From 192679eeddef118a2257b8259bc8c7f09d087f57 Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Thu, 29 Dec 2022 22:00:07 +0800
Subject: [PATCH] =?UTF-8?q?:art:=20=E6=94=AF=E6=8C=81=E6=B5=8F=E8=A7=88?=
 =?UTF-8?q?=E5=8D=A1=E5=8C=85=E5=86=85=E7=9A=84=E9=97=AA=E5=8D=A1=20https:?=
 =?UTF-8?q?//github.com/siyuan-note/siyuan/issues/6943?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 kernel/model/flashcard.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/model/flashcard.go b/kernel/model/flashcard.go
index 8051c8c17..6c6c3f211 100644
--- a/kernel/model/flashcard.go
+++ b/kernel/model/flashcard.go
@@ -41,6 +41,7 @@ var Decks = map[string]*riff.Deck{}
 var deckLock = sync.Mutex{}
 
 func GetFlashcards(deckID string, page int) (blockIDs []string, total, pageCount int) {
+	blockIDs = []string{}
 	deck := Decks[deckID]
 	if nil == deck {
 		return
@@ -64,6 +65,9 @@ func GetFlashcards(deckID string, page int) (blockIDs []string, total, pageCount
 	blockIDs = allBlockIDs[start:end]
 	total = len(allBlockIDs)
 	pageCount = int(math.Ceil(float64(total) / float64(pageSize)))
+	if 1 > len(blockIDs) {
+		blockIDs = []string{}
+	}
 	return
 }