diff --git a/ClaudeCode/setup-claude-code.ps1 b/ClaudeCode/setup-claude-code.ps1
index 779f75c..7983d46 100644
--- a/ClaudeCode/setup-claude-code.ps1
+++ b/ClaudeCode/setup-claude-code.ps1
@@ -1,4 +1,4 @@
-# Claude Code Configuration Script for XCodeCLI (Windows)
+# Claude Code Configuration Script for XCodeCLI (Windows)
 # This script configures Claude Code to use your XCodeCLI instance
 # Run with: powershell -ExecutionPolicy Bypass -File setup-claude-code.ps1 -ApiKey YOUR_KEY
 # Or via one-liner: & { $key='YOUR_KEY'; iwr -useb https://api.xcodecli.com/setup-claude-code.ps1 | iex }
@@ -13,6 +13,20 @@ param(
 # Check for pre-set variables from one-liner command (use different names to avoid conflict)
 if (-not $ApiKey -and (Test-Path Variable:key)) { $ApiKey = $key }
 
+# ========== UTF-8 编码兼容 ==========
+# 确保中文字符在各种 PowerShell 环境中正确显示
+# 兼容: Windows PowerShell 5.x, PowerShell 7.x, Windows Terminal, conhost, ISE, iwr|iex
+try {
+    if ($Host.Name -eq 'ConsoleHost') {
+        [Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+        [Console]::InputEncoding = [System.Text.Encoding]::UTF8
+    }
+    $OutputEncoding = [System.Text.Encoding]::UTF8
+    if ($env:OS -eq 'Windows_NT') {
+        & cmd /c "chcp 65001 >nul" 2>&1 | Out-Null
+    }
+} catch { }
+
 # Configuration
 $DefaultBaseUrl = "https://api2.xcodecli.com"
 $ClaudeConfigDir = "$env:USERPROFILE\.claude"
diff --git a/GeminiCLI/setup-gemini.ps1 b/GeminiCLI/setup-gemini.ps1
index ea585e3..c148465 100644
--- a/GeminiCLI/setup-gemini.ps1
+++ b/GeminiCLI/setup-gemini.ps1
@@ -1,4 +1,4 @@
-# Gemini CLI Configuration Script for XCodeCLI (Windows)
+# Gemini CLI Configuration Script for XCodeCLI (Windows)
 # This script configures Gemini CLI to use your XCodeCLI instance
 # Automatically tests multiple API endpoints and selects the working one
 # Run with: powershell -ExecutionPolicy Bypass -File setup-gemini.ps1 -ApiKey YOUR_KEY
@@ -13,6 +13,20 @@ param(
 # Check for pre-set variables from one-liner command
 if (-not $ApiKey -and (Test-Path Variable:key)) { $ApiKey = $key }
 
+# ========== UTF-8 编码兼容 ==========
+# 确保中文字符在各种 PowerShell 环境中正确显示
+# 兼容: Windows PowerShell 5.x, PowerShell 7.x, Windows Terminal, conhost, ISE, iwr|iex
+try {
+    if ($Host.Name -eq 'ConsoleHost') {
+        [Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+        [Console]::InputEncoding = [System.Text.Encoding]::UTF8
+    }
+    $OutputEncoding = [System.Text.Encoding]::UTF8
+    if ($env:OS -eq 'Windows_NT') {
+        & cmd /c "chcp 65001 >nul" 2>&1 | Out-Null
+    }
+} catch { }
+
 # Configuration
 $DefaultBaseUrl = "https://api2.xcodecli.com"
 $GeminiConfigDir = "$env:USERPROFILE\.gemini"
diff --git a/codex/setup-codex.ps1 b/codex/setup-codex.ps1
index 610ec5f..a1ced7f 100644
--- a/codex/setup-codex.ps1
+++ b/codex/setup-codex.ps1
@@ -1,4 +1,4 @@
-# Codex Configuration Script for XCodeCLI (Windows)
+# Codex Configuration Script for XCodeCLI (Windows)
 # This script configures Codex to use your XCodeCLI instance
 # Automatically tests multiple API endpoints and selects the working one
 # Run with: powershell -ExecutionPolicy Bypass -File setup-codex.ps1 -ApiKey YOUR_KEY
@@ -13,6 +13,20 @@ param(
 # Check for pre-set variables from one-liner command
 if (-not $ApiKey -and (Test-Path Variable:key)) { $ApiKey = $key }
 
