diff --git a/shell/proxy-glm5_2.sh b/shell/proxy-glm5_2.sh
new file mode 100644
index 0000000..6fe87c0
--- /dev/null
+++ b/shell/proxy-glm5_2.sh
@@ -0,0 +1,269 @@
+#!/usr/bin/env bash
+# ============================================================
+# File:        proxy.sh
+# Description: 通用代理管理脚本
+# Usage:
+#   source proxy.sh         # 加载默认配置
+#   proxy on                # 开启代理
+#   proxy off               # 关闭代理
+#   proxy status            # 查看代理状态
+#   proxy test              # 测试代理连通性
+#   proxy set <host> <port> # 临时设置代理地址
+#
+# 也可直接执行: bash proxy.sh [on|off|status|test|set ...]
+# ============================================================
+
+# -------------------- 默认配置 --------------------
+PROXY_HOST="${PROXY_HOST:-127.0.0.1}"
+PROXY_PORT="${PROXY_PORT:-7890}"
+PROXY_TYPE="${PROXY_TYPE:-http}"       # http 或 socks5
+NO_PROXY_LIST="localhost,127.0.0.1,::1,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16"
+
+# -------------------- 构建代理 URL --------------------
+function _build_proxy_url() {
+    local type="${PROXY_TYPE:-http}"
+    local host="${PROXY_HOST:-127.0.0.1}"
+    local port="${PROXY_PORT:-7890}"
+
+    case "$type" in
+        http|HTTP)    echo "http://${host}:${port}" ;;
+        socks5|socks) echo "socks5://${host}:${port}" ;;
+        socks4)       echo "socks4://${host}:${port}" ;;
+        *)            echo "${type}://${host}:${port}" ;;
+    esac
+}
+
+# -------------------- 开启代理 --------------------
+function proxy_on() {
+    local url
+    url="$(_build_proxy_url)"
+
+    # --- 环境变量 ---
+    export http_proxy="$url"
+    export HTTP_PROXY="$url"
+    export https_proxy="$url"
+    export HTTPS_PROXY="$url"
+    export all_proxy="$url"
+    export ALL_PROXY="$url"
+    export no_proxy="$NO_PROXY_LIST"
+    export NO_PROXY="$NO_PROXY_LIST"
+    export ftp_proxy="$url"
+    export FTP_PROXY="$url"
+    export rsync_proxy="$url"
+
+    # --- Git ---
+    git config --global http.proxy  "$url"  2>/dev/null
+    git config --global https.proxy "$url"  2>/dev/null
+
+    # --- NPM ---
+    npm config set proxy "$url"         2>/dev/null
+    npm config set https-proxy "$url"   2>/dev/null
+
+    # --- Yarn ---
+    yarn config set proxy "$url"        2>/dev/null
+    yarn config set https-proxy "$url"  2>/dev/null
+
+    # --- Docker（需要 sudo 权限写入配置目录）---
+    if [ -d /etc/systemd/system/docker.service.d ]; then
+        local docker_conf="/etc/systemd/system/docker.service.d/http-proxy.conf"
+        sudo bash -c "cat > '$docker_conf' <<EOF
+[Service]
+Environment=\"HTTP_PROXY=$url\"
+Environment=\"HTTPS_PROXY=$url\"
+Environment=\"NO_PROXY=$NO_PROXY_LIST\"
+EOF"
+        sudo systemctl daemon-reload 2>/dev/null
+        sudo systemctl restart docker  2>/dev/null
+    fi
+
+    echo -e "\033[32m[✓] 代理已开启  →  \033[1m${url}\033[0m"
+    echo -e "\033[32m    NO_PROXY   →  \033[1m${NO_PROXY_LIST}\033[0m"
+}
+
+# -------------------- 关闭代理 --------------------
+function proxy_off() {
+    # --- 环境变量 ---
+    unset http_proxy HTTP_PROXY
+    unset https_proxy HTTPS_PROXY
+    unset all_proxy ALL_PROXY
+    unset no_proxy NO_PROXY
+    unset ftp_proxy FTP_PROXY
+    unset rsync_proxy
+
+    # --- Git ---
+    git config --global --unset http.proxy  2>/dev/null
+    git config --global --unset https.proxy 2>/dev/null
