diff --git a/bin/install.sh b/bin/install.sh
index d3df877..afa6eae 100644
--- a/bin/install.sh
+++ b/bin/install.sh
@@ -96,7 +96,7 @@ update_sources_list() {
   {
     echo "deb $DEBIAN_MIRROR $version main contrib non-free"
     echo "# deb-src $DEBIAN_MIRROR $version main contrib non-free"
-  } | sudo tee /etc/apt/sources.list
+  } | sudo tee /etc/apt/sources.list > /dev/null
 }
 
 # 安装包函数
@@ -129,37 +129,37 @@ install_pip_packages() {
 setup_service() {
   debug "正在设置墨水屏时钟服务..."
   if [ ! -d "$HOME/2.13-Ink-screen-clock" ]; then
-    cd ~
-    if ! git clone $INK_SCREEN_CLOCK_REPO_URL; then
-      echo "克隆墨水屏时钟仓库失败" >&2
-      exit 1
-    fi
-    # 设置start.sh和clean.sh脚本的执行权限
-    chmod +x "$HOME/2.13-Ink-screen-clock/bin/start.sh"
-    chmod +x "$HOME/2.13-Ink-screen-clock/bin/clean.sh"
-  fi
-
-  SERVICE_PATH="raspi_e-Paper.service"
-  SERVICE1_PATH="e-Paper_clean.service"
-  SERVICE_FILE_PATH="$HOME/2.13-Ink-screen-clock/bin/$SERVICE_PATH"
-  SERVICE1_FILE_PATH="$HOME/2.13-Ink-screen-clock/bin/$SERVICE1_PATH"
-  if [ -f "$SERVICE_FILE_PATH" ] && [ -f "$SERVICE1_FILE_PATH" ]; then
-    # 复制服务文件到 systemd 目录
-    if sudo cp "$SERVICE_FILE_PATH" /etc/systemd/system/ && sudo cp "$SERVICE1_FILE_PATH" /etc/systemd/system/; then
-      # 重载 systemd 管理器配置
-      sudo systemctl daemon-reload
-      # 启动服务
-      sudo systemctl enable $SERVICE_PATH
-      sudo systemctl enable $SERVICE1_PATH
-      sudo systemctl start $SERVICE_PATH
-    else
-      echo "复制服务文件失败" >&2
-      exit 1
-    fi
-  else
-    echo "服务文件不存在于路径: $SERVICE_FILE_PATH 或 $SERVICE1_FILE_PATH" >&2
+  cd ~
+  if ! git clone $INK_SCREEN_CLOCK_REPO_URL; then
+    echo "克隆墨水屏时钟仓库失败" >&2
     exit 1
   fi
+  # 设置start.sh和clean.sh脚本的执行权限
+  chmod +x "$HOME/2.13-Ink-screen-clock/bin/start.sh"
+  chmod +x "$HOME/2.13-Ink-screen-clock/bin/clean.sh"
+fi
+
+SERVICE_PATH="raspi_e-Paper.service"
+SERVICE1_PATH="e-Paper_clean.service"
+SERVICE_FILE_PATH="$HOME/2.13-Ink-screen-clock/bin/$SERVICE_PATH"
+SERVICE1_FILE_PATH="$HOME/2.13-Ink-screen-clock/bin/$SERVICE1_PATH"
+if [ -f "$SERVICE_FILE_PATH" ] && [ -f "$SERVICE1_FILE_PATH" ]; then
+  # 复制服务文件到 systemd 目录
+  if sudo cp "$SERVICE_FILE_PATH" /etc/systemd/system/ && sudo cp "$SERVICE1_FILE_PATH" /etc/systemd/system/; then
+    # 重载 systemd 管理器配置
+    sudo systemctl daemon-reload
+    # 启动服务
+    sudo systemctl enable $SERVICE_PATH
+    sudo systemctl enable $SERVICE1_PATH
+    sudo systemctl start $SERVICE_PATH
+  else
+    echo "复制服务文件失败" >&2
+    exit 1
+  fi
+else
+  echo "服务文件不存在于路径: $SERVICE_FILE_PATH 或 $SERVICE1_FILE_PATH" >&2
+  exit 1
+fi
 }
 
 # 主逻辑