kvs.Unmarshal函数 并没有 给 dbx.Settings 赋值

package base

import (
	_ "github.com/go-sql-driver/mysql"
	"github.com/sirupsen/logrus"
	"github.com/tietang/dbx"
	"github.com/tietang/props/kvs"
	"imooc.com/resk/src/imooc.com/resk/infra"
)

//dbx数据实例

var database *dbx.Database

func DbxDatabase() *dbx.Database {
	return database
}

//dbx数据库starter,并设置为全局
type DbxDatabaseStarter struct {
	infra.BaseStarter
}

func (s *DbxDatabaseStarter) Setup(ctx infra.StarterContext) {

	conf := ctx.Props()

	//数据库配置
	settings := dbx.Settings{}
	err := kvs.Unmarshal(conf, &settings, "mysql")  //<<<< <<<< <<<< <<<< 这一行并未赋值
	if err != nil {
		panic(err)
	}
	logrus.Info("%+v\n", settings)
	logrus.Info("mysql.conn url:", settings.ShortDataSourceName())

	dbx, err := dbx.Open(settings)
	if err != nil {
		panic(err)
	}
	database = dbx

}