+# ========== UTF-8 编码兼容 ==========
+# 确保中文字符在各种 PowerShell 环境中正确显示
+# 兼容: Windows PowerShell 5.x, PowerShell 7.x, Windows Terminal, conhost, ISE, iwr|iex
+try {
+    if ($Host.Name -eq 'ConsoleHost') {
+        [Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+        [Console]::InputEncoding = [System.Text.Encoding]::UTF8
+    }
+    $OutputEncoding = [System.Text.Encoding]::UTF8
+    if ($env:OS -eq 'Windows_NT') {
+        & cmd /c "chcp 65001 >nul" 2>&1 | Out-Null
+    }
+} catch { }
+
 # Configuration
 $DefaultBaseUrl = "https://api2.xcodecli.com"
 $CodexConfigDir = "$env:USERPROFILE\.codex"
diff --git a/setup-claude-code.ps1 b/setup-claude-code.ps1
index 779f75c..7983d46 100644
--- a/setup-claude-code.ps1
+++ b/setup-claude-code.ps1
@@ -1,4 +1,4 @@
-# Claude Code Configuration Script for XCodeCLI (Windows)
+# Claude Code Configuration Script for XCodeCLI (Windows)
 # This script configures Claude Code to use your XCodeCLI instance
 # Run with: powershell -ExecutionPolicy Bypass -File setup-claude-code.ps1 -ApiKey YOUR_KEY
 # Or via one-liner: & { $key='YOUR_KEY'; iwr -useb https://api.xcodecli.com/setup-claude-code.ps1 | iex }
@@ -13,6 +13,20 @@ param(
 # Check for pre-set variables from one-liner command (use different names to avoid conflict)
 if (-not $ApiKey -and (Test-Path Variable:key)) { $ApiKey = $key }
 
+# ========== UTF-8 编码兼容 ==========
+# 确保中文字符在各种 PowerShell 环境中正确显示
+# 兼容: Windows PowerShell 5.x, PowerShell 7.x, Windows Terminal, conhost, ISE, iwr|iex
+try {
+    if ($Host.Name -eq 'ConsoleHost') {
+        [Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+        [Console]::InputEncoding = [System.Text.Encoding]::UTF8
+    }
+    $OutputEncoding = [System.Text.Encoding]::UTF8
+    if ($env:OS -eq 'Windows_NT') {
+        & cmd /c "chcp 65001 >nul" 2>&1 | Out-Null
+    }
+} catch { }
+
 # Configuration
 $DefaultBaseUrl = "https://api2.xcodecli.com"
 $ClaudeConfigDir = "$env:USERPROFILE\.claude"
diff --git a/setup.ps1 b/setup.ps1
index ca97a93..59fa096 100644
--- a/setup.ps1
+++ b/setup.ps1
@@ -1,4 +1,4 @@
-# XCodeCLI Setup Launcher (Windows)
+# XCodeCLI Setup Launcher (Windows)
 # 一站式安装和配置 Claude Code, Gemini CLI, Codex
 
 param(
@@ -9,6 +9,23 @@ param(
 # 支持一行命令传入 API Key: $key='xxx'; iwr ... | iex
 if (-not $ApiKey -and (Test-Path Variable:key)) { $ApiKey = $key }
 
+# ========== UTF-8 编码兼容 ==========
+# 确保中文字符在各种 PowerShell 环境中正确显示
+# 兼容: Windows PowerShell 5.x, PowerShell 7.x, Windows Terminal, conhost, ISE, iwr|iex
+try {
+    if ($Host.Name -eq 'ConsoleHost') {
+        [Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+        [Console]::InputEncoding = [System.Text.Encoding]::UTF8
+    }
+    $OutputEncoding = [System.Text.Encoding]::UTF8
+    # Windows 下同步控制台代码页为 UTF-8
+    if ($env:OS -eq 'Windows_NT') {
+        & cmd /c "chcp 65001 >nul" 2>&1 | Out-Null
+    }
+} catch {
+    # 静默处理 - ISE 等环境可能不支持 Console 类操作
+}
+
 # ========== 颜色输出函数 ==========
 function Write-Info { param([string]$Message); Write-Host "[INFO]" -ForegroundColor Blue -NoNewline; Write-Host " $Message" }
 function Write-Success { param([string]$Message); Write-Host "[SUCCESS]" -ForegroundColor Green -NoNewline; Write-Host " $Message" }