From 1ea5086d4e3cec1ba861aa9f6c845573fccc6718 Mon Sep 17 00:00:00 2001
From: "as2252258@163.com" <as22522582>
Date: Sun, 28 Mar 2021 16:28:53 +0800
Subject: [PATCH] modify

---
 HttpServer/Shutdown.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/HttpServer/Shutdown.php b/HttpServer/Shutdown.php
index 3f1dbe52..9f9a66b9 100644
--- a/HttpServer/Shutdown.php
+++ b/HttpServer/Shutdown.php
@@ -81,6 +81,9 @@ class Shutdown extends Component
      */
     public function pidIsExists($content): bool
     {
+        if (intval($content) < 1) {
+            return false;
+        }
         $shell = 'ps -eo pid,cmd,state | grep %d | grep -v grep';
         exec(sprintf($shell, $content), $output, $code);
         var_dump(sprintf($shell, $content), $output, $code);