出错了! (warning!)
php_network_getaddresses: getaddrinfo failed: Name or service not known
数据库连接错误，请检查地址是否正确。 (user.index.index)
bin/data.bin[2] DbMysqli->initConnect("")
bin/data.bin[2] DbMysqli->connect()
[Linux 3.10.0-1160.108.1.el7.x86_64/7.4.33/mysqli/1.62.01]