diff --git a/install/bundle/install.sh b/install/bundle/install.sh
index 86bbd37..26fa573 100644
--- a/install/bundle/install.sh
+++ b/install/bundle/install.sh
@@ -18,7 +18,9 @@ getAptPackage(){
     echo "deb http://ppa.launchpad.net/stesie/libv8/ubuntu bionic main" | tee /etc/apt/sources.list.d/stesie-libv8.list && apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D858A0DF
     apt-get update && apt-get install -y vim ntp zip unzip curl wget apache2 libapache2-mod-xsendfile libapache2-mod-php php php-dev php-pear php-zip php-mysql php-mbstring mysql-server cmake fp-compiler re2c libv8-7.5-dev libyaml-dev python python3 python3-requests openjdk-8-jdk openjdk-11-jdk
     #Install PHP extensions
-    printf "/opt/libv8-7.5\n\n" | pecl install v8js yaml
+    yes | pecl install yaml
+    git clone https://github.com/phpv8/v8js.git --depth=1 /tmp/pear/download/v8js-master && cd /tmp/pear/download/v8js-master
+    phpize && ./configure --with-php-config=/usr/bin/php-config --with-v8js=/opt/libv8-7.5 && make install && cd -
 }
 
 setLAMPConf(){
@@ -47,7 +49,7 @@ UOJEOF
     a2enmod rewrite headers && sed -i -e '172s/AllowOverride None/AllowOverride All/' /etc/apache2/apache2.conf
     #Create UOJ session save dir and make PHP extensions available
     mkdir --mode=733 /var/lib/php/uoj_sessions && chmod +t /var/lib/php/uoj_sessions
-    sed -i -e '865a\extension=v8js.so\nextension=yaml.so' /etc/php/7.2/apache2/php.ini
+    sed -i -e '912a\extension=v8js.so\nextension=yaml.so' /etc/php/7.4/apache2/php.ini
     #Set MySQL user directory and connection config
     usermod -d /var/lib/mysql/ mysql
     cat >/etc/mysql/mysql.conf.d/uoj_mysqld.cnf <<UOJEOF
@@ -58,7 +60,7 @@ collation-server=utf8mb4_unicode_ci
 init_connect='SET NAMES utf8mb4'
 init_connect='SET collation_connection = utf8mb4_unicode_ci'
 skip-character-set-client-handshake
-sql-mode=ONLY_FULL_GROUP_BY,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
+sql-mode=ONLY_FULL_GROUP_BY,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
 UOJEOF
 }
 
@@ -77,6 +79,7 @@ UOJEOF
     #Import MySQL database
     service mysql restart
     mysql -u root --password=$_database_password_ <../db/app_uoj233.sql
+    echo "ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '$_database_password_';" | mysql -u root --password=$_database_password_
 }
 
 setJudgeConf(){
@@ -94,7 +97,7 @@ cd /opt/uoj/judger && chmod +x judge_client
 cat >uoj_judger/include/uoj_work_path.h <<UOJEOF
 #define UOJ_WORK_PATH "/opt/uoj/judger/uoj_judger"
 #define UOJ_JUDGER_BASESYSTEM_UBUNTU1804
-#define UOJ_JUDGER_PYTHON3_VERSION "3.6"
+#define UOJ_JUDGER_PYTHON3_VERSION "3.8"
 #define UOJ_JUDGER_FPC_VERSION "3.0.4"
 UOJEOF
 cd uoj_judger && make -j$(($(nproc) + 1))