--- a/cmd_donwload.go	Tue Mar 31 12:47:04 2020 +0900
+++ b/cmd_donwload.go	Tue Mar 31 13:40:06 2020 +0900
@@ -4,6 +4,8 @@
 	"context"
 	"fmt"
 	"io"
+
+	"ie.u-ryukyu.ac.jp/hg/y19/index.cgi/home/hg/y19/k198584/Tools/lectable/syllabus"
 )
 
 type cmdDownload struct{}
@@ -18,5 +20,13 @@
 
 func (cd *cmdDownload) run(ctx context.Context, argv []string, outStream, errStream io.Writer) error {
 	fmt.Println("download now!!")
-	return nil
+	dh := syllabus.CreateGetSyllabus()
+	_, err := dh.CheckAndMkdirBuilddir()
+	if err != nil {
+		return err
+	}
+	arr3 := []string{"601495001", "600625001"}
+
+	err = dh.LecIDStoDonwlodSyllabus(ctx, arr3)
+	return err
 }

--- a/go.sum	Tue Mar 31 12:47:04 2020 +0900
+++ b/go.sum	Tue Mar 31 13:40:06 2020 +0900
@@ -1,3 +1,4 @@
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

--- a/syllabus/getSyllabus.go	Tue Mar 31 12:47:04 2020 +0900
+++ b/syllabus/getSyllabus.go	Tue Mar 31 13:40:06 2020 +0900
@@ -2,6 +2,7 @@
 
 import (
 	"bufio"
+	"context"
 	"io"
 	"net/http"
 	"net/url"
@@ -10,6 +11,7 @@
 	"path/filepath"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/pkg/errors"
@@ -41,7 +43,7 @@
 type Lecture struct {
 	ID      string
 	Name    string
-	Day     *lectureDay
+	Day     *LectureDay
 	Teacher string
 }
 
@@ -71,19 +73,44 @@
 //"https://tiglon.jim.u-ryukyu.ac.jp/portal/Public/Syllabus/SyllabusSearchStart.aspx?lct_year=2019&lct_cd=610004071&je_cd=1"
 var endpoint = "https://tiglon.jim.u-ryukyu.ac.jp"
 
+//CheckAndMkdirBuilddir is builld 2019/early dir
+func (g *GetSyllabus) CheckAndMkdirBuilddir() (bool, error) {
+	if f, err := os.Stat(g.outputdir); os.IsNotExist(err) || !f.IsDir() {
+		err := os.MkdirAll(g.outputdir, 0755)
+		if err != nil {
+			return false, errors.Wrap(err, "failed mkdir")
+		}
+		return true, nil
+	}
+	return true, nil
+}
+
+func (g *GetSyllabus) LecIDStoDonwlodSyllabus(ctx context.Context, lectureIDs []string) error {
+	var wg sync.WaitGroup
+	for _, id := range lectureIDs {
+		wg.Add(1)
+		go func(id string) {
+			defer wg.Done()
+			g.LecIDtoDownloadSyllabus(id)
+		}(id)
+	}
+	wg.Wait()
+	return nil
+}
+
 //LecIDtoDownloadSyllabus is download from lecture ID
 func (g *GetSyllabus) LecIDtoDownloadSyllabus(lectureID string) error {
 	var strBuilder strings.Builder
 	strBuilder.WriteString(lectureID)
 	strBuilder.WriteString(".html")
 
-	putputPath := filepath.Join(g.outputdir, strBuilder.String())
+	outputPath := filepath.Join(g.outputdir, strBuilder.String())
 
-	file, err := os.Create(strBuilder.String())
+	file, err := os.Create(outputPath)
 	defer file.Close()
 
 	if err != nil {
-		return errors.Wrap("failed create html...")
+		return errors.Wrap(err, "failed create html...")
 	}
 
 	strBuilder.Reset()
@@ -93,9 +120,9 @@
 		return err
 	}
 
-	u.path = path.Join(u.path, "portal", "Public", "Syllabus", "SyllabusSearchStart.aspx")
+	u.Path = path.Join(u.Path, "portal", "Public", "Syllabus", "SyllabusSearchStart.aspx")
 	q := u.Query()
-	q.Set("lect_year", g.year)
+	q.Set("lect_year", strconv.Itoa(g.year))
 	q.Set("lect_cd", lectureID)
 	q.Set("je_cd", "1")
 	u.RawQuery = q.Encode()
@@ -104,19 +131,19 @@
 	defer res.Body.Close()
 
 	if err != nil {
-		return errors.Wrap("failed download html")
+		return errors.Wrap(err, "failed download html")
 	}
 
-	_, err := io.Copy(file, res.Body)
+	_, err = io.Copy(file, res.Body)
 	if err != nil {
-		return errors.Wrap("failed download html")
+		return errors.Wrap(err, "failed download html")
 	}
 
 	return nil
 }
 
 //LecIDwFilePath2LectureStruct is require LectureID (== Lecture.ID), filePath ( syllabus.html path)
-func (g *GetSyllabus) LecIDwFilePath2LectureStruct(lectureID, filePath string) (*lecture, error) {
+func (g *GetSyllabus) LecIDwFilePath2LectureStruct(lectureID, filePath string) (*Lecture, error) {
 	file, err := os.Open(filePath)
 
 	if err != nil {
@@ -124,8 +151,8 @@
 	}
 	scanner := bufio.NewScanner(file)
 
-	var lec lecture
-	lec.id = lectureID
+	var lec Lecture
+	lec.ID = lectureID
 
 	for scanner.Scan() {
 		line := scanner.Text()
@@ -135,11 +162,11 @@
 			if j := strings.Index(line, endSpan); j >= 0 {
 				i += len(dayPeriodID)
 				day := line[i:j]
-				lec.day.dayOfWeek, err = kanjiday2int(day[0:dayOfWeeklen])
+				lec.Day.DayOfWeek, err = kanjiday2int(day[0:dayOfWeeklen])
 				if err != nil {
 					return nil, errors.Wrap(err, "failed convert day")
 				}
-				lec.day.period, err = strconv.Atoi(day[dayOfWeeklen : dayOfWeeklen+1])
+				lec.Day.Period, err = strconv.Atoi(day[dayOfWeeklen : dayOfWeeklen+1])
 
 				// dayの長さで〜があるかどうかが判定する
 			}
@@ -150,7 +177,7 @@
 		if i := strings.Index(line, lectureNameID); i >= 0 {
 			if j := strings.Index(line, endSpan); j >= 0 {
 				i += len(lectureNameID)
-				lec.name = line[i:j]
+				lec.Name = line[i:j]
 			}
 			continue
 		}
@@ -159,7 +186,7 @@
 		if i := strings.Index(line, teacherNameID); i >= 0 {
 			if j := strings.Index(line, endSpan); j >= 0 {
 				i += len(teacherNameID)
-				lec.teacher = line[i:j]
+				lec.Teacher = line[i:j]
 			}
 			break
 		}