{
	"port": 4005,
	"mongo_server": "localhost",
	"mongo_db": "test",
	"model_dir": "../../../models/",
	"log": "../logs/test.log"
}
{
	"port": 4005,
	"mongo_server": "localhost",
	"mongo_db": "test",
	"model_dir": "../../../models/",
	"log": "./logs/test.log"
}
Fix log dir to make it relative
Fix log dir to make it relative
