diff --git a/src/Captcha.php b/src/Captcha.php
index a09a86c..1c8a92c 100644
--- a/src/Captcha.php
+++ b/src/Captcha.php
@@ -290,7 +290,7 @@ class Captcha
      */
     private function _background()
     {
-        $path = dirname(__FILE__) . '/verify/bgs/';
+        $path = __DIR__ . '/../assets/bgs/';
         $dir  = dir($path);
 
         $bgs = [];