diff --git a/install.sh b/install.sh
index 7a60c52..3517f45 100644
--- a/install.sh
+++ b/install.sh
@@ -40,8 +40,8 @@ if [ "$test" -gt 0 ];then
 	[ "$test" -eq 2 ] && url="http://192.168.31.30:8080/clash-for-Miwifi"
 	[ "$test" -eq 3 ] && url="http://192.168.123.90:8080/clash-for-Miwifi"
 else
-	webget /tmp/clashrelease https://github.com.cnpmjs.org/juewuy/ShellClash/releases/latest echoon rediroff 2>/tmp/clashrelease
-	release_new=$( cat /tmp/clashrelease | grep -aoE "releases/tag/.*" | awk -F '[/" ]' '{print $3}')
+	webget /tmp/clashrelease $url@master/bin/release_version echoon rediroff 2>/tmp/clashrelease
+	release_new=$(cat /tmp/clashrelease | head -1)
 	[ -z "$release_new" ] && release_new=master
 	url=$url@$release_new
 fi
diff --git a/scripts/getdate.sh b/scripts/getdate.sh
index 4d38497..006c7ee 100644
--- a/scripts/getdate.sh
+++ b/scripts/getdate.sh
@@ -679,6 +679,7 @@ setserver(){
 	echo -e " 3 Github源(test版本，需开启clash服务)"
 	echo -e " 4 Gitee源(release版本，可能滞后)"
 	echo -e " 5 自定义输入(请务必确保路径正确)"
+	echo -e " 6 切换版本(仅支持切换至release分支)"
 	echo -e " 0 返回上级菜单"
 	read -p "请输入对应数字 > " num
 	if	[ -z "$num" ]; then 
@@ -700,6 +701,24 @@ setserver(){
 			echo -e "\033[31m取消输入，返回上级菜单\033[0m"
 			update
 		fi
+	elif [ "$num" = 6 ]; then
+		echo -----------------------------------------------
+		webget /tmp/clashrelease https://cdn.jsdelivr.net/gh/juewuy/ShellClash@master/bin/release_version echooff rediroff 2>/tmp/clashrelease
+		echo -e "\033[32m请选择想要更新至的版本：\033[0m"
+		cat /tmp/clashrelease | awk '{print " "NR" "$1}'
+		echo -e " 0 返回上级菜单"
+		read -p "请输入对应数字 > " num
+		if [ -z "$num" -o "$num" = 0 ]; then
+			setserver
+		elif [ $num -le $(cat /tmp/clashrelease | awk 'END{print NR}') 2>/dev/null ]; then
+			release_version=$(cat /tmp/clashrelease | awk '{print $1}' | sed -n "$num"p)
+			update_url="https://cdn.jsdelivr.net/gh/juewuy/ShellClash@$release_version"
+			echo -e "\033[32m设置成功！\033[0m" 
+		else
+			echo -----------------------------------------------
+			echo -e "\033[31m输入有误，请重新输入！\033[0m"
+		fi
+		
 	elif [ "$num" = 9 ]; then
 		update_url='http://192.168.31.30:8080/clash-for-Miwifi'
 	else
@@ -716,8 +735,8 @@ setserver(){
 checkupdate(){
 if [ -z "$release_new" ];then
 	if [ "$update_url" = "https://cdn.jsdelivr.net/gh/juewuy/ShellClash" ];then
-		webget /tmp/clashrelease https://github.com.cnpmjs.org/juewuy/ShellClash/releases/latest echoon rediroff 2>/tmp/clashrelease
-		release_new=$( cat /tmp/clashrelease | grep -aoE "releases/tag/.*" | awk -F '[/" ]' '{print $3}')
+		webget /tmp/clashrelease $update_url@master/bin/release_version echoon rediroff 2>/tmp/clashrelease
+		release_new=$(cat /tmp/clashrelease | head -1)
 		[ -z "$release_new" ] && release_new=master
