diff --git a/bin/clashfm.tar.gz b/bin/clashfm.tar.gz
index c3add58..be706c4 100644
Binary files a/bin/clashfm.tar.gz and b/bin/clashfm.tar.gz differ
diff --git a/bin/version b/bin/version
index a6f7043..9c843d0 100644
--- a/bin/version
+++ b/bin/version
@@ -2,5 +2,5 @@ clashnet_v=v1.7.6
 clashpre_v=2021.09.15
 clash_v=v1.7.1
 meta_v=v1.12.0
-versionsh=1.6.3
 GeoIP_v=20220920
+versionsh=1.6.4
diff --git a/install.sh b/install.sh
index c3bf312..e9acf32 100644
--- a/install.sh
+++ b/install.sh
@@ -16,13 +16,17 @@ setconfig(){
 	configpath=$clashdir/mark
 	[ -n "$(grep ${1} $configpath)" ] && sed -i "s#${1}=.*#${1}=${2}#g" $configpath || echo "${1}=${2}" >> $configpath
 }
-[ -f "/etc/storage/started_script.sh" ] && systype=Padavan && initdir='/etc/storage/started_script.sh'
-[ -d "/jffs" ] && systype=asusrouter && { 
+#特殊固件识别及标记
+[ -f "/etc/storage/started_script.sh" ] && {
+	systype=Padavan #老毛子固件
+	initdir='/etc/storage/started_script.sh'
+	}
+[ -d "/jffs" ] && {
+	systype=asusrouter #华硕固件
 	[ -f "/jffs/.asusrouter" ] && initdir='/jffs/.asusrouter'
 	[ -d "/jffs/scripts" ] && initdir='/jffs/scripts/nat-start' 
-	[ -z "$initdir" ] && initdir='/jffs/scripts/nat-start' && mkdir -p '/jffs/scripts'
 	}
-[ -f "/data/etc/crontabs/root" -a "$(dir_avail /etc)" = 0 ] && systype=mi_snapshot
+[ -f "/data/etc/crontabs/root" ] && systype=mi_wifi #小米设备
 #检查root权限
 if [ "$USER" != "root" -a -z "$systype" ];then
 	echo 当前用户:$USER
@@ -132,13 +136,15 @@ gettar(){
 		echo 无法写入环境变量！请检查安装权限！
 		exit 1
 	fi
-	#华硕/Padavan额外设置
+	#梅林/Padavan额外设置
 	[ -n "$initdir" ] && {
-		sed -i '/ShellClash初始化/'d $initdir && touch $initdir && echo "$clashdir/start.sh init #ShellClash初始化脚本" >> $initdir
+		sed -i '/ShellClash初始化/'d $initdir
+		touch $initdir
+		echo "$clashdir/start.sh init #ShellClash初始化脚本" >> $initdir
 		setconfig initdir $initdir
 		}
 	#小米镜像化OpenWrt额外设置
-	if [ "$systype" = "mi_snapshot" ];then
+	if [ "$systype" = "mi_wifi" ];then
 		chmod 755 $clashdir/misnap_init.sh
 		uci set firewall.ShellClash=include
 		uci set firewall.ShellClash.type='script'
@@ -150,6 +156,12 @@ gettar(){
 		rm -rf $clashdir/misnap_init.sh
 		rm -rf $clashdir/clashservice
 	fi
+	#华硕USB启动额外设置
+	[ "$usb_status" = "1" ]	&& {
+		echo "$clashdir/start.sh init #ShellClash初始化脚本" > $clashdir/asus_usb_mount.sh
+		nvram set script_usbmount="$clashdir/asus_usb_mount.sh"
+		nvram commit
+	}
 	#删除临时文件
 	rm -rf /tmp/clashfm.tar.gz 
 	rm -rf $clashdir/clash.service
@@ -168,17 +180,74 @@ $echo "\033[33m输入\033[30;47m clash \033[0;33m命令即可管理！！！\033
 echo -----------------------------------------------
 }
 setdir(){
+	set_usb_dir(){
+		$echo "请选择安装目录"
+		du -hL /mnt | awk '{print " "NR" "$2"  "$1}'
+		read -p "请输入相应数字 > " num
+		dir=$(du -hL /mnt | awk '{print $2}' | sed -n "$num"p)
+		if [ -z "$dir" ];then
+			$echo "\033[31m输入错误！请重新设置！\033[0m"
+			set_usb_dir
+		fi
+	}
+echo -----------------------------------------------
 if [ -n "$systype" ];then
 	[ "$systype" = "Padavan" ] && dir=/etc/storage
-	[ "$systype" = "asusrouter" ] && dir=/jffs
-	[ "$systype" = "mi_snapshot" ] && dir=/data
+	[ "$systype" = "mi_wifi" ] && {
+		$echo "\033[33m检测到当前设备为小米官方系统，请选择安装位置\033[0m"	
+		$echo " 1 安装到/data目录(推荐，支持软固化功能)"
+		$echo " 2 安装到USB设备(支持软固化功能)"
+		[ "$(dir_avail /etc)" != 0 ] && $echo " 3 安装到/etc目录(不推荐)"
+		$echo " 0 退出安装"
+		echo -----------------------------------------------
+		read -p "请输入相应数字 > " num
+		case "$num" in 
+		1)
+			dir=/data
+			;;
+		2)
+			set_usb_dir ;;
+		3)
+			if [ "$(dir_avail /etc)" != 0 ];then
+				dir=/etc
+				systype=""
+			else
+				$echo "\033[31m你的设备不支持安装到/etc目录，已改为安装到/data\033[0m"	
+				dir=data
+			fi
+			;;
