diff --git a/Think/Loader.php b/Think/Loader.php
index 0dbcad0d..83707bf9 100644
--- a/Think/Loader.php
+++ b/Think/Loader.php
@@ -41,8 +41,12 @@ class Loader {
     }
 
     // 注册classmap
-    static public function addMap($class,$map){
-        self::$map[$class]  =   $map;
+    static public function addMap($class,$map=''){
+        if(is_array($class)){
+            self::$map  =   array_merge(self::$map,$class);
+        }else{
+            self::$map[$class]  =   $map;
+        }        
     }
 
     // 注册命名空间
@@ -50,11 +54,6 @@ class Loader {
         self::$namespace[$namespace]    =   $path;
     }
 
-    // 加载classmap
-    static public function loadMap($map){
-        self::$map  =   array_merge(self::$map,$map);
-    }
-
     // 注册自动加载机制
     static public function register($autoload=''){
         spl_autoload_register($autoload?$autoload:['Think\Loader','autoload']);