ini: invalid data to encode as ini about config HOT 3 CLOSED

func main() {
    r := config.New("grafana")
    r.WithOptions(config.ParseEnv)

    r.AddDriver(ini.Driver)

    err := r.LoadFiles("xxx.ini")
    if err != nil {
        panic(err)
    }

    a := r.Data()
    var x interface{} = &a
    switch x.(type) {
    case map[string]interface{}: // from full mode
        fmt.Println("map[string]interface{}")
    case map[string]map[string]string: // from simple mode
        fmt.Println("map[string]map[string]string")
    default:
        fmt.Println("Unknow type")
    }
}