diff --git a/application/Config/cache.php b/application/Config/cache.php
index e0e7f2390a7fe981cbbb10d46f1c1fc5f428d49c..102d6ff4c7d0f2d7e5476fa5aae7107670d91e35 100644
--- a/application/Config/cache.php
+++ b/application/Config/cache.php
@@ -13,6 +13,6 @@ return [
     "redis" => [
         "host" => '127.0.0.1',
         "port" => 6379,
-        "database" => 0
+        'database' => 0
     ]
 ];
diff --git a/system/Exception/Cache/FileCacheException.php b/system/Exception/Cache/FileCacheException.php
deleted file mode 100644
index 52fc038f44f3bbeaceda5490f7625861c209f399..0000000000000000000000000000000000000000
--- a/system/Exception/Cache/FileCacheException.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace LyApi\Exception\Cache;
-
-use Exception;
-
-class FileCacheException extends Exception
-{
-    // 重定义构造器使 message 变为必须被指定的属性
-    public function __construct($message, $code = 0, Exception $previous = null)
-    {
-        parent::__construct($message, $code, $previous);
-    }
-
-    public function __toString()
-    {
-        return __CLASS__ . ": [{$this->code}]: {$this->message}\n";
-    }
-
-}
\ No newline at end of file
diff --git a/system/Exception/CacheException.php b/system/Exception/CacheException.php
deleted file mode 100644
index 7bc0ec50e369e2465205742565be28de87372860..0000000000000000000000000000000000000000
--- a/system/Exception/CacheException.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-namespace LyApi\Exception;
-
-use Exception;
-
-class CacheException extends Exception
-{
-    // 重定义构造器使 message 变为必须被指定的属性
-    public function __construct($message, $code = 0, Exception $previous = null) {
-        parent::__construct($message, $code, $previous);
-    }
-
-    public function __toString() {
-        return __CLASS__ . ": [{$this->code}]: {$this->message}\n";
-    }
-
-}
\ No newline at end of file
diff --git a/system/Support/Cache/Cache.php b/system/Support/Cache/Cache.php
index 15add51c161a05668aa66c0595a816af485b5ee0..593a4926dc1ab21cca26d02ce86f7c0adbc89567 100644
--- a/system/Support/Cache/Cache.php
+++ b/system/Support/Cache/Cache.php
@@ -3,7 +3,8 @@
 
 namespace LyApi\Support\Cache;
 
-use LyApi\Exception\CacheException;
+use Exception;
+use LyApi\Core\Response;
 use LyApi\Support\Config;
 use Predis\Client;
 use Predis\Connection\ConnectionException;
@@ -22,23 +23,22 @@ class Cache
     {
         $system = strtoupper(Config::dotConfig('cache.cache_system'));
         if ($system != null) self::$system = $system;
-        switch (self::$system) {
-            case 'REDIS':
-                $server = Config::dotConfig('cache.redis');
-                self::$group = $server['database'];
-                self::$object = new Client($server);
-                try {
-                    self::$object->ping();
-                } catch (ConnectionException $e) {
-                    throw new CacheException("Redis 服务器连接失败！$e");
-                }
-                break;
-            case 'FILE':
-                self::$group = Config::dotConfig("cache.file.default_group");
-                self::$object = new FileCache(self::$group);
-                break;
-            default:
-                throw new CacheException("dbtype error.Please check the cache profile!");
+
+        if (self::$system == "FILE") {
+            self::$group = Config::dotConfig("cache.file.default_group");
+            self::$object = new FileCache(self::$group);
+        } else if (self::$system == "REDIS") {
+
+            $server = Config::dotConfig('cache.redis');
+            self::$group = $server['database'];
+
+            self::$object = new Client($server);
+
+            try {
+                self::$object->ping();
+            } catch (ConnectionException $e) {
+                throw new Exception("Redis 服务器连接失败！");
+            }
         }
     }
 
@@ -60,49 +60,68 @@ class Cache
     // 设置缓存数据
     public static function set($key, $value, $expire = 0)
     {
-        if ($expire == 0) {
-            return self::$object->set($key, $value);
-        } else {
-            return self::$object->setex($key, $expire, $value);
+        if (self::$system == 'FILE') {
+            return self::$object->set($key, $value, $expire);
+        } else if (self::$system == 'REDIS') {
+            if ($expire == 0) {
+                return self::$object->set($key, $value);
+            } else {
+                return self::$object->setex($key, $expire, $value);
+            }
         }
     }
 
     // 数据自增
     public static function inc($key, $add = 1)
     {
-        return self::$object->incrby($key, $add);
+        if (self::$system == 'FILE') {
+            if (self::has($key)) {
+                $data = self::get($key);
+                if (is_numeric($data)) {
+                    $exp = self::$object->surexp($key);
+                    if ($exp >= 0) {
+                        return self::set($key, $data + $add, $exp);
+                    } else {
+                        return false;
+                    }
+                } else {
+                    return false;
+                }
+            } else {
+                return false;
+            }
+        } else if (self::$system == 'REDIS') {
+            return self::$object->incrby($key, $add);
+        }
     }
 
