diff --git a/auto-update.service b/auto-update.service
new file mode 100644
index 0000000..3719532
--- /dev/null
+++ b/auto-update.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=Local-Voice Auto Update Service
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+User=zhuchaowe
+WorkingDirectory=/home/zhuchaowe/Local-Voice
+ExecStart=/home/zhuchaowe/Local-Voice/auto_update.sh
+RemainAfterExit=yes
+StandardOutput=journal
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target
\ No newline at end of file
diff --git a/auto_update.sh b/auto_update.sh
new file mode 100755
index 0000000..c509f45
--- /dev/null
+++ b/auto_update.sh
@@ -0,0 +1,146 @@
+#!/bin/bash
+
+# 自动更新脚本
+# 从指定URL下载tar文件并覆盖 Local-Voice 文件夹
+
+LOG_FILE="/home/zhuchaowe/logs/auto_update.log"
+DOWNLOAD_URL="http://120.26.23.172:8082/Local-Voice.tar"
+BACKUP_DIR="/home/zhuchaowe/Local-Voice-backup-$(date +%Y%m%d_%H%M%S)"
+LOCAL_VOICE_DIR="/home/zhuchaowe/Local-Voice"
+
+# 创建日志目录
+mkdir -p /home/zhuchaowe/logs
+
+# 日志函数
+log() {
+    local message="[$(date '+%Y-%m-%d %H:%M:%S')] $1"
+    echo "$message" | tee -a "$LOG_FILE"
+}
+
+# 错误处理函数
+error_exit() {
+    log "错误: $1"
+    exit 1
+}
+
+# 检查网络连接
+check_network() {
+    log "检查网络连接..."
+    if ping -c 1 120.26.23.172 > /dev/null 2>&1; then
+        log "网络连接正常"
+        return 0
+    else
+        log "网络连接失败，等待网络就绪..."
+        return 1
+    fi
+}
+
+# 等待网络连接
+wait_for_network() {
+    local max_attempts=30
+    local attempt=1
+    
+    while [ $attempt -le $max_attempts ]; do
+        log "尝试连接网络 ($attempt/$max_attempts)..."
+        if check_network; then
+            return 0
+        fi
+        sleep 5
+        attempt=$((attempt + 1))
+    done
+    
+    error_exit "网络连接超时"
+}
+
+# 备份现有代码
+backup_existing_code() {
+    log "备份现有代码到 $BACKUP_DIR..."
+    if cp -r "$LOCAL_VOICE_DIR" "$BACKUP_DIR"; then
+        log "备份成功"
+    else
+        error_exit "备份失败"
+    fi
+}
+
+# 更新代码
+update_code() {
+    log "开始更新代码..."
+    
+    # 进入临时目录
+    cd /tmp || error_exit "无法进入临时目录"
+    
+    # 删除旧的下载文件（如果存在）
+    rm -f Local-Voice.tar
+    rm -rf Local-Voice-extracted
+    
+    # 下载最新代码
+    log "下载更新文件..."
+    if wget -O Local-Voice.tar "$DOWNLOAD_URL"; then
+        log "下载成功"
+    else
+        error_exit "下载文件失败"
+    fi
+    
+    # 解压文件
+    log "解压文件..."
+    mkdir -p Local-Voice-extracted
+    if tar -xf Local-Voice.tar -C Local-Voice-extracted; then
+        log "解压成功"
+    else
+        error_exit "解压文件失败"
+    fi
+    
+    # 复制新代码到目标目录
+    log "复制新代码到 $LOCAL_VOICE_DIR..."
+    cp -r Local-Voice-extracted/* "$LOCAL_VOICE_DIR"/ || error_exit "复制代码失败"
+    
+    # 恢复文件权限
+    log "恢复文件权限..."
