diff --git a/WeChat/Contracts/Tools.php b/WeChat/Contracts/Tools.php
index 0bc5949..4cfe9b8 100644
--- a/WeChat/Contracts/Tools.php
+++ b/WeChat/Contracts/Tools.php
@@ -306,7 +306,7 @@ class Tools
     private static function getCacheName($name)
     {
         if (empty(self::$cache_path)) {
-            self::$cache_path = dirname(__DIR__) . DIRECTORY_SEPARATOR . 'Cache' . DIRECTORY_SEPARATOR;
+            self::$cache_path = dirname(dirname(__DIR__)) . DIRECTORY_SEPARATOR . 'Cache' . DIRECTORY_SEPARATOR;
         }
         self::$cache_path = rtrim(self::$cache_path, '/\\') . DIRECTORY_SEPARATOR;
         file_exists(self::$cache_path) || mkdir(self::$cache_path, 0755, true);