diff --git a/install.sh b/install.sh
index addb9ec..1b17003 100644
--- a/install.sh
+++ b/install.sh
@@ -369,10 +369,10 @@ nginx_conf_add(){
     touch ${nginx_conf_dir}/v2ray.conf
     cat>${nginx_conf_dir}/v2ray.conf<<EOF
     server {
-        listen 443 ssl;
+        listen 443 ssl http2;
         ssl_certificate       /data/v2ray.crt;
         ssl_certificate_key   /data/v2ray.key;
-        ssl_protocols         TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+        ssl_protocols         TLSv1.3;
         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+CHACHA20-draft:EECDH+ECDSA+AES128:EECDH+aRSA+AES128:RSA+AES128:EECDH+ECDSA+AES256:EECDH+aRSA+AES256:RSA+AES256:EECDH+ECDSA+3DES:EECDH+aRSA+3DES:RSA+3DES:!MD5;
         server_name           serveraddr.com;
         index index.html index.htm;