diff --git a/scripts/menus/6_core_config.sh b/scripts/menus/6_core_config.sh
index 4594a909..6b2535ec 100644
--- a/scripts/menus/6_core_config.sh
+++ b/scripts/menus/6_core_config.sh
@@ -1029,164 +1029,162 @@ set_core_config_link(){ #直接导入配置
 	fi
 }
 
-#配置文件主界面
-set_core_config(){
-	[ -z "$rule_link" ] && rule_link=1
-	[ -z "$server_link" ] && server_link=1
-	echo "$crashcore" | grep -q 'singbox' && config_path="$JSONSDIR"/config.json || config_path="$YAMLSDIR"/config.yaml
-	echo "-----------------------------------------------"
-	echo -e "\033[30;47m ShellCrash配置文件管理\033[0m"
-	echo "-----------------------------------------------"
-	echo -e " 1 在线\033[32m生成配置文件\033[0m(基于Subconverter订阅转换)"
-	if [ -f "$CRASHDIR"/v2b_api.sh ];then
-		echo -e " 2 登录\033[33m获取订阅(推荐！)\033[0m"
-	else
-		echo -e " 2 在线\033[33m获取配置文件\033[0m(基于订阅提供者)"
-	fi
-	echo -e " 3 本地\033[32m生成配置文件\033[0m(基于内核providers,推荐！)"
-	echo -e " 4 本地\033[33m上传完整配置文件\033[0m"
-	echo -e " 5 设置\033[36m自动更新\033[0m"
-	echo -e " 6 \033[32m自定义\033[0m配置文件"
-	echo -e " 7 \033[33m更新\033[0m配置文件"
-	echo -e " 8 \033[36m还原\033[0m配置文件"
-	echo -e " 9 自定义浏览器UA  \033[32m$user_agent\033[0m"
-	echo "-----------------------------------------------"
-	[ "$inuserguide" = 1 ] || echo -e " 0 返回上级菜单"
-	read -p "请输入对应数字 > " num
-	case "$num" in
-	0)
-	;;
-	1)
-		if [ -n "$Url" ];then
-			echo "-----------------------------------------------"
-			echo -e "\033[33m检测到已记录的链接内容：\033[0m"
-			echo -e "\033[4;32m$Url\033[0m"
-			echo "-----------------------------------------------"
-			read -p "清空链接/追加导入？[1/0] > " res
-			if [ "$res" = '1' ]; then
-				Url_link=""
-				echo "-----------------------------------------------"
-				echo -e "\033[31m链接已清空！\033[0m"
-			else
-				Url_link=$Url
-			fi
-		fi
-		gen_core_config_link
-		set_core_config
-	;;
-	2)
-		if [ -f "$CRASHDIR"/v2b_api.sh ];then
-			. "$CRASHDIR"/v2b_api.sh
-			set_core_config
-		else
-			set_core_config_link
-		fi
-		set_core_config
-	;;
-	3)
-		if [ "$crashcore" = meta -o "$crashcore" = clashpre ];then
-			coretype=clash
-			setproviders
-		elif [ "$crashcore" = singboxr ];then
-			coretype=singbox
-			setproviders
-		else
-			echo -e "\033[33msingbox官方内核及Clash基础内核不支持此功能，请先更换内核！\033[0m"
-			sleep 1
-			checkupdate && setcore
-		fi
-		set_core_config
-	;;
-	4)
-		echo "-----------------------------------------------"
-		echo -e "\033[33m请将本地配置文件上传到/tmp目录并重命名为config.yaml或者config.json\033[0m"
-		echo -e "\033[32m之后重新运行本脚本即可自动弹出导入提示！\033[0m"
-		exit
-	;;
-	5)
-		. "$CRASHDIR"/menus/5_task.sh && task_menu
-		set_core_config
-	;;
-	6)
-		checkcfg=$(cat $CFG_PATH)
-		override
-		if [ -n "$PID" ];then
-			checkcfg_new=$(cat $CFG_PATH)
-			[ "$checkcfg" != "$checkcfg_new" ] && checkrestart
-		fi
-		set_core_config
-	;;
-	7)
-		if [ -z "$Url" -a -z "$Https" ];then
-			echo "-----------------------------------------------"
-			echo -e "\033[31m没有找到你的配置文件/订阅链接！请先输入链接！\033[0m"
-			sleep 1
-			set_core_config
-		else
-			echo "-----------------------------------------------"
-			echo -e "\033[33m当前系统记录的链接为：\033[0m"
-			echo -e "\033[4;32m$Url$Https\033[0m"
-			echo "-----------------------------------------------"
-			read -p "确认更新配置文件？[1/0] > " res
-			if [ "$res" = '1' ]; then
-				jump_core_config
-			else
-				set_core_config
-			fi
-		fi
-	;;
-	8)
-		if [ ! -f ${config_path}.bak ];then
-			echo "-----------------------------------------------"
-			echo -e "\033[31m没有找到配置文件的备份！\033[0m"
-			set_core_config
-		else
-			echo "-----------------------------------------------"
