diff --git a/install.sh b/install.sh
index 855695a..fb972c3 100644
--- a/install.sh
+++ b/install.sh
@@ -140,6 +140,7 @@ modify_nginx(){
     sed -i "/location/c \\\tlocation \/${camouflage}\/" ${nginx_conf}
     sed -i "/proxy_pass/c \\\tproxy_pass http://127.0.0.1:${PORT};" ${nginx_conf}
     sed -i "/return/c \\\treturn 301 https://${domain}\$request_uri;" ${nginx_conf}
+    sed -i "/keepalive_timeout/i \\tproxy_intercept_errors on;" /etc/nginx/nginx.conf
 }
 web_camouflage(){
     ##请注意 这里和LNMP脚本的默认路径冲突，千万不要在安装了LNMP的环境下使用本脚本，否则后果自负
@@ -286,7 +287,8 @@ nginx_conf_add(){
         ssl_ciphers           HIGH:!aNULL:!MD5;
         server_name           serveraddr.com;
         index index.html index.htm;
-        root  /home/wwwroot/sCalc;    
+        root  /home/wwwroot/sCalc;
+        error_page 400 = /400.html;
         location /ray/ 
         {
         proxy_redirect off;