diff --git a/HotReload.php b/HotReload.php
index a6fd815..b017c1d 100644
--- a/HotReload.php
+++ b/HotReload.php
@@ -156,6 +156,10 @@ class HotReload extends AbstractProcess
             return;
         }
 
+        if ($this->isStop()) {
+            return;
+        }
+
         $pid = (int)file_get_contents(storage('.swoole.pid'));
         if ($pid <= 0 || !Process::kill($pid, 0) || $this->isStop()) {
             return;