diff --git a/library/think/ORM.php b/library/think/ORM.php
index 755ffff9..e504a10d 100644
--- a/library/think/ORM.php
+++ b/library/think/ORM.php
@@ -68,7 +68,7 @@ class ORM
 
     public static function __callStatic($method, $params)
     {
-        $name = basename(get_called_class());
+        $name = basename(str_replace('\\', '/', get_called_class()));
         if (!isset(self::$instance[$name])) {
             // 自动实例化模型类
             self::$instance[$name] = new \think\Model($name, static::$config);