-			echo -e 备份文件共有"\033[32m`wc -l < ${config_path}.bak`\033[0m"行内容，当前文件共有"\033[32m`wc -l < ${config_path}`\033[0m"行内容
-			read -p "确认还原配置文件？此操作不可逆！[1/0] > " res
-			if [ "$res" = '1' ]; then
-				mv ${config_path}.bak ${config_path}
-				echo "----------------------------------------------"
-				echo -e "\033[32m配置文件已还原！请手动重启服务！\033[0m"
-				sleep 1
-			else
-				echo "-----------------------------------------------"
-				echo -e "\033[31m操作已取消！返回上级菜单！\033[0m"
-				set_core_config
-			fi
-		fi
-	;;
-	9)
-		echo "-----------------------------------------------"
-		echo -e "\033[36m如果6-1或者6-2无法正确获取配置文件时可以尝试使用\033[0m"
-		echo -e " 1 使用自动UA"
-		echo -e " 2 不使用UA"
-		echo -e " 3 使用自定义UA：\033[32m$user_agent\033[0m"
-		echo "-----------------------------------------------"
-		read -p "请输入对应数字 > " num
-		case "$num" in
-		0)
-			user_agent=''
-		;;
-		1)
-			user_agent='auto'
-		;;
-		2)
-			user_agent='none'
-		;;
-		3)
-			read -p "请输入自定义UA(不要包含空格和特殊符号！) > " text
-			[ -n "$text" ] && user_agent="$text"
-		;;
-		*)
-			errornum
-		;;
-		esac
-		[ "$num" -le 3 ] && setconfig user_agent "$user_agent"
-		set_core_config
-	;;
-	*)
-		errornum
-	;;
-	esac
+# 配置文件主界面
+set_core_config() {
+    while true; do
+        [ -z "$rule_link" ] && rule_link=1
+        [ -z "$server_link" ] && server_link=1
+        echo "$crashcore" | grep -q 'singbox' && config_path="$JSONSDIR"/config.json || config_path="$YAMLSDIR"/config.yaml
+        echo "-----------------------------------------------"
+        echo -e "\033[30;47m ShellCrash配置文件管理\033[0m"
+        echo "-----------------------------------------------"
+        echo -e " 1 在线\033[32m生成配置文件\033[0m(基于Subconverter订阅转换)"
+        if [ -f "$CRASHDIR"/v2b_api.sh ]; then
+            echo -e " 2 登录\033[33m获取订阅(推荐！)\033[0m"
+        else
+            echo -e " 2 在线\033[33m获取配置文件\033[0m(基于订阅提供者)"
+        fi
+        echo -e " 3 本地\033[32m生成配置文件\033[0m(基于内核providers,推荐！)"
+        echo -e " 4 本地\033[33m上传完整配置文件\033[0m"
+        echo -e " 5 设置\033[36m自动更新\033[0m"
+        echo -e " 6 \033[32m自定义\033[0m配置文件"
+        echo -e " 7 \033[33m更新\033[0m配置文件"
+        echo -e " 8 \033[36m还原\033[0m配置文件"
+        echo -e " 9 自定义浏览器UA  \033[32m$user_agent\033[0m"
+        echo "-----------------------------------------------"
+        [ "$inuserguide" = 1 ] || echo -e " 0 返回上级菜单"
+        read -p "请输入对应数字 > " num
+        case "$num" in
+        "" | 0)
+            break
+            ;;
+        1)
+            if [ -n "$Url" ]; then
+                echo "-----------------------------------------------"
+                echo -e "\033[33m检测到已记录的链接内容：\033[0m"
+                echo -e "\033[4;32m$Url\033[0m"
+                echo "-----------------------------------------------"
+                read -p "清空链接/追加导入？[1/0] > " res
+                if [ "$res" = '1' ]; then
+                    Url_link=""
+                    echo "-----------------------------------------------"
+                    echo -e "\033[31m链接已清空！\033[0m"
+                else
+                    Url_link=$Url
+                fi
+            fi
+            gen_core_config_link
+            ;;
+        2)
+            if [ -f "$CRASHDIR"/v2b_api.sh ]; then
+                . "$CRASHDIR"/v2b_api.sh
+            else
+                set_core_config_link
+            fi
+            ;;
+        3)
+            if [ "$crashcore" = meta -o "$crashcore" = clashpre ]; then
+                coretype=clash
+                setproviders
+            elif [ "$crashcore" = singboxr ]; then
+                coretype=singbox
+                setproviders
+            else
