From bbb218217581f538ca1ae9a7b7db468d55f385a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9E=97=E8=BD=BB=E8=AF=AD?= <boximengling@outlook.com>
Date: Sun, 17 May 2026 04:33:49 +0800
Subject: [PATCH] chore: add handle valid check

---
 Plain Craft Launcher 2/Application.xaml.vb | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Plain Craft Launcher 2/Application.xaml.vb b/Plain Craft Launcher 2/Application.xaml.vb
index a529f2e..e5d352b 100644
--- a/Plain Craft Launcher 2/Application.xaml.vb	
+++ b/Plain Craft Launcher 2/Application.xaml.vb	
@@ -201,11 +201,10 @@ RetryCacheCheck:
     ''' 从文件锁中尝试拖出进程
     ''' </summary>
     Public Sub DropToTopByLock(LockPath As String)
-        Dim Content = File.ReadAllBytes(LockPath)
         Dim Pid As Integer
-        If Not Integer.TryParse(Encoding.UTF8.GetString(Content), Pid) Then Return
-        ShowWindowToTop(Process.GetProcessById(Pid).MainWindowHandle)
-        
+        If Not Integer.TryParse(File.ReadAllText(LockPath), Pid) Then Return
+        Dim Handle = Process.GetProcessById(Pid)?.MainWindowHandle
+        If Handle <> Intptr.Zero ShowWindowToTop(Handle)
     End Sub
 
     '结束