diff --git a/scripts/dev-env.ps1 b/scripts/dev-env.ps1
index ba8b44d..0a0dac2 100644
--- a/scripts/dev-env.ps1
+++ b/scripts/dev-env.ps1
@@ -18,7 +18,7 @@ $mediamtx = "C:\Software\mediamtx\mediamtx.exe"
 $ffmpeg   = "ffmpeg"
 $minio    = "C:\Users\Tellme\minio\minio.exe"
 $minioData = "C:\Users\Tellme\minio\myminio"
-$mockAlarm = Join-Path $scriptDir "mock_alarm_server.py"
+$mockAlarm = Join-Path $scriptDir "../safesight-edge/scripts/mock_alarm_server.py"
 $safesightdExe = Join-Path $controlDir "safesightd.exe"
 $safesightdConfig = Join-Path $controlDir $SafesightdConfig
 
@@ -97,27 +97,16 @@ function Invoke-Start {
         Start-Detached "ffmpeg" $ffmpeg $ffArgs
     }
 
-    # 3. Media server (edge)
-    Write-Banner "3/5 Media Server (Edge)"
-    if (-not (Test-Path $mediaServerExe)) {
-        Write-Host "  [WARN] 未找到 $mediaServerExe，请先编译" -ForegroundColor Yellow
-    } elseif (-not (Test-Path $mediaServerConfig)) {
-        Write-Host "  [WARN] 未找到配置文件 $mediaServerConfig" -ForegroundColor Yellow
-    } else {
-        $msProc = Start-Process -FilePath $mediaServerExe `
-            -ArgumentList "-c", $mediaServerConfig `
-            -WorkingDirectory $edgeDir `
-            -WindowStyle Minimized `
-            -PassThru
-        Write-Host "  [START] media-server (PID=$($msProc.Id)) 配置: $MediaConfig" -ForegroundColor Green
-    }
+    # 3. Media server (runs on RK3588, not local)
+    Write-Banner "3/5 Media Server (3588 Edge)"
+    Write-Host "  [INFO] media-server 运行在 3588 上，不在本地启动" -ForegroundColor DarkGray
 
     # 4. Mock alarm server (if uv available)
     Write-Banner "4/5 Mock Alarm Server"
     if (Get-Command uv -ErrorAction SilentlyContinue) {
         $alarmProc = Start-Process -FilePath "uv" `
             -ArgumentList "run", "--with", "flask", $mockAlarm `
-            -WorkingDirectory $scriptDir `
+            -WorkingDirectory (Join-Path $edgeDir "scripts") `
             -WindowStyle Minimized `
             -PassThru
         Write-Host "  [START] mock_alarm_server (PID=$($alarmProc.Id))" -ForegroundColor Green