-        if (empty($accessToken['expires_time'])) {
-            $accessToken_res = HttpService::instance()
-                ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
-                ->toArray();
-            $accessToken_res['expires_time'] = time() + 6000;
-            file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
-            $accessToken = $accessToken_res;
-        } else if (!isset($accessToken['access_token'])) {
-            $accessToken_res = HttpService::instance()
-                ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
-                ->toArray();
-            $accessToken_res['expires_time'] = time() + 6000;
-            file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
-            $accessToken = $accessToken_res;
-        } else if ($accessToken['expires_time'] <= time()) {
-            $accessToken_res = HttpService::instance()
-                ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
-                ->toArray();
-            $accessToken_res['expires_time'] = time() + 6000;
-            file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
-            $accessToken = $accessToken_res;
-        }
-        return $accessToken;
+        if ($this->cache == "file") {
+            // 文件名
+            $file = "{$this->app->getRootPath()}runtime/{$this->app_id}_access_token.json";
+            // 获取数据
+            $accessToken = file_exists($file) ? json_decode(file_get_contents($file), true) : [];
+            if (empty($accessToken) || !is_array($accessToken)) $accessToken = [
+                'access_token' => '',
+                'expires_in' => '',
+                'expires_time' => '',
+            ];
+            if (empty($accessToken['expires_time'])) {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $accessToken_res['expires_time'] = time() + 6000;
+                file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
+                $accessToken = $accessToken_res;
+            } else if (!isset($accessToken['access_token'])) {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $accessToken_res['expires_time'] = time() + 6000;
+                file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
+                $accessToken = $accessToken_res;
+            } else if ($accessToken['expires_time'] <= time()) {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $accessToken_res['expires_time'] = time() + 6000;
+                file_put_contents($file, json_encode($accessToken_res, JSON_UNESCAPED_UNICODE));
+                $accessToken = $accessToken_res;
+            }
+            return $accessToken;
+        } else if ($this->cache == "mysql") {
+            $access_token = [];
+            // 文件名
+            $file = "{$this->app_id}_access_token";
+            // 获取数据
+            $cache_mysql = new Mysql();
+            $cache_mysql_value = $cache_mysql
+                ->name($file)
+                ->get();
+            if (!empty($cache_mysql_value)) {
+                $access_token['access_token'] = $cache_mysql_value;
+            } else {
+                $accessToken_res = HttpService::instance()
+                    ->url("{$this->api_url}cgi-bin/token?grant_type={$this->grant_type}&appid={$this->app_id}&secret={$this->app_secret}")
+                    ->toArray();
+                $cache_mysql
+                    ->name($file)
+                    ->expire(time() + 6000)
+                    ->set($accessToken_res['access_token']);
+                $access_token['access_token'] = $accessToken_res['access_token'];
+            }
+            return $access_token;
+        } else throw new WeChatException("驱动方式错误");
     }
 }