diff --git a/.config.php b/.config.php
new file mode 100644
index 0000000..74a55c9
--- /dev/null
+++ b/.config.php
@@ -0,0 +1,45 @@
+<?php
+return [
+	'profile' => [
+		'oj-name' => '石家庄二中信息学在线评测系统',
+		'oj-name-short' => 'S2OJ',
+		'administrator' => 'root',
+		'admin-email' => 'admin@sjzezoj.com',
+		'QQ-group' => '',
+		'ICP-license' => '冀ICP备2020028886号',
+	],
+	'database' => [
+		'database' => 'app_uoj233',
+		'username' => 'root',
+		'password' => 'root',
+		'host' => 'uoj-db',
+		'port' => '3306',
+	],
+	'security' => [
+		'user' => [
+			'client_salt' => 'salt_0',
+		],
+		'cookie' => [
+			'checksum_salt' => ['salt_1', 'salt_2', 'salt_3'],
+		],
+	],
+	'mail' => [
+		'noreply' => [
+			'username' => 'noreply@local_uoj.ac',
+			'password' => '_mail_noreply_password_',
+			'host' => 'smtp.local_uoj.ac',
+			'secure' => 'tls',
+			'port' => 587,
+		]
+	],
+	'judger' => [
+		'socket' => [
+			'port' => '2333',
+			'password' => '_judger_socket_password_'
+		],
+	],
+	'switch' => [
+		'blog-domain-mode' => 3,
+		'open-register' => false,
+	],
+];
diff --git a/.gitignore b/.gitignore
index 8264c45..563fc5c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ uoj_data_1/
 uoj_data_2/
 .php-cs-fixer.cache
 docker-compose.local.yml
+.config.php
diff --git a/docker-compose.development.yml b/docker-compose.development.yml
index 90fb54b..37c4444 100644
--- a/docker-compose.development.yml
+++ b/docker-compose.development.yml
@@ -60,15 +60,6 @@ services:
     volumes:
       - ./uoj_data/web/data:/var/uoj_data
       - ./uoj_data/web/storage:/opt/uoj/web/app/storage
+      - ./.config.php:/opt/uoj/web/app/.config.php
     ports:
       - "80:80"
-    environment:
-      - UOJ_PROTOCOL=http
-      - DATABASE_HOST=uoj-db
-      - DATABASE_PASSWORD=root
-      - JUDGER_SOCKET_PORT=2333
-      - JUDGER_SOCKET_PASSWORD=_judger_socket_password_
-      - SALT_0=salt_0
-      - SALT_1=salt_1
-      - SALT_2=salt_2
-      - SALT_3=salt_3
diff --git a/docker-compose.yml b/docker-compose.yml
index f96fde1..1da0339 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -43,15 +43,6 @@ services:
     volumes:
       - ./uoj_data/web/data:/var/uoj_data
       - ./uoj_data/web/storage:/opt/uoj/web/app/storage
+      - ./.config.php:/opt/uoj/web/app/.config.php
     ports:
       - "80:80"
-    environment:
-      - UOJ_PROTOCOL=https
-      - DATABASE_HOST=uoj-db
-      - DATABASE_PASSWORD=root
-      - JUDGER_SOCKET_PORT=2333
-      - JUDGER_SOCKET_PASSWORD=_judger_socket_password_
-      - SALT_0=salt_0
-      - SALT_1=salt_1
-      - SALT_2=salt_2
-      - SALT_3=salt_3
diff --git a/web/app/.default-config.php b/web/app/.default-config.php
index dc84dbf..fab8e0e 100644
--- a/web/app/.default-config.php
+++ b/web/app/.default-config.php
@@ -20,21 +20,21 @@ return [
 		'domain' => null,
 		'main' => [
 			'protocol' => 'http',
-			'host' => '_httpHost_',
-			'port' => '80/443'
+			'host' => UOJContext::requestDomain(),
+			'port' => '80/443',
 		],
 		'blog' => [
 			'protocol' => 'http',
-			'host' => '_httpHost_',
-			'port' => '80/443'
+			'host' => UOJContext::requestDomain(),
+			'port' => '80/443',
 		]
 	],
 	'security' => [
 		'user' => [
-			'client_salt' => 'salt0'
+			'client_salt' => 'salt0',
 		],
 		'cookie' => [
-			'checksum_salt' => ['salt1', 'salt2', 'salt3']
+			'checksum_salt' => ['salt1', 'salt2', 'salt3'],
 		],
 	],
 	'mail' => [
@@ -43,17 +43,17 @@ return [
 			'password' => '_mail_noreply_password_',
 			'host' => 'smtp.local_uoj.ac',
 			'secure' => 'tls',
-			'port' => 587
+			'port' => 587,
 		]
 	],
 	'judger' => [
 		'socket' => [
 			'port' => '233',
-			'password' => '_judger_socket_password_'
+			'password' => '_judger_socket_password_',
 		]
 	],
 	'switch' => [
 		'blog-domain-mode' => 3,
-		'open-register' => false
-	]
+		'open-register' => false,
+	],
 ];
diff --git a/web/install.sh b/web/install.sh
index f1996be..cc5b553 100644
--- a/web/install.sh
+++ b/web/install.sh
@@ -60,14 +60,6 @@ setWebConf(){
     # Set webroot path
     ln -sf /opt/uoj/web /var/www/uoj
     chown -R www-data /var/www/uoj/app/storage
-    # Set web config file
-    php7.4 -a <<UOJEOF
-\$config = include '/var/www/uoj/app/.default-config.php';
-\$config['database']['host']='$_database_host_';
-\$config['database']['password']='$_database_password_';
-\$config['judger']['socket']['port']='$_judger_socket_port_';
-file_put_contents('/var/www/uoj/app/.config.php', "<?php\nreturn ".str_replace('\'_httpHost_\'','UOJContext::requestDomain()',var_export(\$config, true)).";\n");
-UOJEOF
     # Prepare local sandbox
     cd /opt/uoj/judger/uoj_judger
     cat >include/uoj_work_path.h <<UOJEOF
@@ -84,9 +76,6 @@ initProgress(){
     #Set uoj_data path
     mkdir -p /var/uoj_data/upload
     chown -R www-data:www-data /var/uoj_data
-    #Replace password placeholders
-    sed -i -e "s/salt0/$_salt0_/g" -e "s/salt1/$_salt1_/g" -e "s/salt2/$_salt2_/g" -e "s/salt3/$_salt3_/g" -e "s/_judger_socket_password_/$_judger_socket_password_/g" /var/www/uoj/app/.config.php
-	sed -i -e "s/'protocol' => 'http'/'protocol' => '$_uoj_protocol_'/g" /var/www/uoj/app/.config.php
     #Start services
     service ntp restart
     service apache2 restart