+		*)
+			exit 1 ;;
+		esac
+	}
+	[ "$systype" = "asusrouter" ] && {
+		$echo "\033[33m检测到当前设备为华硕固件，请选择安装方式\033[0m"	
+		$echo " 1 基于USB设备安装(通用，须插入\033[31m任意\033[0mUSB设备)"
+		$echo " 2 基于自启脚本安装(仅支持梅林及部分官改固件)"
+		$echo " 0 退出安装"
+		echo -----------------------------------------------
+		read -p "请输入相应数字 > " num
+		case "$num" in 
+		1)
+			read -p "将脚本安装到USB存储/系统闪存？(1/0) > " res
+			[ "$res" = "1" ] && set_usb_dir || dir=/jffs
+			usb_status=1
+			;;
+		2)
+			$echo "如无法正常开机启动，请重新使用USB方式安装！"
+			sleep 2
+			dir=/jffs ;;
+		*)
+			exit 1 ;;
+		esac
+	}
 else
-	echo -----------------------------------------------
 	$echo "\033[33m安装ShellClash至少需要预留约1MB的磁盘空间\033[0m"	
 	$echo " 1 在\033[32m/etc目录\033[0m下安装(适合root用户)"
-	$echo " 2 在\033[32m/usr/share目录\033[0m下安装(适合Linux设备)"
+	$echo " 2 在\033[32m/usr/share目录\033[0m下安装(适合Linux系统)"
 	$echo " 3 在\033[32m当前用户目录\033[0m下安装(适合非root用户)"
-	$echo " 4 手动设置安装目录"
+	$echo " 4 在\033[32m外置存储\033[0m中安装"
+	$echo " 5 手动设置安装目录"
 	$echo " 0 退出安装"
 	echo -----------------------------------------------
 	read -p "请输入相应数字 > " num
@@ -194,6 +263,8 @@ else
 		dir=~/.local/share
 		mkdir -p ~/.config/systemd/user
 	elif [ "$num" = "4" ];then
+		set_usb_dir
+	elif [ "$num" = "5" ];then
 		echo -----------------------------------------------
 		echo '可用路径 剩余空间:'
 		df -h | awk '{print $6,$4}'| sed 1d 
diff --git a/scripts/clash.sh b/scripts/clash.sh
index 5e0d09c..e4c2c4b 100644
--- a/scripts/clash.sh
+++ b/scripts/clash.sh
@@ -1630,6 +1630,8 @@ case "$1" in
 			rm -rf /tmp/clash_$USER
 			sed -Ei s/0:7890/7890:7890/g /etc/passwd
 			userdel -r shellclash 2>/dev/null
+			nvram set script_usbmount="" 2>/dev/null
+			nvram commit 2>/dev/null
 			echo -----------------------------------------------
 			echo -e "\033[36m已卸载ShellClash相关文件！有缘再会！\033[0m"
 			echo -e "\033[33m请手动关闭当前窗口以重置环境变量！\033[0m"
diff --git a/scripts/misnap_init.sh b/scripts/misnap_init.sh
index de95b16..53854e1 100644
--- a/scripts/misnap_init.sh
+++ b/scripts/misnap_init.sh
@@ -5,12 +5,10 @@ clashdir=/data/clash
 profile=/etc/profile
 
 #h初始化环境变量
-if [ `type -t clash` != "alias" ];then
-	echo "alias clash=\"$clashdir/clash.sh\"" >> $profile 
-fi
-if [ -z $clashdir ];then
-	echo "export clashdir=\"$clashdir\"" >> $profile 
-fi
+sed -i "/alias clash/d" $profile 
+sed -i "/export clashdir/d" $profile 
+echo "alias clash=\"$clashdir/clash.sh\"" >> $profile 
+echo "export clashdir=\"$clashdir\"" >> $profile 
 #设置init.d服务并启动clash服务
 ln -sf $clashdir/clashservice /etc/init.d/clash
 chmod 755 /etc/init.d/clash
diff --git a/scripts/start.sh b/scripts/start.sh
index 5f3f9d5..1d6a994 100644
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -986,21 +986,28 @@ restart)
         $0 start
         ;;
 init)
+		sleep 30
         if [ -d "/etc/storage/clash" ];then
 			clashdir=/etc/storage/clash
 			i=1
-			while [ ! -w "/etc/profile" -a "$i" -lt 60 ];do
-				sleep 1 && i=$((i+1))
+			while [ ! -w "/etc/profile" -a "$i" -lt 7 ];do
+				sleep 5 && i=$((i+1))
 			done
 			profile=/etc/profile
 			sed -i '' $profile #将软链接转化为一般文件
 		elif [ -d "/jffs/clash" ];then
 			clashdir=/jffs/clash
-			profile=/jffs/configs/profile.add
+			if [ -w /etc/profile ];then
+				profile=/etc/profile
+			else
+				profile=$(cat /etc/profile | grep -oE '\-f.*jffs.*profile' | awk '{print $2}')
+			fi
 		else
 			clashdir=$(cd $(dirname $0);pwd)
 			profile=/etc/profile
 		fi
+		sed -i "/alias clash/d" $profile 
+		sed -i "/export clashdir/d" $profile 
 		echo "alias clash=\"$clashdir/clash.sh\"" >> $profile 
 		echo "export clashdir=\"$clashdir\"" >> $profile 
 		[ -f $clashdir/.dis_startup ] && cronset "clash保守模式守护进程" || $0 start