+
+    # --- NPM ---
+    npm config delete proxy         2>/dev/null
+    npm config delete https-proxy   2>/dev/null
+
+    # --- Yarn ---
+    yarn config delete proxy         2>/dev/null
+    yarn config delete https-proxy   2>/dev/null
+
+    # --- Docker ---
+    local docker_conf="/etc/systemd/system/docker.service.d/http-proxy.conf"
+    if [ -f "$docker_conf" ]; then
+        sudo rm -f "$docker_conf"
+        sudo systemctl daemon-reload 2>/dev/null
+        sudo systemctl restart docker  2>/dev/null
+    fi
+
+    echo -e "\033[31m[✓] 代理已关闭\033[0m"
+}
+
+# -------------------- 查看代理状态 --------------------
+function proxy_status() {
+    echo -e "\n\033[1m========== 代理状态 ==========\033[0m"
+
+    # 环境变量
+    echo -e "\n\033[1m[环境变量]\033[0m"
+    local env_vars=("http_proxy" "https_proxy" "all_proxy" "no_proxy" "ftp_proxy")
+    for var in "${env_vars[@]}"; do
+        local val="${!var}"
+        if [ -n "$val" ]; then
+            printf "  \033[32m%-14s → %s\033[0m\n" "$var" "$val"
+        else
+            printf "  \033[90m%-14s → (未设置)\033[0m\n" "$var"
+        fi
+    done
+
+    # Git 配置
+    echo -e "\n\033[1m[Git 配置]\033[0m"
+    local git_http  git_https
+    git_http=$(git config --global --get http.proxy 2>/dev/null)
+    git_https=$(git config --global --get https.proxy 2>/dev/null)
+    if [ -n "$git_http" ] || [ -n "$git_https" ]; then
+        [ -n "$git_http" ]  && printf "  \033[32mhttp.proxy   → %s\033[0m\n" "$git_http"
+        [ -n "$git_https" ] && printf "  \033[32mhttps.proxy  → %s\033[0m\n" "$git_https"
+    else
+        printf "  \033[90m(未配置)\033[0m\n"
+    fi
+
+    # NPM 配置
+    if command -v npm &>/dev/null; then
+        echo -e "\n\033[1m[NPM 配置]\033[0m"
+        local npm_proxy npm_https_proxy
+        npm_proxy=$(npm config get proxy 2>/dev/null)
+        npm_https_proxy=$(npm config get https-proxy 2>/dev/null)
+        if [ "$npm_proxy" != "null" ] && [ -n "$npm_proxy" ]; then
+            printf "  \033[32mproxy         → %s\033[0m\n" "$npm_proxy"
+        else
+            printf "  \033[90mproxy         → (未设置)\033[0m\n"
+        fi
+        if [ "$npm_https_proxy" != "null" ] && [ -n "$npm_https_proxy" ]; then
+            printf "  \033[32mhttps-proxy   → %s\033[0m\n" "$npm_https_proxy"
+        else
+            printf "  \033[90mhttps-proxy   → (未设置)\033[0m\n"
+        fi
+    fi
+
+    echo -e "\n"
+}
+
+# -------------------- 测试代理连通性 --------------------
+function proxy_test() {
+    local url
+    url="$(_build_proxy_url)"
+
+    echo -e "\033[1m[测试代理] ${url}\033[0m\n"
+
+    # 测试 Google (需要代理)
+    echo -n "  Google (proxy)     → "
+    if curl -s -o /dev/null -w "%{http_code}" --max-time 5 --proxy "$url" https://www.google.com 2>/dev/null | grep -q "200\|301\|302"; then
+        echo -e "\033[32m✓ OK\033[0m"
+    else
+        echo -e "\033[31m✗ FAIL\033[0m"
+    fi
+
+    # 测试 GitHub (需要代理)
+    echo -n "  GitHub (proxy)     → "
+    if curl -s -o /dev/null -w "%{http_code}" --max-time 5 --proxy "$url" https://github.com 2>/dev/null | grep -q "200\|301\|302"; then
+        echo -e "\033[32m✓ OK\033[0m"
+    else
+        echo -e "\033[31m✗ FAIL\033[0m"
+    fi
+
+    # 测试本地直连
+    echo -n "  Local (no proxy)   → "
