diff --git a/e8820s.config b/e8820s.config
deleted file mode 100644
index b5103e1..0000000
--- a/e8820s.config
+++ /dev/null
@@ -1,394 +0,0 @@
-CONFIG_TARGET_ramips=y
-CONFIG_TARGET_ramips_mt7621=y
-CONFIG_TARGET_ramips_mt7621_DEVICE_zte_e8820s=y
-CONFIG_ARIA2_BITTORRENT=y
-CONFIG_ARIA2_NOXML=y
-CONFIG_ARIA2_OPENSSL=y
-CONFIG_ARIA2_WEBSOCKET=y
-CONFIG_GNUTLS_ALPN=y
-CONFIG_GNUTLS_ANON=y
-CONFIG_GNUTLS_DTLS_SRTP=y
-CONFIG_GNUTLS_HEARTBEAT=y
-CONFIG_GNUTLS_OCSP=y
-CONFIG_GNUTLS_PSK=y
-CONFIG_KSMBD_SMB_INSECURE_SERVER=y
-CONFIG_LIBCURL_COOKIES=y
-CONFIG_LIBCURL_FILE=y
-CONFIG_LIBCURL_FTP=y
-CONFIG_LIBCURL_HTTP=y
-CONFIG_LIBCURL_MBEDTLS=y
-CONFIG_LIBCURL_NO_SMB="!"
-CONFIG_LIBCURL_PROXY=y
-CONFIG_LIBSODIUM_MINIMAL=y
-CONFIG_LUCI_LANG_en=y
-CONFIG_NGINX_HEADERS_MORE=y
-CONFIG_NGINX_HTTP_ACCESS=y
-CONFIG_NGINX_HTTP_AUTH_BASIC=y
-CONFIG_NGINX_HTTP_AUTOINDEX=y
-CONFIG_NGINX_HTTP_BROWSER=y
-CONFIG_NGINX_HTTP_CACHE=y
-CONFIG_NGINX_HTTP_CHARSET=y
-CONFIG_NGINX_HTTP_EMPTY_GIF=y
-CONFIG_NGINX_HTTP_FASTCGI=y
-CONFIG_NGINX_HTTP_GEO=y
-CONFIG_NGINX_HTTP_GZIP=y
-CONFIG_NGINX_HTTP_LIMIT_CONN=y
-CONFIG_NGINX_HTTP_LIMIT_REQ=y
-CONFIG_NGINX_HTTP_MAP=y
-CONFIG_NGINX_HTTP_MEMCACHED=y
-CONFIG_NGINX_HTTP_PROXY=y
-CONFIG_NGINX_HTTP_REFERER=y
-CONFIG_NGINX_HTTP_REWRITE=y
-CONFIG_NGINX_HTTP_SCGI=y
-CONFIG_NGINX_HTTP_SPLIT_CLIENTS=y
-CONFIG_NGINX_HTTP_SSI=y
-CONFIG_NGINX_HTTP_UPSTREAM_HASH=y
-CONFIG_NGINX_HTTP_UPSTREAM_IP_HASH=y
-CONFIG_NGINX_HTTP_UPSTREAM_KEEPALIVE=y
-CONFIG_NGINX_HTTP_UPSTREAM_LEAST_CONN=y
-CONFIG_NGINX_HTTP_USERID=y
-CONFIG_NGINX_HTTP_UWSGI=y
-CONFIG_NGINX_HTTP_V2=y
-CONFIG_NGINX_NAXSI=y
-CONFIG_NGINX_PCRE=y
-CONFIG_NGINX_UBUS=y
-CONFIG_NODEJS_ICU_NONE=y
-CONFIG_OPENSSL_WITH_COMPRESSION=y
-CONFIG_OPENSSL_WITH_DTLS=y
-CONFIG_OPENSSL_WITH_EC2M=y
-CONFIG_OPENSSL_WITH_NPN=y
-CONFIG_PACKAGE_6in4=y
-CONFIG_PACKAGE_NTFS-3G_HAS_PROBE=y
-CONFIG_PACKAGE_UnblockNeteaseMusic=y
-CONFIG_PACKAGE_UnblockNeteaseMusicGo=y
-CONFIG_PACKAGE_adbyby=y
-CONFIG_PACKAGE_alsa-lib=y
-CONFIG_PACKAGE_alsa-utils=y
-CONFIG_PACKAGE_aria2=y
-CONFIG_PACKAGE_ariang=y
-CONFIG_PACKAGE_attr=y
-CONFIG_PACKAGE_avahi-dbus-daemon=y
-CONFIG_PACKAGE_baidupcs-web=y
-CONFIG_PACKAGE_bash=y
