出错了! (warning!)
Access denied for user 'BT_DB_USERNAME'@'localhost' (using password: YES)
数据库访问被拒绝：用户名或密码错误。 (user.index.index)
bin/data.bin[2] DbMysqli->initConnect("")
bin/data.bin[2] DbMysqli->connect()
[Linux 5.10.134-17.al8.x86_64/7.4.33/mysqli/1.62.01]