{
  "lowdbds": {
    "name": "dios",
    "connector": "lowdb"
  },
  "cduserds": {
    "host": "127.0.0.1",
    "port": 3306,
    "database": "xinshouke",
    "username": "xinshouke",
    "password": "123456",
    "name": "cduserds",
    "connector": "mysql"
  }
}

{
  "lowdbds": {
    "database": "Diosdb",
    "connector": "lowdb"
  },
    "lowdbtestds": {
    "database": "Diostestdb",
    "connector": "lowdb"
  },
  "cduserds": {
    "host": "fultoncupid.mysql.rds.aliyuncs.com",
    "port": 3306,
    "database": "liangtest",
    "username": "liangy",
    "password": "p0o9i8u7y6t5r4e3w2q1",
    "name": "cduserds",
    "connector": "mysql"
  }
}

Support more than one database
Support more than one database

add a connector property,  to support more than one database