-CONFIG_PACKAGE_blkid=y
-CONFIG_PACKAGE_boost=y
-CONFIG_PACKAGE_boost-date_time=y
-CONFIG_PACKAGE_boost-program_options=y
-CONFIG_PACKAGE_boost-system=y
-CONFIG_PACKAGE_btrfs-progs=y
-CONFIG_PACKAGE_bzip2=y
-CONFIG_PACKAGE_ca-bundle=y
-CONFIG_PACKAGE_coreutils-nohup=y
-CONFIG_PACKAGE_curl=y
-CONFIG_PACKAGE_dbus=y
-CONFIG_PACKAGE_drill=y
-CONFIG_PACKAGE_e2fsprogs=y
-CONFIG_PACKAGE_haproxy=y
-CONFIG_PACKAGE_hd-idle=y
-CONFIG_PACKAGE_htop=y
-CONFIG_PACKAGE_ip6tables=y
-CONFIG_PACKAGE_iperf3=y
-CONFIG_PACKAGE_ipt2socks=y
-CONFIG_PACKAGE_iptables-mod-conntrack-extra=y
-CONFIG_PACKAGE_iptables-mod-extra=y
-CONFIG_PACKAGE_iptables-mod-ipopt=y
-CONFIG_PACKAGE_iputils-arping=y
-CONFIG_PACKAGE_ipv6helper=y
-CONFIG_PACKAGE_iwinfo=y
-CONFIG_PACKAGE_kcptun-client=y
-CONFIG_PACKAGE_kmod-crypto-acompress=y
-CONFIG_PACKAGE_kmod-crypto-ccm=y
-CONFIG_PACKAGE_kmod-crypto-cmac=y
-CONFIG_PACKAGE_kmod-crypto-crc32c=y
-CONFIG_PACKAGE_kmod-crypto-ctr=y
-CONFIG_PACKAGE_kmod-crypto-des=y
-CONFIG_PACKAGE_kmod-crypto-gcm=y
-CONFIG_PACKAGE_kmod-crypto-gf128=y
-CONFIG_PACKAGE_kmod-crypto-ghash=y
-CONFIG_PACKAGE_kmod-crypto-hmac=y
-CONFIG_PACKAGE_kmod-crypto-md4=y
-CONFIG_PACKAGE_kmod-crypto-md5=y
-CONFIG_PACKAGE_kmod-crypto-rng=y
-CONFIG_PACKAGE_kmod-crypto-seqiv=y
-CONFIG_PACKAGE_kmod-crypto-sha256=y
-CONFIG_PACKAGE_kmod-crypto-sha512=y
-CONFIG_PACKAGE_kmod-crypto-wq=y
-CONFIG_PACKAGE_kmod-fs-btrfs=y
-CONFIG_PACKAGE_kmod-fs-exfat=y
-CONFIG_PACKAGE_kmod-fs-ext4=y
-CONFIG_PACKAGE_kmod-fs-ksmbd=y
-CONFIG_PACKAGE_kmod-fs-vfat=y
-CONFIG_PACKAGE_kmod-fuse=y
-CONFIG_PACKAGE_kmod-ifb=y
-CONFIG_PACKAGE_kmod-input-core=y
-CONFIG_PACKAGE_kmod-ipt-conntrack-extra=y
-CONFIG_PACKAGE_kmod-ipt-extra=y
-CONFIG_PACKAGE_kmod-ipt-ipopt=y
-CONFIG_PACKAGE_kmod-ipt-nat6=y
-CONFIG_PACKAGE_kmod-iptunnel=y
-CONFIG_PACKAGE_kmod-iptunnel4=y
-CONFIG_PACKAGE_kmod-lib-crc16=y
-CONFIG_PACKAGE_kmod-lib-crc32c=y
-CONFIG_PACKAGE_kmod-lib-lz4=y
-CONFIG_PACKAGE_kmod-lib-lzo=y
-CONFIG_PACKAGE_kmod-lib-raid6=y
-CONFIG_PACKAGE_kmod-lib-xor=y
-CONFIG_PACKAGE_kmod-lib-zlib-deflate=y
-CONFIG_PACKAGE_kmod-lib-zlib-inflate=y
-CONFIG_PACKAGE_kmod-lib-zstd=y
-CONFIG_PACKAGE_kmod-mii=y