+    if curl -s -o /dev/null -w "%{http_code}" --max-time 3 --noproxy '*' https://www.baidu.com 2>/dev/null | grep -q "200\|301\|302"; then
+        echo -e "\033[32m✓ OK\033[0m"
+    else
+        echo -e "\033[31m✗ FAIL\033[0m"
+    fi
+
+    echo ""
+}
+
+# -------------------- 临时设置代理地址 --------------------
+function proxy_set() {
+    if [ $# -lt 2 ]; then
+        echo -e "\033[33m用法: proxy set <host> <port> [http|socks5]\033[0m"
+        echo -e "\033[33m示例: proxy set 192.168.1.100 1080 socks5\033[0m"
+        return 1
+    fi
+    PROXY_HOST="$1"
+    PROXY_PORT="$2"
+    if [ -n "$3" ]; then
+        PROXY_TYPE="$3"
+    fi
+    echo -e "\033[32m[✓] 代理地址已设置为 ${PROXY_TYPE}://${PROXY_HOST}:${PROXY_PORT}\033[0m"
+    echo -e "\033[32m    执行 'proxy on' 启用新的代理地址\033[0m"
+}
+
+# -------------------- 总入口函数 --------------------
+function proxy() {
+    case "$1" in
+        on)       proxy_on ;;
+        off)      proxy_off ;;
+        status)   proxy_status ;;
+        test)     proxy_test ;;
+        set)      shift; proxy_set "$@" ;;
+        toggle)
+            if [ -n "$http_proxy" ]; then
+                proxy_off
+            else
+                proxy_on
+            fi
+            ;;
+        help|*)
+            echo -e "
+\033[1m========== proxy.sh — 通用代理管理 ==========\033[0m
+
+\033[1m用法:\033[0m
+  source proxy.sh          # 加载脚本（必须先 source 才能用 proxy 命令）
+
+  proxy on                 # 开启代理（环境变量 + git + npm + docker）
+  proxy off                # 关闭代理（清除所有配置）
+  proxy status             # 查看当前代理状态
+  proxy test               # 测试代理连通性
+  proxy toggle             # 切换代理开/关
+  proxy set <h> <p> [type] # 设置代理地址
+  proxy help               # 显示帮助
+
+\033[1m默认配置（可通过环境变量覆盖）:\033[0m
+  PROXY_HOST  = ${PROXY_HOST}
+  PROXY_PORT  = ${PROXY_PORT}
+  PROXY_TYPE  = ${PROXY_TYPE}  (http | socks5 | socks4)
+
+\033[1m自定义示例:\033[0m
+  PROXY_HOST=10.0.0.5 PROXY_PORT=1080 PROXY_TYPE=socks5 source proxy.sh
+  proxy set 10.0.0.5 1080 socks5   # 临时修改
+"
+            ;;
+    esac
+}
+
+# -------------------- 执行入口 --------------------
+# 如果被直接执行（非 source），解析命令行参数
+if [ "${BASH_SOURCE[0]:-$0}" = "$0" ]; then
+    if [ $# -gt 0 ]; then
+        proxy "$@"
+    else
+        proxy help
+    fi
+else
+    # source 方式加载，显示提示
+    echo -e "\033[36m[proxy.sh] 已加载。使用 'proxy help' 查看用法。\033[0m"
+fi
diff --git a/shell/proxy.ps1 b/shell/proxy.ps1
new file mode 100644
index 0000000..2a4a017
--- /dev/null
+++ b/shell/proxy.ps1
@@ -0,0 +1,353 @@
+<#
+.SYNOPSIS
+    通用代理管理脚本 (PowerShell 版)
+.DESCRIPTION
+    source/加载后使用 proxy 命令管理代理开/关/状态/测试
+.NOTES
+    File: proxy.ps1
+    用法:
+      . .\proxy.ps1                     # 加载脚本
+      proxy on                          # 开启代理
+      proxy off                         # 关闭代理
+      proxy status                      # 查看代理状态
+      proxy test                        # 测试代理连通性
+      proxy set <host> <port> [type]    # 临时设置代理地址
+      proxy toggle                      # 切换开/关
+      proxy help                        # 显示帮助
+#>
+
+# -------------------- 默认配置 --------------------
+if (-not $env:_PROXY_HOST)  { $env:_PROXY_HOST  = "127.0.0.1" }
+if (-not $env:_PROXY_PORT)  { $env:_PROXY_PORT  = "7890" }
+if (-not $env:_PROXY_TYPE)  { $env:_PROXY_TYPE  = "http" }   # http | socks5 | socks4
+
