{
    "database": {
        "host": "192.168.100.33",
        "port": 3306,
        "username": "zhenggantian",
        "password": "123456",
        "database": "logistics",
        "charset": "utf8mb4",
        "pool_size": 10,
        "max_overflow": 5,
        "pool_recycle": 3600
    }
}