-CONFIG_PACKAGE_kmod-natflow=y
-CONFIG_PACKAGE_kmod-nf-nat6=y
-CONFIG_PACKAGE_kmod-nls-cp437=y
-CONFIG_PACKAGE_kmod-nls-cp936=y
-CONFIG_PACKAGE_kmod-nls-iso8859-1=y
-CONFIG_PACKAGE_kmod-nls-utf8=y
-CONFIG_PACKAGE_kmod-sched-connmark=y
-CONFIG_PACKAGE_kmod-sched-core=y
-CONFIG_PACKAGE_kmod-scsi-core=y
-CONFIG_PACKAGE_kmod-sit=y
-CONFIG_PACKAGE_kmod-sound-core=y
-CONFIG_PACKAGE_kmod-tun=y
-CONFIG_PACKAGE_kmod-usb-ehci=y
-CONFIG_PACKAGE_kmod-usb-net=y
-CONFIG_PACKAGE_kmod-usb-printer=y
-CONFIG_PACKAGE_kmod-usb-storage=y
-CONFIG_PACKAGE_kmod-usb-storage-extras=y
-CONFIG_PACKAGE_kmod-usb-uhci=y
-CONFIG_PACKAGE_kmod-usb2=y
-# CONFIG_PACKAGE_kmod-usb3 is not set
-CONFIG_PACKAGE_kmod-zram=y
-CONFIG_PACKAGE_ksmbd-server=y
-CONFIG_PACKAGE_libao=y
-CONFIG_PACKAGE_libatomic=y
-CONFIG_PACKAGE_libattr=y
-CONFIG_PACKAGE_libavahi-client=y
-CONFIG_PACKAGE_libavahi-compat-libdnssd=y
-CONFIG_PACKAGE_libavahi-dbus-support=y
-CONFIG_PACKAGE_libblkid=y
-CONFIG_PACKAGE_libbz2=y
-CONFIG_PACKAGE_libcap=y
-CONFIG_PACKAGE_libcap-bin=y
-CONFIG_PACKAGE_libcap-bin-capsh-shell="/bin/sh"
-CONFIG_PACKAGE_libcares=y
-CONFIG_PACKAGE_libcomerr=y
-CONFIG_PACKAGE_libconfig=y
-CONFIG_PACKAGE_libcurl=y
-CONFIG_PACKAGE_libdaemon=y
-CONFIG_PACKAGE_libdb47=y
-CONFIG_PACKAGE_libdbus=y
-CONFIG_PACKAGE_libev=y
-CONFIG_PACKAGE_libexif=y
-CONFIG_PACKAGE_libexpat=y
-CONFIG_PACKAGE_libext2fs=y
-CONFIG_PACKAGE_libffmpeg-audio-dec=y
-CONFIG_PACKAGE_libflac=y
-CONFIG_PACKAGE_libfreetype=y
-CONFIG_PACKAGE_libgd-full=y
-CONFIG_PACKAGE_libgmp=y
-CONFIG_PACKAGE_libgnutls=y
-CONFIG_PACKAGE_libhttp-parser=y
-CONFIG_PACKAGE_libid3tag=y
-CONFIG_PACKAGE_libjpeg-turbo=y
-CONFIG_PACKAGE_libldns=y
-CONFIG_PACKAGE_libltdl=y
-CONFIG_PACKAGE_liblua5.3=y
-CONFIG_PACKAGE_liblzo=y
-CONFIG_PACKAGE_libmaxminddb=y
-CONFIG_PACKAGE_libmbedtls=y
-CONFIG_PACKAGE_libminiupnpc=y
-CONFIG_PACKAGE_libmount=y
-CONFIG_PACKAGE_libnatpmp=y
-CONFIG_PACKAGE_libncurses=y
-CONFIG_PACKAGE_libnetfilter-conntrack=y
-CONFIG_PACKAGE_libnettle=y
-CONFIG_PACKAGE_libnfnetlink=y
-CONFIG_PACKAGE_libnghttp2=y
-CONFIG_PACKAGE_libnl-core=y
-CONFIG_PACKAGE_libnl-genl=y
-CONFIG_PACKAGE_libogg=y
-CONFIG_PACKAGE_libpam=y
