diff --git a/README.md b/README.md
index 895df32..f594965 100644
--- a/README.md
+++ b/README.md
@@ -285,6 +285,8 @@ powershell -ExecutionPolicy Bypass -File .\start.ps1
 
 3. 按提示选择 [1] 本地访问 或 [2] 局域网访问，脚本将自动配置并启动 Docker 服务。
 
+4. 若窗口闪退，可查看日志 `start.ps1.log`（与 start.ps1 同目录，或 `%TEMP%\start.ps1.log`）获取退出原因。
+
 ### 启用HTTPS
 1. [更改为你的域名]修改`easyai-proxy.conf`中域名`51easyai.com`为你的域名[可以使用Ctrl+F批量替换51easyai.com为你的域名]
 2. [修改.env文件]修改如下两个环境变量为如下的对应的值
diff --git a/start.ps1 b/start.ps1
index 105e8a2..c6df889 100644
--- a/start.ps1
+++ b/start.ps1
@@ -4,13 +4,30 @@
 # 一行命令: git clone https://git.51easyai.com/wangbo/easyai; cd easyai; .\start.ps1
 
 $ErrorActionPreference = "Stop"
+$script:LogFile = Join-Path (if ($PSScriptRoot) { $PSScriptRoot } else { $env:TEMP }) "start.ps1.log"
+# 尽早写入启动标记，便于闪退时排查
+try { "[$(Get-Date -Format 'yyyy-MM-dd HH:mm:ss')] === 脚本加载 ===" | Out-File -FilePath $script:LogFile -Append -Encoding utf8 } catch { }
+
+function Write-Log {
+    param([string]$Msg)
+    try {
+        $line = "[$(Get-Date -Format 'yyyy-MM-dd HH:mm:ss')] $Msg"
+        Add-Content -Path $script:LogFile -Value $line -Encoding UTF8 -ErrorAction SilentlyContinue
+    } catch { }
+}
+
 trap {
-    Write-Host ""
-    Write-Host "========================================" -ForegroundColor Red
-    Write-Host "  发生错误（便于 Debug）" -ForegroundColor Red
-    Write-Host "========================================" -ForegroundColor Red
-    Write-Host $_.Exception.Message -ForegroundColor Red
-    if ($_.ScriptStackTrace) { Write-Host "`n$($_.ScriptStackTrace)" }
+    $errMsg = $_.Exception.Message
+    $errStack = if ($_.ScriptStackTrace) { " | 堆栈: $($_.ScriptStackTrace)" } else { "" }
+    Write-Log "错误退出: $errMsg$errStack"
+    try {
+        Write-Host ""
+        Write-Host "========================================" -ForegroundColor Red
+        Write-Host "  发生错误，详见日志: $script:LogFile" -ForegroundColor Red
+        Write-Host "========================================" -ForegroundColor Red
+        Write-Host $errMsg -ForegroundColor Red
+        if ($errStack) { Write-Host $errStack }
+    } catch { }
     Wait-ForExit
     exit 1
 }
@@ -280,6 +297,9 @@ function Main {
     Wait-ForExit
 }
 
+Write-Log "=== 脚本启动 ==="
 Write-Host "EasyAI Windows 部署脚本启动中..." -ForegroundColor Cyan
+Write-Host "日志文件: $script:LogFile"
 Write-Host ""
 Main
+Write-Log "=== 脚本正常结束 ==="