diff --git a/config/config.php b/config/config.php
index 53923cebbd..795bceb9c9 100644
--- a/config/config.php
+++ b/config/config.php
@@ -22,6 +22,7 @@ $config->cookieLife    = time() + 2592000;     // Cookie的生存时间。The co
 $config->timezone      = 'Asia/Shanghai';      // 时区设置。        The time zone setting, for more see http://www.php.net/manual/en/timezones.php.
 $config->webRoot       = '';                   // URL根目录。       The root path of the url.
 $config->customSession = false;                // 是否开启自定义session的存储路径。Whether custom the session save path.
+$config->edition       = 'open';               // 设置系统的edition，可选值：open|biz|max。Set edition, optional: open|biz|max.
 
 /* 框架路由相关设置。Routing settings. */
 $config->requestType = 'PATH_INFO';               // 请求类型：PATH_INFO|PATHINFO2|GET。    The request type: PATH_INFO|PATH_INFO2|GET.
diff --git a/framework/base/router.class.php b/framework/base/router.class.php
index e5ed0362ca..8aea28586f 100644
--- a/framework/base/router.class.php
+++ b/framework/base/router.class.php
@@ -677,6 +677,8 @@ class baseRouter
      */
     public function setEdition()
     {
+        if(isset($this->config->edition)) return $this->config->edition;
+
         $edition = substr($this->config->version, 0, 3);
         if(in_array($edition, array('pro', 'biz', 'max'))) return $this->config->edition = $edition;
         $this->config->edition = 'open';