-CONFIG_PACKAGE_libpcre2=y
-CONFIG_PACKAGE_libpng=y
-CONFIG_PACKAGE_libpopt=y
-CONFIG_PACKAGE_libreadline=y
-CONFIG_PACKAGE_libruby=y
-CONFIG_PACKAGE_libsmartcols=y
-CONFIG_PACKAGE_libsodium=y
-CONFIG_PACKAGE_libsoxr=y
-CONFIG_PACKAGE_libsqlite3=y
-CONFIG_PACKAGE_libss=y
-CONFIG_PACKAGE_libstdcpp=y
-CONFIG_PACKAGE_libsysfs=y
-CONFIG_PACKAGE_libtasn1=y
-CONFIG_PACKAGE_libtiff=y
-CONFIG_PACKAGE_libtirpc=y
-CONFIG_PACKAGE_libusb-1.0=y
-CONFIG_PACKAGE_libuv=y
-CONFIG_PACKAGE_libvorbis=y
-CONFIG_PACKAGE_libwebp=y
-CONFIG_PACKAGE_libwebsockets-full=y
-CONFIG_PACKAGE_libxml2=y
-CONFIG_PACKAGE_libyaml=y
-CONFIG_PACKAGE_libzip-gnutls=y
-CONFIG_PACKAGE_lsblk=y
-CONFIG_PACKAGE_lua-cjson=y
-CONFIG_PACKAGE_lua-maxminddb=y
-CONFIG_PACKAGE_luasocket=y
-CONFIG_PACKAGE_luci-app-adbyby-plus=y
-CONFIG_PACKAGE_luci-app-adguardhome=y
-CONFIG_PACKAGE_luci-app-airplay2=y
-CONFIG_PACKAGE_luci-app-aria2=y
-CONFIG_PACKAGE_luci-app-baidupcs-web=y
-CONFIG_PACKAGE_luci-app-diskman=y
-CONFIG_PACKAGE_luci-app-dnsfilter=y
-CONFIG_PACKAGE_luci-app-familycloud=y
-CONFIG_PACKAGE_luci-app-guest-wifi=y
-CONFIG_PACKAGE_luci-app-hd-idle=y
-CONFIG_PACKAGE_luci-app-jd-dailybonus=y
-CONFIG_PACKAGE_luci-app-kodexplorer=y
-CONFIG_PACKAGE_luci-app-minidlna=y
-CONFIG_PACKAGE_luci-app-mwan3=y
-CONFIG_PACKAGE_luci-app-mwan3helper=y
-CONFIG_PACKAGE_luci-app-netdata=y
-CONFIG_PACKAGE_luci-app-openclash=y
-CONFIG_PACKAGE_luci-app-passwall=y
-CONFIG_PACKAGE_luci-app-qos=y
-CONFIG_PACKAGE_luci-app-samba4=y
-CONFIG_PACKAGE_luci-app-serverchan=y
-CONFIG_PACKAGE_luci-app-shairplay=y
-CONFIG_PACKAGE_luci-app-ssr-plus_INCLUDE_ShadowsocksR_Server=y
-CONFIG_PACKAGE_luci-app-ssr-plus_INCLUDE_Trojan=y
-CONFIG_PACKAGE_luci-app-syncdial=y
-CONFIG_PACKAGE_luci-app-ttyd=y
-CONFIG_PACKAGE_luci-app-usb-printer=y
-CONFIG_PACKAGE_luci-app-uugamebooster=y
-CONFIG_PACKAGE_luci-app-watchcat=y
-CONFIG_PACKAGE_luci-app-wifischedule=y
-CONFIG_PACKAGE_luci-app-wrtbwmon=y
-CONFIG_PACKAGE_luci-app-xlnetacc=y
-CONFIG_PACKAGE_luci-app-zerotier=y
-CONFIG_PACKAGE_luci-i18n-adbyby-plus-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-adguardhome-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-airplay2-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-aria2-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-base-en=y
