diff --git a/install.sh b/install.sh
index 65a983e..e5aa92a 100644
--- a/install.sh
+++ b/install.sh
@@ -279,6 +279,7 @@ modify_nginx_port() {
         port="$(info_extraction '\"port\"')"
     fi
     sed -i "/ssl http2;$/c \\\tlisten ${port} ssl http2;" ${nginx_conf}
+    sed -i "3c \\\tlisten [::]:${port} http2;" ${nginx_conf}
     judge "V2ray port 修改"
     [ -f ${v2ray_qr_config_file} ] && sed -i "/\"port\"/c \\  \"port\": \"${port}\"," ${v2ray_qr_config_file}
     echo -e "${OK} ${GreenBG} 端口号:${port} ${Font}"