diff --git a/app/libs/tool/RouteManager.php b/app/libs/tool/RouteManager.php
index e502f16..1554737 100644
--- a/app/libs/tool/RouteManager.php
+++ b/app/libs/tool/RouteManager.php
@@ -15,16 +15,16 @@ class RouteManager {
     /**
      * @return static
      */
-    public static function getInstance() {
+    public static function getInstance($routeConfigPath = null) {
         if (empty(self::$instance)) {
-            self::$instance = new self;
+            self::$instance = new self($routeConfigPath);
         }
         return self::$instance;
     }
 
-    private function __construct() {
+    private function __construct($routeConfigPath = null) {
         $this->request = Request::getInstance();
-        $this->routeConfigPath = APP_PATH . '/routes';
+        $this->routeConfigPath = $routeConfigPath ?: APP_PATH . '/routes';
         $this->initRoutes();
     }