-CONFIG_PACKAGE_luci-i18n-ddns-en=y
-CONFIG_PACKAGE_luci-i18n-firewall-en=y
-CONFIG_PACKAGE_luci-i18n-guest-wifi-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-hd-idle-en=y
-CONFIG_PACKAGE_luci-i18n-hd-idle-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-kodexplorer-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-minidlna-en=y
-CONFIG_PACKAGE_luci-i18n-minidlna-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-mwan3-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-mwan3helper-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-netdata-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-qos-en=y
-CONFIG_PACKAGE_luci-i18n-qos-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-samba4-en=y
-CONFIG_PACKAGE_luci-i18n-samba4-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-ttyd-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-upnp-en=y
-CONFIG_PACKAGE_luci-i18n-usb-printer-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-uugamebooster-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-watchcat-en=y
-CONFIG_PACKAGE_luci-i18n-watchcat-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-wifischedule-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-wol-en=y
-CONFIG_PACKAGE_luci-i18n-wrtbwmon-zh-cn=y
-CONFIG_PACKAGE_luci-i18n-zerotier-zh-cn=y
-CONFIG_PACKAGE_luci-proto-ipv6=y
-CONFIG_PACKAGE_luci-theme-argon=y
-CONFIG_PACKAGE_luci-theme-freifunk-generic=y
-CONFIG_PACKAGE_luci-theme-material=y
-CONFIG_PACKAGE_minidlna=y
-CONFIG_PACKAGE_mwan3=y
-CONFIG_PACKAGE_natflow-boot=y
-CONFIG_PACKAGE_netdata=y
-CONFIG_PACKAGE_nginx-ssl=y
-CONFIG_PACKAGE_nginx-ssl-util=y
-CONFIG_PACKAGE_nginx-util=y
-CONFIG_PACKAGE_node=y
-CONFIG_PACKAGE_ntfs-3g=y
-CONFIG_PACKAGE_odhcp6c=y
-CONFIG_PACKAGE_odhcp6c_ext_cer_id=0
-CONFIG_PACKAGE_odhcpd-ipv6only=y
-CONFIG_PACKAGE_odhcpd_ipv6only_ext_cer_id=0
-CONFIG_PACKAGE_oniguruma=y
-CONFIG_PACKAGE_openssh-sftp-server=y
-CONFIG_PACKAGE_p910nd=y
-CONFIG_PACKAGE_parted=y
-CONFIG_PACKAGE_php7=y
-CONFIG_PACKAGE_php7-cgi=y
-CONFIG_PACKAGE_php7-fastcgi=y
