diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index a1389eca5..c55415e1a 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -708,6 +708,7 @@ func clearWorkspaceTemp() {
 	os.RemoveAll(filepath.Join(util.TempDir, "import"))
 	os.RemoveAll(filepath.Join(util.TempDir, "repo"))
 	os.RemoveAll(filepath.Join(util.TempDir, "os"))
+	os.RemoveAll(filepath.Join(util.TempDir, "blocktree.msgpack")) // v2.7.2 前旧版的块数数据
 
 	// 退出时自动删除超过 7 天的安装包 https://github.com/siyuan-note/siyuan/issues/6128
 	install := filepath.Join(util.TempDir, "install")