diff --git a/README.md b/README.md
index b3ace69d..c2cb84b4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 # Linux-NetSpeed
+本脚本已不更新，推荐使用5.5以上内核自带的bbr速度最佳
+- https://roov.org/2020/03/bbr-bbrplus-bbr2/
+- 推荐使用该脚本：bash <(curl -Lso- https://git.io/kernel.sh)
 ```
 wget -N --no-check-certificate "https://raw.githubusercontent.com/chiakge/Linux-NetSpeed/master/tcp.sh"
 chmod +x tcp.sh
diff --git a/tcp.sh b/tcp.sh
index e67380e3..1107ea93 100755
--- a/tcp.sh
+++ b/tcp.sh
@@ -5,12 +5,13 @@ export PATH
 #=================================================
 #	System Required: CentOS 6/7,Debian 8/9,Ubuntu 16+
 #	Description: BBR+BBR魔改版+BBRplus+Lotserver
-#	Version: 1.3.2
+#	Version: 1.4.0
 #	Author: 千影,cx9208
-#	Blog: https://www.94ish.me/
+#	Blog: https://www.939.me/
+#   推荐使用5.5以上内核直接开启的bbr速度最佳
 #=================================================
 
-sh_ver="1.3.2"
+sh_ver="1.4.0"
 github="raw.githubusercontent.com/chiakge/Linux-NetSpeed/master"
 
 Green_font_prefix="\033[32m" && Red_font_prefix="\033[31m" && Green_background_prefix="\033[42;37m" && Red_background_prefix="\033[41;37m" && Font_color_suffix="\033[0m"
@@ -29,12 +30,12 @@ installbbr(){
 		yum install -y http://${github}/bbr/${release}/${version}/${bit}/kernel-ml-devel-${kernel_version}.rpm
 	elif [[ "${release}" == "debian" || "${release}" == "ubuntu" ]]; then
 		mkdir bbr && cd bbr
-		wget http://security.debian.org/debian-security/pool/updates/main/o/openssl/libssl1.0.0_1.0.1t-1+deb8u10_amd64.deb
+		wget http://security.debian.org/debian-security/pool/updates/main/o/openssl/libssl1.1_1.1.1d-0+deb10u2_amd64.deb
 		wget -N --no-check-certificate http://${github}/bbr/debian-ubuntu/linux-headers-${kernel_version}-all.deb
 		wget -N --no-check-certificate http://${github}/bbr/debian-ubuntu/${bit}/linux-headers-${kernel_version}.deb
 		wget -N --no-check-certificate http://${github}/bbr/debian-ubuntu/${bit}/linux-image-${kernel_version}.deb
 	
-		dpkg -i libssl1.0.0_1.0.1t-1+deb8u10_amd64.deb
+		dpkg -i libssl1.1_1.1.1d-0+deb10u2_amd64.deb
 		dpkg -i linux-headers-${kernel_version}-all.deb
 		dpkg -i linux-headers-${kernel_version}.deb
 		dpkg -i linux-image-${kernel_version}.deb
@@ -107,8 +108,13 @@ installlot(){
 #启用BBR
 startbbr(){
 	remove_all
-	echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
-	echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
+	if [[ `echo ${kernel_version} | awk -F'.' '{print $1}'` -ge "5" ]]; then
+		echo "net.core.default_qdisc=cake" >> /etc/sysctl.conf
+		echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
+	else
+		echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
+		echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
+	fi
 	sysctl -p
 	echo -e "${Info}BBR启动成功！"
 }
@@ -222,13 +228,10 @@ maxmode=\"1\"">>/appex/etc/config
 remove_all(){
 	rm -rf bbrmod
 	sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf
-    sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
-    sed -i '/fs.file-max/d' /etc/sysctl.conf
-	sed -i '/net.core.rmem_max/d' /etc/sysctl.conf
-	sed -i '/net.core.wmem_max/d' /etc/sysctl.conf
+  sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
+  sed -i '/fs.file-max/d' /etc/sysctl.conf
 	sed -i '/net.core.rmem_default/d' /etc/sysctl.conf
 	sed -i '/net.core.wmem_default/d' /etc/sysctl.conf
-	sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf
 	sed -i '/net.core.somaxconn/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf
@@ -236,7 +239,6 @@ remove_all(){
 	sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_keepalive_time/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_rmem/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_wmem/d' /etc/sysctl.conf
@@ -245,17 +247,17 @@ remove_all(){
 	sed -i '/fs.inotify.max_user_instances/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.route.gc_timeout/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_synack_retries/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_syn_retries/d' /etc/sysctl.conf
-	sed -i '/net.core.somaxconn/d' /etc/sysctl.conf
-	sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_timestamps/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_max_orphans/d' /etc/sysctl.conf
+	sed -i '/net.core.rmem_max/d' /etc/sysctl.conf
+	sed -i '/net.core.wmem_max/d' /etc/sysctl.conf
+	sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
+	sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf
+	sed -i '/net.ipv4.tcp_slow_start_after_idle/d' /etc/sysctl.conf
+	sed -i '/net.ipv4.ip_forward/d' /etc/sysctl.conf
 	if [[ -e /appex/bin/lotServer.sh ]]; then
