问题遇到的现象和发生背景
使用go更换MySQL数据库时报错: dial tcp 127.0.0.1:6379: connectex: No connection could be made because the target machine actively refused it
遇到的现象和发生背景,请写出第一个错误信息
## mysql库
DB_DRIVER=mysql
DB_HOST=localhost
DB_PORT=3306
DB_DATABASE=mysql_wty
DB_USERNAME=root
DB_PASSWORD=*********