diff --git a/tool/install.sh b/tool/install.sh
index 3ff9fdb..ae3e08d 100755
--- a/tool/install.sh
+++ b/tool/install.sh
@@ -18,6 +18,8 @@ path_to_executable=""
 default_install_path="/usr/local/bin"
 binary_name="chsrc"
 temp_install_dir=""  # 用于存储临时安装目录
+helpflag=0
+lan="zh"
 
 # 输出相关信息
 info() {
@@ -32,14 +34,27 @@ error() {
 
 # 显示 chsrc 安装程序的帮助信息，包括使用说明和可用选项
 help() {
-  echo "chsrc Installer"
-  echo
-  echo "使用: install.sh [-h] [-d <安装目录>] [-v <版本号>]"
-  echo "选项:"
-  echo "-h     打印此帮助信息"
-  echo "-d     指定安装目录，默认为 /usr/local/bin；如果已安装，则覆盖旧版本"
-  echo "-v     指定版本号，范围是 0.1.4 到 0.1.9 或 'pre'"
-  echo
+  if [ "$lan" = "zh" ]; then
+    echo "chsrc-installer: 在任何类Unix操作系统上安装 chsrc"
+    echo
+    echo "使用: install.sh [选项]"
+    echo "选项:"
+    echo "  -h               打印此帮助信息"
+    echo "  -d <destination> 指定安装目录，默认为 /usr/local/bin；若已安装，则覆盖旧版本"
+    echo "  -v <version>     指定 chsrc 版本"
+    echo "  -l <language>    指定脚本语言，支持 zh 和 en "
+    echo
+  else
+    echo "chsrc-installer: Install chsrc on any Unix-like OS"
+    echo
+    echo "Usage: install.sh [options]"
+    echo "Options:"
+    echo "  -h               Print this help information"
+    echo "  -d <destination> Specify installation directory, default is /usr/local/bin; will overwrite if already installed"
+    echo "  -v <version>     Specify chsrc version"
+    echo "  -l <language>    Specify script language, supports zh and en"
+    echo
+  fi
 }
 
 # 确定下载路径
@@ -50,19 +65,46 @@ set_install_path() {
 
     # 检查路径是否存在，如果不存在则创建该路径
     if [ ! -d "$install_dir" ]; then
-      echo "目录 $install_dir 不存在，正在创建..."
-      mkdir -p "$install_dir" || { echo "创建目录失败，请重试"; exit 1; }
+      # 多种语言输出
+      if [ "$lan" = "zh" ]; then
+        echo "目录 $install_dir 不存在，正在创建..."
+      else
+        echo "Directory $install_dir does not exist. Creating..."
+      fi
+      # 多语言输出
+      if ! mkdir -p "$install_dir"; then
+        if [ "$lan" = "zh" ]; then
+          echo "创建目录失败，请重试"
+        else
+          echo "Failed to create directory, please try again"
+        fi
+        exit 1
+      fi
+
       temp_install_dir="$install_dir"  # 记录临时安装目录
     fi
+
   elif existing_path=$(command -v "$binary_name" 2>/dev/null); then
-    info "$binary_name 已安装，更新路径: ${existing_path}"
+
+    if [ "$lan" = "zh"]; then
+      info "$binary_name 已安装，更新路径: ${existing_path}"
+    else
+      info "$binary_name is already installed, updating path: ${existing_path}"
+    fi
+
     install_dir=$(dirname "$existing_path")
   else
     # 检查默认路径
     if [ -d "$default_install_path" ] && [ -w "$default_install_path" ]; then
       install_dir="$default_install_path"
     else
-      error "默认下载路径 /usr/local/bin 不可写，请使用 sudo 命令运行脚本；或通过 -d 参数指定其它路径安装"
+
+      if [ "$lan" = "zh"]; then
+        error "默认下载路径 /usr/local/bin 不可写，请使用 sudo 命令运行脚本；或通过 -d 参数指定其它路径安装"
+      else
+        error "Default download path /usr/local/bin is not writable. Please run the script with sudo; or specify another path using the -d option."
+      fi
+
     fi
   fi
 }
@@ -76,7 +118,13 @@ install() {
     aarch64|arm64) arch="aarch64" ;;
     riscv64) arch="riscv64" ;;
     armv7*)  arch="armv7" ;;
-    *)       error "不支持的架构: ${arch}" ;;
+    *)       
+      if [ "$lan" = "zh" ]; then
+        error "不支持的架构: ${arch}"
+      else
+        error "Unsupported architecture: ${arch}"
+      fi
+      ;;
   esac
 
