diff --git a/HttpServer/Shutdown.php b/HttpServer/Shutdown.php
index ffb17ae5..1383eef9 100644
--- a/HttpServer/Shutdown.php
+++ b/HttpServer/Shutdown.php
@@ -36,8 +36,9 @@ class Shutdown extends Component
      */
     public function shutdown(): void
     {
+        clearstatcache(storage());
         $master_pid = Server()->setting['pid_file'] ?? PID_PATH;
-        clearstatcache($master_pid);
+        var_dump($master_pid);
         if (file_exists($master_pid)) {
             $this->close($master_pid);
         }