     // 检查值是否存在
     public static function has($key)
     {
-        switch (self::$system) {
-            case 'REDIS':
-                return self::$object->exists($key);
-            default:
-                return self::$object->has($key);
+        if (self::$system == 'FILE') {
+            return self::$object->has($key);
+        } else if (self::$system == "REDIS") {
+            return self::$object->exists($key);
         }
     }
 
     // 删除缓存数据
     public static function delete($key)
     {
-        switch (self::$system) {
-            case 'REDIS':
-                return self::$object->del($key);
-            default:
-                return self::$object->delete($key);
+        if (self::$system == 'FILE') {
+            return self::$object->delete($key);
+        } else if (self::$system == 'REDIS') {
+            return self::$object->del($key);
         }
     }
 
     // 清空所有数据信息
     public static function clean()
     {
-        switch (self::$system) {
-            case 'REDIS':
-                return self::$object->flushdb();
-            default:
-                return self::$object->clean();
+        if (self::$system == 'FILE') {
+            return self::$object->clean();
+        } else if (self::$system == 'REDIS') {
+            return self::$object->flushdb();
         }
     }
 
@@ -110,15 +129,10 @@ class Cache
     public static function system($to)
     {
         $to = strtoupper($to);
-        switch ($to) {
-            case 'REDIS':
-                self::$system = "REDIS";
-                break;
-            case 'FILE':
-                self::$system = "FILE";
-                break;
-            default:
-                throw new CacheException('dbtype error.');
+        if ($to == "FILE") {
+            self::$system  = "FILE";
+        } else if ($to == 'REDIS') {
+            self::$system  = "REDIS";
         }
     }
 }
diff --git a/system/Support/Cache/FileCache.php b/system/Support/Cache/FileCache.php
index 85da829bb4b2fe34aca7a2e68ce5aa6a043bf5e0..da34f2159a3665f3f349ce3ddb45356c7f01ef12 100644
--- a/system/Support/Cache/FileCache.php
+++ b/system/Support/Cache/FileCache.php
@@ -2,8 +2,6 @@
 
 namespace LyApi\Support\Cache;
 
-use LyApi\Exception\Cache\FileCacheException;
-
 class FileCache
 {
     private $dir;
@@ -11,7 +9,7 @@ class FileCache
     /**
      * 初始化缓存设置.
      */
-    public function __construct($group = null) 
+    public function __construct($group = null)
     {
         if (is_null($group)) {
             $group = 'defualt';
@@ -19,51 +17,10 @@ class FileCache
         $dir = ROOT_PATH . '/runtime/cache/' . $group;
         if (!is_dir($dir)) {
             if (!mkdir($dir, 0777, true)) {
-                throw new FileCacheException("Can't read or write the cache directory, please check the cache directory permission!");
-            }
-        }
-        $this->dir = $dir;
-    }
-
-    /**
-     * 设置一个缓存值.
-     *
-     * @param string $key 键名
-     * @param int $add 自增值
-     *
-     * @return boolean
-     */
-    public function incrby($key, $add)
-    {
-        if (self::has($key)) {
-            $data = self::get($key);
-            if (is_numeric($data)) {
-                $exp = self::surexp($key);
-                if ($exp >= 0) {
-                    return self::set($key, $data + $add, $exp);
-                } else {
-                    return false;
-                }
-            } else {
                 return false;
             }
-        } else {
-            return false;
         }
-    }
-
-    /**
-     * 设置一个缓存值.
-     *
-     * @param string $key 键名
-     * @param int $expire 过期时间
-     * @param string $data 数据
-     *
-     * @return boolean
-     */
-    public function setex($key, $expire, $value)
-    {
-        return self::set($key, $value, $expire);
+        $this->dir = $dir;
     }
 
     /**
@@ -71,24 +28,22 @@ class FileCache
      *
      * @param string $key 键名
      * @param string $data 数据
-     * @param int $expire 过期时间
+     * @param string $expire 过期时间
      *
      * @return boolean
      */
-    public function set()
+    public function set($key, $data, $expire = 0)
     {
-        $args = func_get_args();
-        $filename = $this->dir . '/' . md5($args[0]) . '.lyc';
-
-        if (count($args) == 3) {
-            $duetime = time() + $args[2];
+        $filename = $this->dir . '/' . md5($key) . '.lyc';
+        if ($expire != 0) {
+            $duetime = time() + $expire;
             $datas = array(
-                'data' => $args[1],
+                'data' => $data,
                 'duetime' => $duetime
             );
         } else {
             $datas = array(
-                'data' => $args[1]
+                'data' => $data
             );
         }
 
@@ -125,8 +80,6 @@ class FileCache
             } else {
                 return $datas['data'];
             }
-        }else{
-            throw new FileCacheException($filename." is not a valid cache file.");
         }
     }
 
@@ -154,8 +107,6 @@ class FileCache
             } else {
                 return 0;
             }
-        }else{
-            throw new FileCacheException($filename." is not a valid cache file.");
         }
     }