+$global:NO_PROXY_LIST = "localhost,127.0.0.1,::1,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16"
+
+# -------------------- 辅助：构建代理 URL --------------------
+function _BuildProxyUrl {
+    $type = $env:_PROXY_TYPE
+    $host_addr = $env:_PROXY_HOST
+    $port = $env:_PROXY_PORT
+
+    switch ($type.ToLower()) {
+        "http"    { return "http://$host_addr`:$port" }
+        "socks5"  { return "socks5://$host_addr`:$port" }
+        "socks4"  { return "socks4://$host_addr`:$port" }
+        default   { return "$type`://$host_addr`:$port" }
+    }
+}
+
+# -------------------- 辅助：控制台 WinINET 代理 (系统级 IE/Edge) --------------------
+function _SetWinInetProxy([string]$proxyUrl) {
+    $regPath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings"
+    if ($proxyUrl) {
+        Set-ItemProperty -Path $regPath -Name ProxyEnable -Value 1
+        Set-ItemProperty -Path $regPath -Name ProxyServer -Value ($proxyUrl -replace '^\w+://', '')
+        Set-ItemProperty -Path $regPath -Name ProxyOverride -Value $global:NO_PROXY_LIST
+    } else {
+        Set-ItemProperty -Path $regPath -Name ProxyEnable -Value 0
+    }
+    # 广播 WM_SETTINGCHANGE，让其他程序感知代理变更
+    $sig = @'
+[DllImport("wininet.dll", SetLastError=true)]
+public static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength);
+[DllImport("user32.dll", SetLastError=true, CharSet=CharSet.Auto)]
+public static extern IntPtr SendMessageTimeout(IntPtr hWnd, uint Msg, UIntPtr wParam, string lParam, uint fuFlags, uint uTimeout, out UIntPtr lpdwResult);
+'@
+    try {
+        Add-Type -MemberDefinition $sig -Namespace WinAPI -Name ProxyHelper -ErrorAction SilentlyContinue
+        [WinAPI.ProxyHelper]::InternetSetOption([IntPtr]::Zero, 39, [IntPtr]::Zero, 0) | Out-Null   # PROXY_SETTINGS_CHANGED
+        $HWND_BROADCAST = [IntPtr]0xffff
+        $WM_SETTINGCHANGE = 0x1A
+        $result = [UIntPtr]::Zero
+        [WinAPI.ProxyHelper]::SendMessageTimeout($HWND_BROADCAST, $WM_SETTINGCHANGE, [UIntPtr]::Zero, "Environment", 2, 2000, [ref]$result) | Out-Null
+    } catch {}
+}
+
+# ====================================================================
+# 开启代理
+# ====================================================================
+function Proxy-On {
+    $url = _BuildProxyUrl
+
+    # --- 进程级环境变量 ---
+    $env:http_proxy  = $url
+    $env:HTTP_PROXY  = $url
+    $env:https_proxy = $url
+    $env:HTTPS_PROXY = $url
+    $env:all_proxy   = $url
+    $env:ALL_PROXY   = $url
+    $env:no_proxy    = $global:NO_PROXY_LIST
+    $env:NO_PROXY    = $global:NO_PROXY_LIST
+    $env:ftp_proxy   = $url
+    $env:FTP_PROXY   = $url
+    $env:rsync_proxy = $url
+
+    # --- 用户级环境变量（持久化，新开终端也生效）---
+    [Environment]::SetEnvironmentVariable("http_proxy",  $url, "User")
+    [Environment]::SetEnvironmentVariable("https_proxy", $url, "User")
+    [Environment]::SetEnvironmentVariable("all_proxy",   $url, "User")
+    [Environment]::SetEnvironmentVariable("no_proxy",    $global:NO_PROXY_LIST, "User")
+
+    # --- Git ---
+    git config --global http.proxy  $url 2>$null
+    git config --global https.proxy $url 2>$null
+
+    # --- NPM ---
+    npm config set proxy $url 2>$null
+    npm config set https-proxy $url 2>$null
+
+    # --- Yarn ---
+    yarn config set proxy $url 2>$null
+    yarn config set https-proxy $url 2>$null
+
