diff --git a/cmd/mark2note/main.go b/cmd/mark2note/main.go
index d586459..39c0c4e 100644
--- a/cmd/mark2note/main.go
+++ b/cmd/mark2note/main.go
@@ -1020,7 +1020,7 @@ func xhsDeckPageTitlesForPublish(deck xhsContentDeckFile) []string {
 		if isXHSCoverDeckPage(index, page) {
 			continue
 		}
-		title := strings.TrimSpace(page.Content.Title)
+		title := normalizeXHSPublishTitle(page.Content.Title)
 		if title == "" {
 			continue
 		}
@@ -1029,6 +1029,10 @@ func xhsDeckPageTitlesForPublish(deck xhsContentDeckFile) []string {
 	return titles
 }
 
+func normalizeXHSPublishTitle(title string) string {
+	return strings.Join(strings.Fields(strings.TrimSpace(title)), " ")
+}
+
 func isXHSCoverDeckPage(index int, page xhsContentDeckPage) bool {
 	if strings.EqualFold(strings.TrimSpace(page.Variant), "cover") {
 		return true
diff --git a/cmd/mark2note/main_test.go b/cmd/mark2note/main_test.go
index 8346ba8..e13b046 100644
--- a/cmd/mark2note/main_test.go
+++ b/cmd/mark2note/main_test.go
@@ -936,7 +936,7 @@ func TestRunPrepareXHSWritesPageTitleContentWhenRequested(t *testing.T) {
 			t.Fatalf("WriteFile(%q) error = %v", imagePath, err)
 		}
 	}
-	deckJSON := `{"pages":[{"name":"p01-cover","variant":"cover","content":{"title":"封面标题"}},{"name":"p02-image-caption","variant":"image-caption","content":{"title":"第一条"}},{"name":"p03-image-caption","variant":"image-caption","content":{"title":"第二条"}},{"name":"p04-image-caption","variant":"image-caption","content":{"title":"   "}}]}`
+	deckJSON := `{"pages":[{"name":"p01-cover","variant":"cover","content":{"title":"封面标题"}},{"name":"p02-image-caption","variant":"image-caption","content":{"title":"第一条  中间\t多空格"}},{"name":"p03-image-caption","variant":"image-caption","content":{"title":"第二条\n跨行"}},{"name":"p04-image-caption","variant":"image-caption","content":{"title":"   "}}]}`
 	if err := os.WriteFile(filepath.Join(outDir, "deck.json"), []byte(deckJSON), 0o644); err != nil {
 		t.Fatalf("WriteFile(deck) error = %v", err)
 	}
@@ -975,7 +975,7 @@ func TestRunPrepareXHSWritesPageTitleContentWhenRequested(t *testing.T) {
 	if err := json.Unmarshal(data, &meta); err != nil {
 		t.Fatalf("Unmarshal(meta) error = %v", err)
 	}
-	wantContent := "1. 第一条\n2. 第二条"
+	wantContent := "1. 第一条 中间 多空格\n2. 第二条 跨行"
 	if meta.Content != wantContent {
 		t.Fatalf("meta.Content = %q, want %q", meta.Content, wantContent)
 	}