diff --git a/setup.sh b/setup.sh
index 78d38ab..1d8e1db 100644
--- a/setup.sh
+++ b/setup.sh
@@ -21,8 +21,11 @@ for choice in $choices; do
         sysctl -p
         ;;
     2)
-        read -p "输入Swap内存大小(MB): " swap_size
-        echo "执行设置Swap内存大小的脚本..."
+        echo "输入Swap内存大小(MB) [默认: 2G]: "
+        read -t 5 -p "> " swap_size
+        if [ $? -ne 0 ] || [ -z "$swap_size" ]; then
+            echo -e "\n使用默认值: ${swap_size}MB"
+        fi
         dd if=/dev/zero of=/swapfile bs=1M count=$swap_size
         mkswap /swapfile
         swapon /swapfile
@@ -34,11 +37,10 @@ for choice in $choices; do
         echo -e 'if [ -f ~/.alias.txt ]; then\n    . ~/.alias.txt\nfi' >>~/.bashrc
         ;;
     4)
-        echo "即将安装htop cbm tree ufw curl wget lsof micro git git-lfs 7z zellij"
-        echo "可选: build-essential ffmpeg"
-        read -p "额外安装（包名）: " app
+        echo "即将安装htop cbm tree ufw curl wget lsof micro git git-lfs 7z zellij build-essential ffmpeg"
+        read -t 5 -p "额外安装（包名）: " app
         apt update -y
-        apt install -y htop cbm tree ufw curl wget lsof micro git git-lfs $app
+        apt install -y htop cbm tree ufw curl wget lsof micro git git-lfs build-essential ffmpeg $app
         wget https://git.nvme.cc/adminroot/auto-update/raw/branch/main/app/zellij -O /usr/local/bin/zellij
         wget https://git.nvme.cc/adminroot/auto-update/raw/branch/main/app/7zz -O /usr/local/bin/7z
         chmod +x /usr/local/bin/7z /usr/local/bin/zellij
@@ -104,7 +106,7 @@ ufw reload'
         sed -i '$a import /etc/caddy/sites/*.txt' /etc/caddy/Caddyfile
         ;;
     8)
-        read -p "Conda安装路径 (默认: ~/.miniconda3): " CONDA_PATH
+        read -t 5 -p "Conda安装路径 (默认: ~/.miniconda3): " CONDA_PATH
         CONDA_PATH=${CONDA_PATH:-"$HOME/.miniconda3"}
         PROFILE="$HOME/.bashrc"
         ARCH=$(uname -m)