diff --git a/kernel/model/render.go b/kernel/model/render.go
index a96ab20ad..8dd932269 100644
--- a/kernel/model/render.go
+++ b/kernel/model/render.go
@@ -55,7 +55,7 @@ func renderOutline(node *ast.Node, luteEngine *lute.Lute) (ret string) {
 			tokens := html.EscapeHTML(n.Tokens)
 			tokens = bytes.ReplaceAll(tokens, []byte(" "), []byte(" ")) // 大纲面板条目中无法显示多个空格 https://github.com/siyuan-note/siyuan/issues/4370
 			buf.Write(tokens)
-		case ast.NodeInlineMath, ast.NodeStrong, ast.NodeEmphasis, ast.NodeCodeSpan:
+		case ast.NodeInlineMath, ast.NodeStrong, ast.NodeEmphasis, ast.NodeCodeSpan, ast.NodeTextMark:
 			dom := lute.RenderNodeBlockDOM(n, luteEngine.ParseOptions, luteEngine.RenderOptions)
 			buf.WriteString(dom)
 			return ast.WalkSkipChildren