+    # --- Windows 系统 WinINET (IE/Edge/Chrome 等) ---
+    _SetWinInetProxy $url
+
+    Write-Host "[✓] 代理已开启  →  " -ForegroundColor Green -NoNewline
+    Write-Host $url -ForegroundColor White
+    Write-Host "    NO_PROXY   →  " -ForegroundColor Green -NoNewline
+    Write-Host $global:NO_PROXY_LIST -ForegroundColor White
+}
+
+# ====================================================================
+# 关闭代理
+# ====================================================================
+function Proxy-Off {
+    # --- 进程级环境变量 ---
+    $vars = @("http_proxy","HTTP_PROXY","https_proxy","HTTPS_PROXY","all_proxy","ALL_PROXY",
+              "no_proxy","NO_PROXY","ftp_proxy","FTP_PROXY","rsync_proxy")
+    foreach ($v in $vars) { Remove-Item -Path "Env:$v" -ErrorAction SilentlyContinue }
+
+    # --- 用户级环境变量 ---
+    foreach ($v in @("http_proxy","https_proxy","all_proxy","no_proxy")) {
+        [Environment]::SetEnvironmentVariable($v, $null, "User")
+    }
+
+    # --- Git ---
+    git config --global --unset http.proxy  2>$null
+    git config --global --unset https.proxy 2>$null
+
+    # --- NPM ---
+    npm config delete proxy 2>$null
+    npm config delete https-proxy 2>$null
+
+    # --- Yarn ---
+    yarn config delete proxy 2>$null
+    yarn config delete https-proxy 2>$null
+
+    # --- Windows 系统 WinINET ---
+    _SetWinInetProxy $null
+
+    Write-Host "[✓] 代理已关闭" -ForegroundColor Red
+}
+
+# ====================================================================
+# 查看代理状态
+# ====================================================================
+function Proxy-Status {
+    Write-Host ""
+    Write-Host "========== 代理状态 ==========" -ForegroundColor White
+
+    # 环境变量
+    Write-Host "`n[环境变量]" -ForegroundColor White
+    $envVars = @("http_proxy", "https_proxy", "all_proxy", "no_proxy", "ftp_proxy")
+    foreach ($v in $envVars) {
+        $val = [Environment]::GetEnvironmentVariable($v, "Process")
+        if ($val) {
+            Write-Host ("  {0,-14} → {1}" -f $v, $val) -ForegroundColor Green
+        } else {
+            Write-Host ("  {0,-14} → (未设置)" -f $v) -ForegroundColor DarkGray
+        }
+    }
+
+    # 用户级环境变量
+    Write-Host "`n[用户级环境变量 (持久化)]" -ForegroundColor White
+    foreach ($v in @("http_proxy", "https_proxy", "all_proxy", "no_proxy")) {
+        $val = [Environment]::GetEnvironmentVariable($v, "User")
+        if ($val) {
+            Write-Host ("  {0,-14} → {1}" -f $v, $val) -ForegroundColor Green
+        } else {
+            Write-Host ("  {0,-14} → (未设置)" -f $v) -ForegroundColor DarkGray
+        }
+    }
+
+    # Git
+    Write-Host "`n[Git 配置] (global)" -ForegroundColor White
+    $gitHttp  = git config --global --get http.proxy 2>$null
+    $gitHttps = git config --global --get https.proxy 2>$null
+    if ($gitHttp -or $gitHttps) {
+        if ($gitHttp)  { Write-Host "  http.proxy   → $gitHttp"  -ForegroundColor Green }
+        if ($gitHttps) { Write-Host "  https.proxy  → $gitHttps" -ForegroundColor Green }
+    } else {
+        Write-Host "  (未配置)" -ForegroundColor DarkGray
+    }
+
+    # NPM
+    if (Get-Command npm -ErrorAction SilentlyContinue) {
+        Write-Host "`n[NPM 配置]" -ForegroundColor White
+        $npmProxy = npm config get proxy 2>$null
+        $npmHttps = npm config get https-proxy 2>$null
