update install.sh and nsk.sh

Author: LloydAsp

install.sh

@@ -51,7 +51,7 @@ cd /tmp
 temp_dir=$(mktemp -d)
 curl -sLo - $temp_download_file "https://github.com/NodeSeekDev/NodeScriptKit/archive/refs/tags/$MENU_VERSION.tar.gz" | \
     tar -xzv -C $temp_dir
-cp $temp_dir/*/menu.toml /etc/nsk/config.toml
+[ -f "/etc/nsk/config.toml" ] || cp $temp_dir/*/menu.toml /etc/nsk/config.toml
 rm -rf /etc/nsk/modules.d/default/*  # Remove old scripts to prevent conflicts
 cp $temp_dir/*/modules.d/* /etc/nsk/modules.d/default/
 
@@ -61,4 +61,6 @@ cp $temp_dir/*/nsk.sh /usr/bin/nsk
 chmod u+x /usr/bin/nsk
 [ -f "/usr/bin/n" ] || ln -s /usr/bin/nsk /usr/bin/n
 
+rm -rf $temp_dir
+
 echo -e "\e[1;32mnsk脚本安装成功啦，可以输入n或者nsk命令唤出菜单\e[0m"

nsk.sh

@@ -7,7 +7,7 @@ if [ -n "$MENU_VERSION" ] && \
     echo "检测到有新版本可以更新，是否升级？[y/N]"
     read -r ans
     if [ "$ans" = "y" ] || [ "$ans" = "Y" ]; then
-        bash <(curl -Ls https://raw.githubusercontent.com/NodeSeekDev/NodeScriptKit/refs/heads/main/install.sh)
+        bash <(curl -Ls https://raw.githubusercontent.com/NodeSeekDev/NodeScriptKit/refs/heads/main/install.sh) && exit
     else
         echo "已取消升级"
     fi