优化DNS解析逻辑

scripts/generate_cert.ps1

@@ -1,16 +1,12 @@
 # PowerShell 脚本：生成自签名证书
 
-# 默认值
-$Days = 365
-$Subject = "CN=localhost,OU=Test,O=GoProxy,L=Shanghai,S=Shanghai,C=CN"
-
 # 处理命令行参数
 param(
     [Parameter(HelpMessage="证书有效期(天数)")]
     [int]$days = 365,
     
     [Parameter(HelpMessage="证书主题")]
-    [string]$subject = $Subject,
+    [string]$subject = "CN=localhost,OU=Test,O=GoProxy,L=Shanghai,S=Shanghai,C=CN",
     
     [Parameter(HelpMessage="公用名(CN)")]
     [string]$cn = "",
@@ -28,7 +24,7 @@ function Show-Help {
     Write-Host "选项:"
     Write-Host "  -help            显示此帮助信息"
     Write-Host "  -days DAYS       证书有效期(天数)，默认: 365"
-    Write-Host "  -subject SUB     证书主题，默认: $Subject"
+    Write-Host "  -subject SUB     证书主题，默认: $subject"
     Write-Host "  -cn CN           公用名(CN)，将替换主题中的CN，默认: localhost"
     Write-Host
     Write-Host "示例:"
@@ -44,12 +40,12 @@ if ($help) {
 
 # 如果指定了CN，替换主题中的CN部分
 if ($cn -ne "") {
-    $Subject = $Subject -replace "CN=[^,]*", "CN=$cn"
+    $subject = $subject -replace "CN=[^,]*", "CN=$cn"
 }
 
 Write-Host "生成自签名证书..."
 Write-Host "有效期: $days 天"
-Write-Host "主题: $Subject"
+Write-Host "主题: $subject"
 
 # 检查OpenSSL是否可用
 $openssl = Get-Command "openssl" -ErrorAction SilentlyContinue
@@ -66,7 +62,7 @@ try {
 
     # 生成证书请求
     Write-Host "正在生成证书请求..." -ForegroundColor Cyan
-    & openssl req -new -key server.key -out server.csr -subj $Subject.Replace(",", "/")
+    & openssl req -new -key server.key -out server.csr -subj $subject.Replace(",", "/")
 
     # 生成自签名证书
     Write-Host "正在生成自签名证书..." -ForegroundColor Cyan
@@ -85,4 +81,4 @@ try {
 catch {
     Write-Host "错误: 生成证书时发生错误: $_" -ForegroundColor Red
     exit 1
-} 
+}