diff --git a/scripts/init.sh b/scripts/init.sh
index 364886e..96d9b04 100644
--- a/scripts/init.sh
+++ b/scripts/init.sh
@@ -352,4 +352,7 @@ sed -i "s/redir_mod=Nft混合/redir_mod=Tproxy模式/g" $configpath
 sed -i "s/redir_mod=Tproxy混合/redir_mod=Tproxy模式/g" $configpath
 sed -i "s/redir_mod=纯净模式/firewall_area=4/g" $configpath
 
+#清理路由器空间
+[ -d /data/etc_bak ] && rm -rf /data/etc_bak
+
 echo -e "\033[32m脚本初始化完成,请输入\033[30;47m crash \033[0;33m命令开始使用！\033[0m"
diff --git a/scripts/start.sh b/scripts/start.sh
index 4c70e21..d17a267 100644
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -410,15 +410,15 @@ modify_yaml() { #修饰clash配置文件
 	}
 	#dns配置
 	[ -z "$(cat "$CRASHDIR"/yamls/user.yaml 2>/dev/null | grep '^dns:')" ] && {
-		[ "$skip_cert" = "已开启" ] && psdns_skip_cert='#skip-cert-verify'
+		default_nameserver='223.5.5.5' 
+		[ "$crashcore" = 'meta' ] && default_nameserver='https://223.5.5.5/dns-query' 
 		cat >"$TMPDIR"/dns.yaml <<EOF
 dns:
   enable: true
   listen: :$dns_port
   use-hosts: true
   ipv6: $dns_v6
-  default-nameserver: [ 223.5.5.5 ]
-  proxy-server-nameserver: [ https://223.5.5.5/dns-query$psdns_skip_cert ]
+  default-nameserver: [ $default_nameserver ]
   enhanced-mode: fake-ip
   fake-ip-range: 28.0.0.1/8
   fake-ip-range6: fc00::/16
@@ -2143,7 +2143,7 @@ webget)
 		[ "$5" = "rediroff" ] && redirect='' || redirect='-L'
 		[ "$6" = "skipceroff" ] && certificate='' || certificate='-k'
 		[ -n "$7" ] && agent="--user-agent \"$7\""
-		if curl --version | grep -q '^curl 8.' ;then
+		if curl --version | grep -q '^curl 8.' && ckcmd base64;then
 			auth_b64=$(echo -n "$authentication" | base64)
 			result=$(curl $agent -w %{http_code} --connect-timeout 3 --proxy-header "Proxy-Authorization: Basic $auth_b64" $progress $redirect $certificate -o "$2" "$url")
 		else
diff --git a/scripts/webget.sh b/scripts/webget.sh
index 63985df..13f7535 100644
--- a/scripts/webget.sh
+++ b/scripts/webget.sh
@@ -620,10 +620,10 @@ setproviders(){ #自定义providers
 		echo -e "本地配置文件请放在\033[32m$CRASHDIR\033[0m目录下，并填写相对路径如【\033[32m./providers/test.yaml\033[0m】"
 		echo -----------------------------------------------
 		read -p "请输入providers订阅地址或本地相对路径 > " link
-		link="$(echo "$link" | tr -d '[:space:]')"
+		link=$(echo $link | sed 's/ //g') #去空格
 		[ -n "$(echo $link | grep -E '.*\..*|^\./')" ] && {
 			read -p "请输入代理服务商的名称或者代号(不可重复) > " name
-			name="$(echo "$name" | tr -d '[:space:]')"
+			name=$(echo $name | sed 's/ //g')
 			[ -n "$name" ] && [ -z "$(grep "name" $CRASHDIR/configs/providers.cfg)" ] && {
 				echo -----------------------------------------------
 				echo -e "代理服务商：\033[36m$name\033[0m"