+        if ($npmProxy -and $npmProxy -ne "null" -and $npmProxy -ne "undefined") {
+            Write-Host "  proxy         → $npmProxy" -ForegroundColor Green
+        } else {
+            Write-Host "  proxy         → (未设置)" -ForegroundColor DarkGray
+        }
+        if ($npmHttps -and $npmHttps -ne "null" -and $npmHttps -ne "undefined") {
+            Write-Host "  https-proxy   → $npmHttps" -ForegroundColor Green
+        } else {
+            Write-Host "  https-proxy   → (未设置)" -ForegroundColor DarkGray
+        }
+    }
+
+    # Windows 系统代理
+    Write-Host "`n[Windows 系统 WinINET 代理]" -ForegroundColor White
+    $regPath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings"
+    if (Test-Path $regPath) {
+        $enabled = (Get-ItemProperty -Path $regPath -Name ProxyEnable -ErrorAction SilentlyContinue).ProxyEnable
+        $server  = (Get-ItemProperty -Path $regPath -Name ProxyServer -ErrorAction SilentlyContinue).ProxyServer
+        if ($enabled -eq 1) {
+            Write-Host "  ProxyEnable → 1" -ForegroundColor Green
+            Write-Host "  ProxyServer → $server" -ForegroundColor Green
+        } else {
+            Write-Host "  ProxyEnable → 0 (已禁用)" -ForegroundColor DarkGray
+        }
+    } else {
+        Write-Host "  (无法读取注册表)" -ForegroundColor DarkGray
+    }
+
+    Write-Host ""
+}
+
+# ====================================================================
+# 测试代理连通性
+# ====================================================================
+function Proxy-Test {
+    $url = _BuildProxyUrl
+    Write-Host "[测试代理] $url`n" -ForegroundColor White
+
+    # Google (通过代理)
+    Write-Host "  Google   (proxy)    → " -NoNewline
+    try {
+        $r = Invoke-WebRequest -Uri "https://www.google.com" -Proxy $url -TimeoutSec 5 -UseBasicParsing -ErrorAction Stop
+        if ($r.StatusCode -in 200,301,302) { Write-Host "✓ OK ($($r.StatusCode))" -ForegroundColor Green }
+        else { Write-Host "✗ FAIL ($($r.StatusCode))" -ForegroundColor Red }
+    } catch { Write-Host "✗ FAIL" -ForegroundColor Red }
+
+    # GitHub (通过代理)
+    Write-Host "  GitHub   (proxy)    → " -NoNewline
+    try {
+        $r = Invoke-WebRequest -Uri "https://github.com" -Proxy $url -TimeoutSec 5 -UseBasicParsing -ErrorAction Stop
+        if ($r.StatusCode -in 200,301,302) { Write-Host "✓ OK ($($r.StatusCode))" -ForegroundColor Green }
+        else { Write-Host "✗ FAIL ($($r.StatusCode))" -ForegroundColor Red }
+    } catch { Write-Host "✗ FAIL" -ForegroundColor Red }
+
+    # 本地直连 (不走代理)
+    Write-Host "  Baidu    (direct)   → " -NoNewline
+    try {
+        $r = Invoke-WebRequest -Uri "https://www.baidu.com" -TimeoutSec 3 -UseBasicParsing -NoProxy -ErrorAction Stop
+        if ($r.StatusCode -in 200,301,302) { Write-Host "✓ OK ($($r.StatusCode))" -ForegroundColor Green }
+        else { Write-Host "✗ FAIL ($($r.StatusCode))" -ForegroundColor Red }
+    } catch {
+        # PowerShell 5.1 不支持 -NoProxy，退而用 curl
+        try {
+            $code = (curl.exe -s -o NUL -w "%{http_code}" --max-time 3 --noproxy "*" https://www.baidu.com 2>$null)
+            if ($code -match "200|301|302") { Write-Host "✓ OK ($code)" -ForegroundColor Green }
+            else { Write-Host "✗ FAIL" -ForegroundColor Red }
