diff --git a/scripts/git-incremental-deploy.ps1 b/scripts/git-incremental-deploy.ps1
index 65d3c42..42d8d61 100644
--- a/scripts/git-incremental-deploy.ps1
+++ b/scripts/git-incremental-deploy.ps1
@@ -186,7 +186,11 @@ function Invoke-BuildServerScript {
     $scriptId = [guid]::NewGuid().ToString('N')
     $localTemp = Join-Path ([System.IO.Path]::GetTempPath()) "git-incremental-deploy-$scriptId.sh"
     $remoteTemp = "/tmp/git-incremental-deploy-$scriptId.sh"
-    [System.IO.File]::WriteAllText($localTemp, $ScriptText, [System.Text.UTF8Encoding]::new($false))
+    # PowerShell here-string 在 Windows 下使用 CRLF；远端 Bash 会把行尾的
+    # `\r` 当作参数内容，导致 `set -euo pipefail` 在脚本第一行就失败。
+    # 上传前统一为 LF，保证脚本在 Linux 构建机上可直接执行。
+    $normalizedScriptText = $ScriptText.Replace("`r`n", "`n").Replace("`r", "`n")
+    [System.IO.File]::WriteAllText($localTemp, $normalizedScriptText, [System.Text.UTF8Encoding]::new($false))
 
     $authLabel = if ($usePasswordAuth) { 'password auth' } else { 'SSH key auth' }
     Write-Info "Connecting to build server $BuildServerUser@$BuildServerIP ($authLabel)"