+                echo -e "\033[33msingbox官方内核及Clash基础内核不支持此功能，请先更换内核！\033[0m"
+                sleep 1
+                checkupdate && setcore
+            fi
+            ;;
+        4)
+            echo "-----------------------------------------------"
+            echo -e "\033[33m请将本地配置文件上传到/tmp目录并重命名为config.yaml或者config.json\033[0m"
+            echo -e "\033[32m之后重新运行本脚本即可自动弹出导入提示！\033[0m"
+            sleep 2
+            exit
+            ;;
+        5)
+            . "$CRASHDIR"/menus/5_task.sh && task_menu
+            break
+            ;;
+        6)
+            checkcfg=$(cat $CFG_PATH)
+            override
+            if [ -n "$PID" ]; then
+                checkcfg_new=$(cat $CFG_PATH)
+                [ "$checkcfg" != "$checkcfg_new" ] && checkrestart
+            fi
+            ;;
+        7)
+            if [ -z "$Url" -a -z "$Https" ]; then
+                echo "-----------------------------------------------"
+                echo -e "\033[31m没有找到你的配置文件/订阅链接！请先输入链接！\033[0m"
+                sleep 1
+            else
+                echo "-----------------------------------------------"
+                echo -e "\033[33m当前系统记录的链接为：\033[0m"
+                echo -e "\033[4;32m$Url$Https\033[0m"
+                echo "-----------------------------------------------"
+                read -p "确认更新配置文件？[1/0] > " res
+                if [ "$res" = '1' ]; then
+                    jump_core_config
+                    break
+                fi
+            fi
+            ;;
+        8)
+            if [ ! -f ${config_path}.bak ]; then
+                echo "-----------------------------------------------"
+                echo -e "\033[31m没有找到配置文件的备份！\033[0m"
+            else
+                echo "-----------------------------------------------"
+                echo -e 备份文件共有"\033[32m$(wc -l <${config_path}.bak)\033[0m"行内容，当前文件共有"\033[32m$(wc -l <${config_path})\033[0m"行内容
+                read -p "确认还原配置文件？此操作不可逆！[1/0] > " res
+                if [ "$res" = '1' ]; then
+                    mv ${config_path}.bak ${config_path}
+                    echo "----------------------------------------------"
+                    echo -e "\033[32m配置文件已还原！请手动重启服务！\033[0m"
+                    sleep 1
+                    break
+                else
+                    echo "-----------------------------------------------"
+                    echo -e "\033[31m操作已取消！返回上级菜单！\033[0m"
+                    sleep 1
+                fi
+            fi
+            ;;
+        9)
+            echo "-----------------------------------------------"
+            echo -e "\033[36m如果6-1或者6-2无法正确获取配置文件时可以尝试使用\033[0m"
+            echo -e " 1 使用自动UA"
+            echo -e " 2 不使用UA"
+            echo -e " 3 使用自定义UA：\033[32m$user_agent\033[0m"
+            echo "-----------------------------------------------"
+            read -p "请输入对应数字 > " num
+            case "$num" in
+            0)
+                user_agent=''
+                ;;
+            1)
+                user_agent='auto'
+                ;;
+            2)
+                user_agent='none'
+                ;;
+            3)
+                read -p "请输入自定义UA(不要包含空格和特殊符号！) > " text
+                [ -n "$text" ] && user_agent="$text"
+                ;;
+            *)
+                errornum
+                ;;
+            esac
+            [ "$num" -le 3 ] && setconfig user_agent "$user_agent"
+            ;;
+        *)
+            errornum
+            sleep 1
+            break
+            ;;
+        esac
+    done
 }