+        } catch { Write-Host "✗ FAIL" -ForegroundColor Red }
+    }
+
+    Write-Host ""
+}
+
+# ====================================================================
+# 临时设置代理地址
+# ====================================================================
+function Proxy-Set {
+    param(
+        [Parameter(Position=0)][string]$ProxyHost,
+        [Parameter(Position=1)][string]$ProxyPort,
+        [Parameter(Position=2)][string]$ProxyType = "http"
+    )
+    if (-not $ProxyHost -or -not $ProxyPort) {
+        Write-Host "用法: proxy set <host> <port> [http|socks5]" -ForegroundColor Yellow
+        Write-Host '示例: proxy set 192.168.1.100 1080 socks5' -ForegroundColor Yellow
+        return
+    }
+    $env:_PROXY_HOST = $ProxyHost
+    $env:_PROXY_PORT = $ProxyPort
+    $env:_PROXY_TYPE = $ProxyType
+
+    Write-Host "[✓] 代理地址已设置为 ${ProxyType}://${ProxyHost}:${ProxyPort}" -ForegroundColor Green
+    Write-Host "    执行 'proxy on' 启用新的代理地址" -ForegroundColor Green
+}
+
+# ====================================================================
+# 主入口：proxy 命令
+# ====================================================================
+function proxy {
+    param(
+        [Parameter(Position=0)][string]$Action = "help",
+        [Parameter(Position=1, ValueFromRemainingArguments)][string[]]$Args
+    )
+
+    switch ($Action.ToLower()) {
+        "on"      { Proxy-On }
+        "off"     { Proxy-Off }
+        "status"  { Proxy-Status }
+        "test"    { Proxy-Test }
+        "toggle"  {
+            if ($env:http_proxy) { Proxy-Off } else { Proxy-On }
+        }
+        "set"     {
+            if ($Args -and $Args.Count -ge 2) {
+                $type = if ($Args.Count -ge 3) { $Args[2] } else { "http" }
+                Proxy-Set -ProxyHost $Args[0] -ProxyPort $Args[1] -ProxyType $type
+            } else {
+                Proxy-Set
+            }
+        }
+        "help" {
+            Write-Host @"
+
+========== proxy.ps1 — 通用代理管理 ==========
+
+用法:
+  . .\proxy.ps1                 # 加载脚本（Dot-Source）
+  proxy on                      # 开启代理 (环境变量 + 系统WinINET + git + npm)
+  proxy off                     # 关闭代理
+  proxy status                  # 查看代理状态
+  proxy test                    # 测试代理连通性
+  proxy toggle                  # 切换开/关
+  proxy set <host> <port> [type]# 设置代理地址
+  proxy help                    # 显示帮助
+
+默认配置 (可通过环境变量覆盖):
+  _PROXY_HOST = $($env:_PROXY_HOST)
+  _PROXY_PORT = $($env:_PROXY_PORT)
+  _PROXY_TYPE = $($env:_PROXY_TYPE)  (http | socks5 | socks4)
+
+自定义示例:
+  `$env:_PROXY_HOST = "10.0.0.5"     # 修改主机
+  `$env:_PROXY_PORT = "1080"         # 修改端口
+  proxy on                            # 启用
+
+"@ -ForegroundColor Cyan
+        }
+        default {
+            Write-Host "未知命令: $Action  (使用 'proxy help' 查看帮助)" -ForegroundColor Red
+        }
+    }
+}
+
+# -------------------- 加载提示 --------------------
+if ($MyInvocation.Line -notmatch '\$\s*\(?\s*\.\s+.*proxy\.ps1') {
+    # 被直接执行而非 dot-source 时
+    if ($args.Count -eq 0) {
+        # 无参数直接执行，先 dot-source 自己
+        Write-Host "[proxy.ps1] 请使用 '. .\proxy.ps1' 来加载脚本。" -ForegroundColor Yellow
+        Write-Host "[proxy.ps1] 如果要直接执行命令, 请运行: .\proxy.ps1 on" -ForegroundColor Yellow
+    }
+} else {
+    Write-Host "[proxy.ps1] 已加载。使用 'proxy help' 查看用法。" -ForegroundColor Cyan
+}