diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index 00c9a09dc..842f246a0 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -675,7 +675,6 @@ 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.DataDir, "assets", ".siyuan", "assets.json"))
 
 	// 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")
@@ -720,5 +719,10 @@ func clearWorkspaceTemp() {
 		}
 	}
 
+	// 老版本遗留文件清理
+	os.RemoveAll(filepath.Join(util.DataDir, "assets", ".siyuan", "assets.json"))
+	os.RemoveAll(filepath.Join(util.WorkspaceDir, "backup"))
+	os.RemoveAll(filepath.Join(util.WorkspaceDir, "sync"))
+
 	logging.LogInfof("cleared workspace temp")
 }
diff --git a/kernel/model/process.go b/kernel/model/process.go
index 8785a9b69..0f73e8165 100644
--- a/kernel/model/process.go
+++ b/kernel/model/process.go
@@ -42,7 +42,6 @@ func HookDesktopUIProc() {
 		return
 	}
 
-	time.Sleep(30 * time.Second)
 	uiProcNames := []string{"siyuan", "electron"}
 	existUIProc := false
 	for range time.Tick(7 * time.Second) {