1. login the mysql database and implement the following command to add user %
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'Admin@123' WITH GRANT OPTION; (here Admin@123 should be the password of mysql database)
mysql> FLUSH PRIVILEGES;
2.Then, check again, the user % should be in your database.
mysql> select host,user,password from mysql.user;
3. Wait for several minutes, "Attack Event Rankings" works fine.