 		update_url=$update_url@$release_new
 	fi
diff --git a/scripts/start.sh b/scripts/start.sh
index d72cdf3..c9cc6c9 100644
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -35,6 +35,13 @@ setconfig(){
 	sed -i "/${1}*/"d $configpath
 	echo "${1}=${2}" >> $configpath
 }
+compare(){
+	if command -v cmp >/dev/null 2>&1; then
+		cmp -s $1 $2
+	else
+		[ "$(cat $1)" = "$(cat $2)" ] && return 0 || return 1
+	fi
+}
 webget(){
 	[ -n "$(pidof clash)" ] && export all_proxy="http://$authentication@127.0.0.1:$mix_port" #设置临时http代理
 	#参数【$1】代表下载目录，【$2】代表在线地址
@@ -169,7 +176,7 @@ EOF`
 		fi
 		#如果不同则备份并替换文件
 		if [ -f $yaml ];then
-			cmp -s $yamlnew $yaml 2>/dev/null
+			compare $yamlnew $yaml
 			[ "$?" = 0 ] && rm -f $yamlnew || mv -f $yaml $yaml.bak && mv -f $yamlnew $yaml
 		else
 			mv -f $yamlnew $yaml
@@ -243,12 +250,15 @@ EOF
 	#插入自定义规则
 	if [ -f $clashdir/rules.yaml ];then
 		while read line;do
-			[ -z "$(echo "$line" | grep '#')" ] && [ -n "$(echo "$line" | grep '\-\ ')" ] && sed -i "/^rules:/a\ $line" $tmpdir/config.yaml
+			[ -z "$(echo "$line" | grep '#')" ] && \
+			[ -n "$(echo "$line" | grep '\-\ ')" ] && \
+			sed -i "/$line/d" $tmpdir/config.yaml && \
+			sed -i "/^rules:/a\ $line" $tmpdir/config.yaml
 		done < $clashdir/rules.yaml
 	fi
 	#如果没有使用小闪存模式
 	if [ "$tmpdir" != "$bindir" ];then
-		cmp -s $tmpdir/config.yaml $yaml 2>/dev/null
+		compare $tmpdir/config.yaml $yaml
 		[ "$?" != 0 ] && mv -f $tmpdir/config.yaml $yaml || rm -f $tmpdir/config.yaml
 	fi
 	rm -f $tmpdir/set.yaml
@@ -413,8 +423,8 @@ web_save(){
 	}
 	#使用get_save获取面板节点设置
 	get_save http://localhost:${db_port}/proxies | awk -F "{" '{for(i=1;i<=NF;i++) print $i}' | grep -E '^"all".*"Selector"' | grep -oE '"name".*"now".*",' | sed 's/"name"://g' | sed 's/"now"://g'| sed 's/"//g' > /tmp/clash_web_save_$USER
-	#对比文件，如果有变动则写入磁盘，否则清除缓存
-	cmp -s /tmp/clash_web_save_$USER $clashdir/web_save 2>/dev/null
+	#对比文件，如果有变动且不为空则写入磁盘，否则清除缓存
+	[ ! -s /tmp/clash_web_save_$USER ] && compare /tmp/clash_web_save_$USER $clashdir/web_save
 	[ "$?" = 0 ] && rm -rf /tmp/clash_web_save_$USER || mv -f /tmp/clash_web_save_$USER $clashdir/web_save
 }
 web_restore(){
@@ -445,7 +455,6 @@ web_restore(){
 		now_name=$(awk -F ',' 'NR=="'${i}'" {print $2}' $clashdir/web_save)
 		put_save http://localhost:${db_port}/proxies/${group_name} "{\"name\":\"${now_name}\"}"
 	done
-	exit 0
 }
 #启动相关
 catpac(){
@@ -469,7 +478,7 @@ function FindProxyForURL(url, host) {
 		return "SOCKS5 $host:$mix_port; PROXY $host:$mix_port; DIRECT;"
 }
 EOF
-	cmp -s /tmp/clash_pac $bindir/ui/pac 2>/dev/null
+	compare /tmp/clash_pac $bindir/ui/pac
 	[ "$?" = 0 ] && rm -rf /tmp/clash_pac || mv -f /tmp/clash_pac $bindir/ui/pac
 }
 bfstart(){