fix: use Start-Sleep instead of Read-Host in pipe mode to avoid stdin issues

scripts/install.ps1

@@ -1061,12 +1061,12 @@ Print-Status
 if ($isIexExecution) {
     if ($Upgrade) {
         Invoke-Upgrade
-        Read-Host "按 Enter 退出..."
+        Start-Sleep 3
         exit
     }
     if ($Force -or $Source -or $SkipHub -or $InstallDir) {
         Invoke-Install
-        Read-Host "按 Enter 退出..."
+        Start-Sleep 3
         exit
     }
     if (-not $script:STATUS_CLI_INSTALLED) {
@@ -1075,7 +1075,7 @@ if ($isIexExecution) {
         Write-Warn "请使用 -Source / -Force 等参数指定操作，或直接运行 install.ps1 进入交互模式"
     }
     Write-Host ""
-    Read-Host "按 Enter 退出..."
+    Start-Sleep 3
     exit
 }