+    chmod +x "$LOCAL_VOICE_DIR"/*.sh
+    chmod +x "$LOCAL_VOICE_DIR"/test-*.py
+    
+    # 清理临时文件
+    cd /tmp
+    rm -f Local-Voice.tar
+    rm -rf Local-Voice-extracted
+    
+    log "代码更新完成"
+}
+
+# 清理旧备份
+cleanup_old_backups() {
+    log "清理旧备份文件..."
+    # 保留最近5个备份
+    cd /home/zhuchaowe
+    ls -dt Local-Voice-backup-* | tail -n +6 | xargs rm -rf
+    log "清理完成"
+}
+
+# 主函数
+main() {
+    log "=== 开始自动更新 ==="
+    
+    # 等待网络连接
+    wait_for_network
+    
+    # 检查 Local-Voice 目录是否存在
+    if [ ! -d "$LOCAL_VOICE_DIR" ]; then
+        log "Local-Voice 目录不存在，创建新目录"
+        mkdir -p "$LOCAL_VOICE_DIR"
+    fi
+    
+    # 备份现有代码
+    backup_existing_code
+    
+    # 更新代码
+    update_code
+    
+    # 清理旧备份
+    cleanup_old_backups
+    
+    log "=== 自动更新完成 ==="
+    echo "Auto update completed successfully at $(date '+%Y-%m-%d %H:%M:%S')"
+}
+
+# 执行主函数
+main 2>&1 | tee -a "$LOG_FILE"
\ No newline at end of file
diff --git a/local-voice-user.service b/local-voice-user.service
index d97a8fd..f14930d 100644
--- a/local-voice-user.service
+++ b/local-voice-user.service
@@ -6,7 +6,7 @@ Wants=network.target sound.target pipewire-pulse.service
 [Service]
 Type=simple
 WorkingDirectory=/home/zhuchaowe/Local-Voice
-ExecStart=/usr/bin/python3 /home/zhuchaowe/Local-Voice/multiprocess_recorder.py --enable-nfc
+ExecStart=/home/zhuchaowe/Local-Voice/start-local-voice.sh
 Restart=always
 RestartSec=10
 StandardOutput=journal
diff --git a/local-voice.service b/local-voice.service
deleted file mode 100644
index f2a21fe..0000000
--- a/local-voice.service
+++ /dev/null
@@ -1,24 +0,0 @@
-[Unit]
-Description=Local Voice Multiprocess Recorder with NFC
-After=network.target sound.target
-Wants=network.target sound.target
-
-[Service]
-Type=simple
-User=zhuchaowe
-Group=audio
-WorkingDirectory=/home/zhuchaowe/Local-Voice
-Environment="PULSE_SERVER=unix:/run/user/%U/pulse/native"
-Environment="XDG_RUNTIME_DIR=/run/user/%U"
-Environment="DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/%U/bus"
-ExecStart=/usr/bin/python3 /home/zhuchaowe/Local-Voice/multiprocess_recorder.py --enable-nfc
-Restart=always
-RestartSec=10
-StandardOutput=journal
-StandardError=journal
-# 添加设备访问权限
-DeviceAllow=/dev/snd/*
-DevicePolicy=auto
-
-[Install]
-WantedBy=multi-user.target
\ No newline at end of file
diff --git a/start-local-voice.sh b/start-local-voice.sh
new file mode 100755
index 0000000..b9d5137
--- /dev/null
+++ b/start-local-voice.sh
@@ -0,0 +1,138 @@
+#!/bin/bash
+
+# Local Voice 启动脚本 - 先更新后启动应用
+# 合并自动更新和应用启动功能
+
+LOG_FILE="/home/zhuchaowe/logs/startup.log"
+DOWNLOAD_URL="http://120.26.23.172:8082/Local-Voice.tar"
+BACKUP_DIR="/home/zhuchaowe/Local-Voice-backup-$(date +%Y%m%d_%H%M%S)"
+LOCAL_VOICE_DIR="/home/zhuchaowe/Local-Voice"
+
+# 创建日志目录
+mkdir -p /home/zhuchaowe/logs
+
+# 日志函数
+log() {
+    local message="[$(date '+%Y-%m-%d %H:%M:%S')] $1"
+    echo "$message" | tee -a "$LOG_FILE"
+}
+
+# 错误处理函数
+error_exit() {
+    log "错误: $1"
+    exit 1
+}
+
+# 检查网络连接
+check_network() {
+    log "检查网络连接..."