-CONFIG_PACKAGE_php7-fpm=y
-CONFIG_PACKAGE_php7-mod-curl=y
-CONFIG_PACKAGE_php7-mod-dom=y
-CONFIG_PACKAGE_php7-mod-gd=y
-CONFIG_PACKAGE_php7-mod-iconv=y
-CONFIG_PACKAGE_php7-mod-json=y
-CONFIG_PACKAGE_php7-mod-mbstring=y
-CONFIG_PACKAGE_php7-mod-mysqlnd=y
-CONFIG_PACKAGE_php7-mod-opcache=y
-CONFIG_PACKAGE_php7-mod-pdo=y
-CONFIG_PACKAGE_php7-mod-pdo-mysql=y
-CONFIG_PACKAGE_php7-mod-pdo-sqlite=y
-CONFIG_PACKAGE_php7-mod-session=y
-CONFIG_PACKAGE_php7-mod-sqlite3=y
-CONFIG_PACKAGE_php7-mod-zip=y
-CONFIG_PACKAGE_qos-scripts=y
-CONFIG_PACKAGE_ruby=y
-CONFIG_PACKAGE_ruby-bigdecimal=y
-CONFIG_PACKAGE_ruby-date=y
-CONFIG_PACKAGE_ruby-dbm=y
-CONFIG_PACKAGE_ruby-digest=y
-CONFIG_PACKAGE_ruby-enc=y
-CONFIG_PACKAGE_ruby-pstore=y
-CONFIG_PACKAGE_ruby-psych=y
-CONFIG_PACKAGE_ruby-stringio=y
-CONFIG_PACKAGE_ruby-strscan=y
-CONFIG_PACKAGE_ruby-yaml=y
-CONFIG_PACKAGE_samba4-libs=y
-CONFIG_PACKAGE_samba4-server=y
-CONFIG_PACKAGE_shadowsocks-libev-ss-local=y
-CONFIG_PACKAGE_shadowsocks-libev-ss-redir=y
-CONFIG_PACKAGE_shadowsocks-libev-ss-server=y
-CONFIG_PACKAGE_shadowsocksr-libev-server=y
-CONFIG_PACKAGE_shairplay=y
-CONFIG_PACKAGE_shairport-sync-openssl=y
-CONFIG_PACKAGE_smartmontools=y
-CONFIG_PACKAGE_swap-utils=y
-CONFIG_PACKAGE_tc=y
-CONFIG_PACKAGE_terminfo=y
-CONFIG_PACKAGE_trojan=y
-CONFIG_PACKAGE_trojan-plus=y
-CONFIG_PACKAGE_ttyd=y
-CONFIG_PACKAGE_uclibcxx=y
-CONFIG_PACKAGE_unzip=y
-CONFIG_PACKAGE_uugamebooster=y
-CONFIG_PACKAGE_vim=y
-CONFIG_PACKAGE_watchcat=y
-CONFIG_PACKAGE_wifischedule=y
-CONFIG_PACKAGE_wsdd2=y
-CONFIG_PACKAGE_zerotier=y
-CONFIG_PACKAGE_zoneinfo-asia=y
-CONFIG_PACKAGE_zoneinfo-core=y
-CONFIG_PACKAGE_zram-swap=y
-CONFIG_PHP7_LIBXML=y
-CONFIG_PHP7_SYSTEMTZDATA=y
-CONFIG_SAMBA4_SERVER_AVAHI=y
-CONFIG_SAMBA4_SERVER_NETBIOS=y
-CONFIG_SAMBA4_SERVER_VFS=y
-CONFIG_SQLITE3_DYNAMIC_EXTENSIONS=y
-CONFIG_SQLITE3_FTS3=y
-CONFIG_SQLITE3_FTS4=y
-CONFIG_SQLITE3_FTS5=y
-CONFIG_SQLITE3_JSON1=y
-CONFIG_SQLITE3_RTREE=y
-CONFIG_UnblockNeteaseMusic_Go=y
-CONFIG_UnblockNeteaseMusic_NodeJS=y
-CONFIG_boost-compile-visibility-hidden=y
-CONFIG_boost-runtime-shared=y
-CONFIG_boost-static-and-shared-libs=y
-CONFIG_boost-variant-release=y