diff --git a/cmd/ptt_cli/main.go b/cmd/ptt_cli/main.go
index 176ec3f..b3b234f 100644
--- a/cmd/ptt_cli/main.go
+++ b/cmd/ptt_cli/main.go
@@ -44,7 +44,7 @@ func main() {
 		Run: func(cmd *cobra.Command, args []string) {
 			page := 0
 			pagePostCount := 0
-			pagePostCount = ptt.ParsePttPageByIndex(page)
+			pagePostCount = ptt.ParsePttPageByIndex(page, true)
 			printPageResult(ptt, pagePostCount)
 
 			scanner := bufio.NewScanner(os.Stdin)
@@ -67,17 +67,17 @@ func main() {
 					quit = true
 				case "n":
 					page = page + 1
-					pagePostCount = ptt.ParsePttPageByIndex(page)
+					pagePostCount = ptt.ParsePttPageByIndex(page, true)
 					printPageResult(ptt, pagePostCount)
 				case "p":
 					if page > 0 {
 						page = page - 1
 					}
-					pagePostCount = ptt.ParsePttPageByIndex(page)
+					pagePostCount = ptt.ParsePttPageByIndex(page, true)
 					printPageResult(ptt, pagePostCount)
 				case "s":
 					page = 0
-					pagePostCount = ptt.ParsePttPageByIndex(page)
+					pagePostCount = ptt.ParsePttPageByIndex(page, true)
 					printPageResult(ptt, pagePostCount)
 				case "o":
 					open.Run(filepath.FromSlash(ptt.BaseDir))
diff --git a/ptt.go b/ptt.go
index 2bce349..b978a64 100644
--- a/ptt.go
+++ b/ptt.go
@@ -179,8 +179,14 @@ func (p *PTT) GetPostStarByIndex(postIndex int) int {
 	return p.storedPost[postIndex].Likeint
 }
 
+//Set Ptt board psot number, fetch assigned number of posts.
+func (p *PTT) ParsePttByNumber(num int) {
+
+	return
+}
+
 //Set Ptt board page index, fetch all post and return article count back
-func (p *PTT) ParsePttPageByIndex(page int) int {
+func (p *PTT) ParsePttPageByIndex(page int, replace bool) int {
 	// Get https response with setting cookie over18=1
 	resp := getResponseWithCookie(p.entryAddress)
 	doc, err := goquery.NewDocumentFromResponse(resp)
@@ -234,6 +240,11 @@ func (p *PTT) ParsePttPageByIndex(page int) int {
 			posts = append(posts, newPost)
 		}
 	})
+	if replace {
+		p.storedPost = posts
+	} else {
+		p.storedPost = append(p.storedPost, posts...)
+	}
 
 	return len(p.storedPost)
 }
diff --git a/ptt_test.go b/ptt_test.go
index 4b868cc..a0d1c11 100644
--- a/ptt_test.go
+++ b/ptt_test.go
@@ -2,6 +2,14 @@ package photomgr
 
 import "testing"
 
+func TestGetPage(t *testing.T) {
+	ptt := NewPTT()
+	count := ptt.ParsePttPageByIndex(0, true)
+	if count == 0 {
+		t.Errorf("ParsePttPageByIndex: no content")
+	}
+}
+
 func TestURLPhoto(t *testing.T) {
 	ptt := NewPTT()
 	title := ptt.GetPostTitleByIndex(5)
@@ -36,7 +44,7 @@ func TestURLLike(t *testing.T) {
 
 func TestUAllGirls(t *testing.T) {
 	ptt := NewPTT()
-	count := ptt.ParsePttPageByIndex(0)
+	count := ptt.ParsePttPageByIndex(0, true)
 	for i := 0; i < count; i++ {
 		title := ptt.GetPostTitleByIndex(i)
 		if CheckTitleWithBeauty(title) {