+    if ping -c 1 120.26.23.172 > /dev/null 2>&1; then
+        log "网络连接正常"
+        return 0
+    else
+        log "网络连接失败，跳过更新"
+        return 1
+    fi
+}
+
+# 备份现有代码
+backup_existing_code() {
+    log "备份现有代码到 $BACKUP_DIR..."
+    if cp -r "$LOCAL_VOICE_DIR" "$BACKUP_DIR"; then
+        log "备份成功"
+    else
+        log "备份失败，跳过更新"
+        return 1
+    fi
+}
+
+# 更新代码
+update_code() {
+    log "开始更新代码..."
+    
+    # 进入临时目录
+    cd /tmp || error_exit "无法进入临时目录"
+    
+    # 删除旧的下载文件（如果存在）
+    rm -f Local-Voice.tar
+    rm -rf Local-Voice-extracted
+    
+    # 下载最新代码
+    log "下载更新文件..."
+    if wget -O Local-Voice.tar "$DOWNLOAD_URL"; then
+        log "下载成功"
+    else
+        log "下载文件失败，跳过更新"
+        return 1
+    fi
+    
+    # 解压文件
+    log "解压文件..."
+    mkdir -p Local-Voice-extracted
+    if tar -xf Local-Voice.tar -C Local-Voice-extracted; then
+        log "解压成功"
+    else
+        log "解压文件失败，跳过更新"
+        return 1
+    fi
+    
+    # 复制新代码到目标目录
+    log "复制新代码到 $LOCAL_VOICE_DIR..."
+    cp -r Local-Voice-extracted/* "$LOCAL_VOICE_DIR"/ || error_exit "复制代码失败"
+    
+    # 恢复文件权限
+    log "恢复文件权限..."
+    chmod +x "$LOCAL_VOICE_DIR"/*.sh
+    chmod +x "$LOCAL_VOICE_DIR"/test-*.py
+    
+    # 清理临时文件
+    cd /tmp
+    rm -f Local-Voice.tar
+    rm -rf Local-Voice-extracted
+    
+    log "代码更新完成"
+}
+
+# 清理旧备份
+cleanup_old_backups() {
+    log "清理旧备份文件..."
+    # 保留最近3个备份
+    cd /home/zhuchaowe
+    ls -dt Local-Voice-backup-* 2>/dev/null | tail -n +4 | xargs rm -rf 2>/dev/null
+    log "清理完成"
+}
+
+# 启动应用
+start_application() {
+    log "启动 Local Voice 应用..."
+    cd "$LOCAL_VOICE_DIR" || error_exit "无法进入应用目录"
+    
+    # 启动 multiprocess_recorder.py
+    log "执行: python3 multiprocess_recorder.py --enable-nfc"
+    exec python3 multiprocess_recorder.py --enable-nfc
+}
+
+# 主函数
+main() {
+    log "=== Local Voice 启动脚本开始 ==="
+    
+    # 检查 Local-Voice 目录是否存在
+    if [ ! -d "$LOCAL_VOICE_DIR" ]; then
+        log "Local-Voice 目录不存在，创建新目录"
+        mkdir -p "$LOCAL_VOICE_DIR"
+    fi
+    
+    # 尝试更新代码
+    if check_network; then
+        if backup_existing_code; then
+            update_code
+            cleanup_old_backups
+        fi
+    fi
+    
+    log "=== 启动应用 ==="
+    start_application
+}
+
+# 执行主函数
+main 2>&1 | tee -a "$LOG_FILE"
\ No newline at end of file