   platform="$(uname -s | awk '{print tolower($0)}')"
@@ -84,32 +132,62 @@ install() {
   case "$platform" in
     linux)  platform="linux" ;;
     darwin) platform="macos" ;;
-    *)      error "不支持的平台: ${platform}" ;;
+    *)       
+      if [ "$lan" = "zh" ]; then
+        error "不支持的平台: ${platform}" 
+      else
+        error "Unsupported platform: ${platform}"
+      fi
+      ;;
   esac
 
   if [[ ! "$version" =~ ^(pre|0\.1\.([4-9]))$ ]]; then
       # version 不符合条件，报错
-      error "不支持的版本: ${version}，版本号必须在 0.1.4 到 0.1.9 之间或为 'pre'"
+      if [ "$lan" = "zh" ]; then
+        error "不支持的版本: ${version}，版本号必须在 0.1.4 到 0.1.9 之间或为 'pre'"
+      else
+        error "Unsupported version: ${version}. Version number must be between 0.1.4 and 0.1.9 or 'pre'"
+      fi
   fi
 
   url="https://gitee.com/RubyMetric/chsrc/releases/download/${version}/${binary_name}-${arch}-${platform}"
 
   path_to_executable="${install_dir}/${binary_name}"
-
-  info "下载 ${binary_name} (${arch} 架构, ${platform} 平台， ${version}版本) 到 ${path_to_executable}"
+  
+  if [ "$lan" = "zh" ]; then
+    info "下载 ${binary_name} (${arch} 架构, ${platform} 平台， ${version}版本) 到 ${path_to_executable}"
+  else
+    info "Downloading ${binary_name} (${arch} architecture, ${platform} platform, version ${version}) to ${path_to_executable}"
+  fi
 
   if curl -sL "$url" -o "$path_to_executable"; then
     chmod +x "$path_to_executable"
-    info "🎉 安装完成，路径: $path_to_executable"
+
+    if [ "$lan" = "zh" ]; then
+      info "🎉 安装完成，版本： $version，路径: $path_to_executable"
+    else
+      info "🎉 Installation completed, path: $path_to_executable"
+    fi
+
   else
-    error "下载失败，请检查您的网络连接和代理设置: ${url}"
+    if [ "$lan" = "zh" ]; then
+      error "下载失败，请检查您的网络连接和代理设置: ${url}"
+    else
+      error "Download failed, please check your network connection and proxy settings: ${url}"
+    fi
+
   fi
 }
 
 # 清理函数
 cleanup() {
   if [ -n "$temp_install_dir" ] && [ -d "$temp_install_dir" ]; then
-    echo "清理创建的目录: $temp_install_dir"
+
+    if [ "$lan" = "zh" ]; then
+      echo "清理创建的目录: $temp_install_dir"
+    else
+      echo "Cleaning up created directory: $temp_install_dir"
+    fi
     rm -rf "$temp_install_dir"
   fi
 }
@@ -118,11 +196,10 @@ cleanup() {
 trap cleanup EXIT
 
 # 从命令行读取 安装路径与版本号
-while getopts ":hd:v:" option; do
+while getopts ":hd:v:l:" option; do
   case $option in
   h)
-    help
-    exit 0
+    helpflag=1
     ;;
   d)
     install_dir=${OPTARG}
@@ -130,6 +207,9 @@ while getopts ":hd:v:" option; do
   v)
     version=${OPTARG}
     ;;
+  l)
+    lan=${OPTARG}
+    ;;
   \?)
     echo "无效的命令行选项。使用 -h 查看帮助"
     exit 1
@@ -137,5 +217,15 @@ while getopts ":hd:v:" option; do
   esac
 done
 
+# 判断语言的类型，不符合直接退出
+if [[ "$lan" != "zh" && "$lan" != "en" ]]; then
+  error "无效的语言选项: $lan。支持的选项是 zh 和 en"
+fi
+
+if [ "$helpflag" -eq 1 ]; then
+  help
+  exit 0;
+fi
+
 set_install_path
 install
\ No newline at end of file