improve stop script with better error handling

script/stop.bat

@@ -3,7 +3,6 @@ chcp 65001 >nul
 setlocal
 cd /d %~dp0
 
-REM Stop processes using PowerShell
-powershell -ExecutionPolicy Bypass -Command "& { Write-Host 'Stopping processes on 8923 and 6173...' -ForegroundColor Cyan; $ports = @(8923, 6173); foreach ($port in $ports) { $p = Get-NetTCPConnection -LocalPort $port -ErrorAction SilentlyContinue; if ($p) { Stop-Process -Id $p.OwningProcess -Force; Write-Host \"Stopped port $port\" } }; Write-Host 'Done.' -ForegroundColor Green }"
+powershell -ExecutionPolicy Bypass -File stop.ps1
 
-timeout /t 2
+pause

script/stop.ps1

@@ -0,0 +1,46 @@
+# ProxyPool Stop Script
+$rootPath = Split-Path $PSScriptRoot -Parent
+
+Write-Host "=== Stopping ProxyPool Services ===" -ForegroundColor Cyan
+Write-Host ""
+
+Write-Host "[1/2] Stopping processes on ports 8923 and 6173..." -ForegroundColor Cyan
+$ports = @(8923, 6173)
+$stoppedCount = 0
+
+foreach ($port in $ports) {
+    try {
+        $conn = Get-NetTCPConnection -LocalPort $port -ErrorAction SilentlyContinue
+        if ($conn) {
+            $processId = $conn.OwningProcess
+            
+            try {
+                $process = Get-Process -Id $processId -ErrorAction SilentlyContinue
+                if ($process) {
+                    $processName = $process.ProcessName
+                    Stop-Process -Id $processId -Force -ErrorAction SilentlyContinue
+                    
+                    Write-Host "  Stopped port $port (PID: $processId, Process: $processName)" -ForegroundColor Gray
+                    $stoppedCount++
+                }
+            } catch {
+                Write-Host "  Warning: Could not stop process on port $port (PID: $processId)" -ForegroundColor Yellow
+            }
+        } else {
+            Write-Host "  Port $port: No process found" -ForegroundColor DarkGray
+        }
+    } catch {
+        Write-Host "  Error checking port $port: $($_.Exception.Message)" -ForegroundColor Red
+    }
+}
+
+Write-Host "  Stopped $stoppedCount process(es)" -ForegroundColor Green
+Write-Host ""
+
+Write-Host "[2/2] Waiting for processes to fully stop..." -ForegroundColor Cyan
+Start-Sleep -Seconds 2
+
+Write-Host ""
+Write-Host "=== Done ===" -ForegroundColor Cyan
+Write-Host "All services have been stopped." -ForegroundColor Green
+Write-Host ""