 		bash <(wget --no-check-certificate -qO- https://github.com/MoeClub/lotServer/raw/master/Install.sh) uninstall
 	fi
@@ -268,35 +270,33 @@ remove_all(){
 optimizing_system(){
 	sed -i '/fs.file-max/d' /etc/sysctl.conf
 	sed -i '/fs.inotify.max_user_instances/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.route.gc_timeout/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_synack_retries/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_syn_retries/d' /etc/sysctl.conf
+	sed -i '/net.ipv4.tcp_rmem/d' /etc/sysctl.conf
+	sed -i '/net.ipv4.tcp_wmem/d' /etc/sysctl.conf
 	sed -i '/net.core.somaxconn/d' /etc/sysctl.conf
+	sed -i '/net.core.rmem_max/d' /etc/sysctl.conf
+	sed -i '/net.core.wmem_max/d' /etc/sysctl.conf
+	sed -i '/net.core.wmem_default/d' /etc/sysctl.conf
+	sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf
+	sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
 	sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_timestamps/d' /etc/sysctl.conf
-	sed -i '/net.ipv4.tcp_max_orphans/d' /etc/sysctl.conf
+ 	sed -i '/net.ipv4.tcp_slow_start_after_idle/d' /etc/sysctl.conf
 	sed -i '/net.ipv4.ip_forward/d' /etc/sysctl.conf
 	echo "fs.file-max = 1000000
 fs.inotify.max_user_instances = 8192
-net.ipv4.tcp_syncookies = 1
-net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_tw_reuse = 1
-net.ipv4.ip_local_port_range = 1024 65000
-net.ipv4.tcp_max_syn_backlog = 16384
-net.ipv4.tcp_max_tw_buckets = 6000
-net.ipv4.route.gc_timeout = 100
-net.ipv4.tcp_syn_retries = 1
-net.ipv4.tcp_synack_retries = 1
-net.core.somaxconn = 32768
-net.core.netdev_max_backlog = 32768
-net.ipv4.tcp_timestamps = 0
-net.ipv4.tcp_max_orphans = 32768
+net.ipv4.ip_local_port_range = 1024 65535
+net.ipv4.tcp_rmem = 16384 262144 8388608
+net.ipv4.tcp_wmem = 32768 524288 16777216
+net.core.somaxconn = 8192
+net.core.rmem_max = 16777216
+net.core.wmem_max = 16777216
+net.core.wmem_default = 2097152
+net.ipv4.tcp_max_tw_buckets = 5000
+net.ipv4.tcp_max_syn_backlog = 10240
+net.core.netdev_max_backlog = 10240
+net.ipv4.tcp_slow_start_after_idle = 0
 # forward ipv4
 net.ipv4.ip_forward = 1">>/etc/sysctl.conf
 	sysctl -p
@@ -590,7 +590,7 @@ check_sys_Lotsever(){
 	elif [[ "${release}" == "ubuntu" ]]; then
 		if [[ ${version} -ge "12" ]]; then
 			if [[ ${bit} == "x64" ]]; then
-				kernel_version="4.4.0-47"
+				kernel_version="4.8.0-36"
 				installlot
 			elif [[ ${bit} == "x32" ]]; then
 				kernel_version="3.13.0-29"
@@ -609,9 +609,9 @@ check_status(){
 	kernel_version_full=`uname -r`
 	if [[ ${kernel_version_full} = "4.14.129-bbrplus" ]]; then
 		kernel_status="BBRplus"
-	elif [[ ${kernel_version} = "3.10.0" || ${kernel_version} = "3.16.0" || ${kernel_version} = "3.2.0" || ${kernel_version} = "4.4.0" || ${kernel_version} = "3.13.0"  || ${kernel_version} = "2.6.32" || ${kernel_version} = "4.9.0" ]]; then
+	elif [[ ${kernel_version} = "3.10.0" || ${kernel_version} = "3.16.0" || ${kernel_version} = "3.2.0" || ${kernel_version} = "4.8.0" || ${kernel_version} = "3.13.0"  || ${kernel_version} = "2.6.32" || ${kernel_version} = "4.9.0" ]]; then
 		kernel_status="Lotserver"
-	elif [[ `echo ${kernel_version} | awk -F'.' '{print $1}'` == "4" ]] && [[ `echo ${kernel_version} | awk -F'.' '{print $2}'` -ge 9 ]] || [[ `echo ${kernel_version} | awk -F'.' '{print $1}'` == "5" ]]; then
+	elif [[ `echo ${kernel_version} | awk -F'.' '{print $1}'` == "4" ]] && [[ `echo ${kernel_version} | awk -F'.' '{print $2}'` -ge 9 ]] || [[ `echo ${kernel_version} | awk -F'.' '{print $1}'` -ge "5" ]]; then
 		kernel_status="BBR"
 	else 
 		kernel_status="noinstall"
@@ -629,7 +629,7 @@ check_status(){
 			run_status="未安装加速模块"
 		fi
 	elif [[ ${kernel_status} == "BBR" ]]; then
-		run_status=`grep "net.ipv4.tcp_congestion_control" /etc/sysctl.conf | awk -F "=" '{print $2}'`
+		run_status=`grep "net.ipv4.tcp_congestion_control" /etc/sysctl.conf | awk -F "=" '{gsub("^[ \t]+|[ \t]+$", "", $2);print $2}'`
 		if [[ ${run_status} == "bbr" ]]; then
 			run_status=`lsmod | grep "bbr" | awk '{print $1}'`
 			if [[ ${run_status} == "tcp_bbr" ]]; then
@@ -655,7 +655,7 @@ check_status(){
 			run_status="未安装加速模块"
 		fi
 	elif [[ ${kernel_status} == "BBRplus" ]]; then
-		run_status=`grep "net.ipv4.tcp_congestion_control" /etc/sysctl.conf | awk -F "=" '{print $2}'`
+		run_status=`grep "net.ipv4.tcp_congestion_control" /etc/sysctl.conf | awk -F "=" '{gsub("^[ \t]+|[ \t]+$", "", $2);print $2}'`
 		if [[ ${run_status} == "bbrplus" ]]; then
 			run_status=`lsmod | grep "bbrplus" | awk '{print $1}'`
 			if [[ ${run_status} == "tcp_bbrplus" ]]; then