diff --git a/install.ps1 b/install.ps1
index c9d2baa..ed4e06c 100644
--- a/install.ps1
+++ b/install.ps1
@@ -269,9 +269,14 @@ function Render-SettingsTemplate {
 
 # ─── 代理自动检测 ────────────────────────────────────
 function Detect-SystemProxy {
+    # 中转站在国内阿里云，不走代理
+    $env:NO_PROXY = "bww.letcareme.com,code.letcareme.com,letcareme.com,localhost,127.0.0.1"
+    $env:no_proxy = $env:NO_PROXY
+
     # 如果已手动设置了 HTTPS_PROXY，直接使用
     if ($env:HTTPS_PROXY) {
         Write-Host "  [OK] 已设置 HTTPS_PROXY=$($env:HTTPS_PROXY)" -ForegroundColor Green
+        Write-Host "  [OK] NO_PROXY=$($env:NO_PROXY)" -ForegroundColor Green
         return
     }