diff --git a/library/think/Cache.php b/library/think/Cache.php
index ebdd2d4d..9f7a569d 100644
--- a/library/think/Cache.php
+++ b/library/think/Cache.php
@@ -31,7 +31,7 @@ class Cache
      * @access public
      * @param array         $options  配置数组
      * @param bool|string   $name 缓存连接标识 true 强制重新连接
-     * @return object
+     * @return \think\cache\Driver
      */
     public static function connect(array $options = [], $name = false)
     {
@@ -65,10 +65,30 @@ class Cache
     {
         if (is_null(self::$handler)) {
             // 自动初始化缓存
-            self::connect($options ?: Config::get('cache'));
+            if (!empty($options)) {
+                self::connect($options);
+            } elseif ('complex' == Config::get('cache.type')) {
+                self::connect(Config::get('cache.default'));
+            } else {
+                self::connect(Config::get('cache'));
+            }
         }
     }
 
+    /**
+     * 切换缓存类型 需要配置 cache.type 为 complex
+     * @access public
+     * @param string $name 缓存标识
+     * @return \think\cache\Driver
+     */
+    public static function store($name)
+    {
+        if ('complex' == Config::get('cache.type')) {
+            self::connect(Config::get('cache.' . $name), strtolower($name));
+        }
+        return self::$handler;
+    }
+
     /**
      * 判断缓存是否存在
      * @access public