diff --git a/init.d/redis-server.service b/init.d/redis-server.service
index 258f5a2c..cf67b4c3 100644
--- a/init.d/redis-server.service
+++ b/init.d/redis-server.service
@@ -13,7 +13,7 @@ PermissionsStartOnly=true
 ExecStartPre=/bin/mkdir -p ${statedir}
 ExecStartPre=/bin/chown -R redis:redis ${statedir}
 ExecStart=/usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf
-ExecStop=/usr/local/redis/bin/redis-cli shutdown
+ExecStop=/bin/kill -s TERM $MAINPID
 Restart=always
 LimitNOFILE=1000000
 LimitNPROC=1000000
diff --git a/versions.txt b/versions.txt
index cb383ad9..a0ac3ad9 100644
--- a/versions.txt
+++ b/versions.txt
@@ -97,7 +97,7 @@ pecl_mongodb_ver=1.5.3
 pecl_mongo_ver=1.6.16
 
 # phpMyadmin
-phpmyadmin_ver=4.8.3
+phpmyadmin_ver=4.8.4
 phpmyadmin_oldver=4.4.15.10
 
 # jemalloc
diff --git a/vhost.sh b/vhost.sh
index 87b83515..c399ab5c 100755
--- a/vhost.sh
+++ b/vhost.sh
@@ -158,6 +158,7 @@ If you enter '.', the field will be left blank.
     echo
     read -e -p "Country Name (2 letter code) [CN]: " SELFSIGNEDSSL_C
     SELFSIGNEDSSL_C=${SELFSIGNEDSSL_C:-CN}
+    [ ${#SELFSIGNEDSSL_C} != 2 ] && { echo "${CWARNING}input error, You must input 2 letter code country name${CEND}"; continue; }
     echo
     read -e -p "State or Province Name (full name) [Shanghai]: " SELFSIGNEDSSL_ST
     SELFSIGNEDSSL_ST=${SELFSIGNEDSSL_ST:-Shanghai}
@@ -401,7 +402,7 @@ What Are You Doing?
       LISTENOPT="443 ssl spdy"
     fi
     Create_SSL
-    Nginx_conf=$(echo -e "listen 80;\n  listen ${LISTENOPT};\n  ssl_certificate ${PATH_SSL}/${domain}.crt;\n  ssl_certificate_key ${PATH_SSL}/${domain}.key;\n  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;\n  ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;\n  ssl_prefer_server_ciphers on;\n  ssl_session_timeout 10m;\n  ssl_session_cache builtin:1000 shared:SSL:10m;\n  ssl_buffer_size 1400;\n  add_header Strict-Transport-Security max-age=15768000;\n  ssl_stapling on;\n  ssl_stapling_verify on;\n")
+    Nginx_conf=$(echo -e "listen 80;\n  listen ${LISTENOPT};\n  ssl_certificate ${PATH_SSL}/${domain}.crt;\n  ssl_certificate_key ${PATH_SSL}/${domain}.key;\n  ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;\n  ssl_ciphers TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256:EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;\n  ssl_prefer_server_ciphers on;\n  ssl_session_timeout 10m;\n  ssl_session_cache builtin:1000 shared:SSL:10m;\n  ssl_buffer_size 1400;\n  add_header Strict-Transport-Security max-age=15768000;\n  ssl_stapling on;\n  ssl_stapling_verify on;\n")
     Apache_SSL=$(echo -e "SSLEngine on\n  SSLCertificateFile \"${PATH_SSL}/${domain}.crt\"\n  SSLCertificateKeyFile \"${PATH_SSL}/${domain}.key\"")
   elif [ "$apache_ssl_flag" == 'y' ]; then
     Create_SSL
@@ -643,8 +644,8 @@ EOF
       sed -i "s@^  server_name.*;@&\n  ssl_session_cache builtin:1000 shared:SSL:10m;@" ${web_install_dir}/conf/vhost/${domain}.conf
       sed -i "s@^  server_name.*;@&\n  ssl_session_timeout 10m;@" ${web_install_dir}/conf/vhost/${domain}.conf
       sed -i "s@^  server_name.*;@&\n  ssl_prefer_server_ciphers on;@" ${web_install_dir}/conf/vhost/${domain}.conf
-      sed -i "s@^  server_name.*;@&\n  ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:\!MD5;@" ${web_install_dir}/conf/vhost/${domain}.conf
-      sed -i "s@^  server_name.*;@&\n  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;@" ${web_install_dir}/conf/vhost/${domain}.conf
+      sed -i "s@^  server_name.*;@&\n  ssl_ciphers TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256:EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:\!MD5;@" ${web_install_dir}/conf/vhost/${domain}.conf
+      sed -i "s@^  server_name.*;@&\n  ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;@" ${web_install_dir}/conf/vhost/${domain}.conf
       sed -i "s@^  server_name.*;@&\n  ssl_certificate_key ${PATH_SSL}/${domain}.key;@" ${web_install_dir}/conf/vhost/${domain}.conf
       sed -i "s@^  server_name.*;@&\n  ssl_certificate ${PATH_SSL}/${domain}.crt;@" ${web_install_dir}/conf/vhost/${domain}.conf
     fi
@@ -925,6 +926,7 @@ Del_NGX_Vhost() {
             if [ -e "${web_install_dir}/conf/vhost/${domain}.conf" ]; then
               Directory=$(grep '^  root' ${web_install_dir}/conf/vhost/${domain}.conf | head -1 | awk -F'[ ;]' '{print $(NF-1)}')
               rm -f ${web_install_dir}/conf/vhost/${domain}.conf
+              [ -e "${web_install_dir}/conf/ssl/${domain}.crt" ] && rm -f ${web_install_dir}/conf/ssl/${domain}.{crt,key}
               ${web_install_dir}/sbin/nginx -s reload
               while :; do echo
                 read -e -p "Do you want to delete Virtul Host directory? [y/n]: " Del_Vhost_wwwroot_flag
@@ -973,6 +975,7 @@ Del_Apache_Vhost() {
             if [ -e "${apache_install_dir}/conf/vhost/${domain}.conf" ]; then
               Directory=$(grep '^<Directory ' ${apache_install_dir}/conf/vhost/${domain}.conf | head -1 | awk -F'"' '{print $2}')
               rm -f ${apache_install_dir}/conf/vhost/${domain}.conf
+              [ -e "${apache_install_dir}/conf/ssl/${domain}.crt" ] && rm -f ${apache_install_dir}/conf/ssl/${domain}.{crt,key}
               ${apache_install_dir}/bin/apachectl -k graceful
               while :; do echo
                 read -e -p "Do you want to delete Virtul Host directory? [y/n]: " Del_Vhost_wwwroot_flag