diff --git a/web/app/upgrade/14_sync_from_uoj.ac/upgrade.php b/web/app/upgrade/14_sync_from_uoj.ac/upgrade.php
index 7d6b968..836c9ae 100644
--- a/web/app/upgrade/14_sync_from_uoj.ac/upgrade.php
+++ b/web/app/upgrade/14_sync_from_uoj.ac/upgrade.php
@@ -15,7 +15,7 @@ return function (string $type) {
 			$extra['social']['codeforces'] = $user['codeforces_handle'];
 			$extra['social']['github'] = $user['github'];
 			$extra['social']['website'] = $user['website'];
-			$extra['image_hosting']['total_size_limit'] = $user['images_size_limit'];
+			$extra['image_hosting']['total_size_limit'] = (int)$user['images_size_limit'];
 
 			DB::update([
 				"update user_info",
diff --git a/web/install.sh b/web/install.sh
index cb1c7f5..4f773f9 100644
--- a/web/install.sh
+++ b/web/install.sh
@@ -66,7 +66,7 @@ setWebConf(){
 \$config['database']['host']='$_database_host_';
 \$config['database']['password']='$_database_password_';
 \$config['judger']['socket']['port']='$_judger_socket_port_';
-file_put_contents('/var/www/uoj/app/.config.php', "<?php\nreturn ".str_replace('\'_httpHost_\'','UOJContext::httpHost()',var_export(\$config, true)).";\n");
+file_put_contents('/var/www/uoj/app/.config.php', "<?php\nreturn ".str_replace('\'_httpHost_\'','UOJContext::requestDomain()',var_export(\$config, true)).";\n");
 UOJEOF
     # Prepare local sandbox
     cd /opt/uoj/judger/uoj_judger