feat: 优化关闭数据库连接

internal/data/backup.go

@@ -833,6 +833,9 @@ func (r *backupRepo) UpdatePanel(version, url, checksum string) error {
 	_, _ = shell.Execf("systemctl daemon-reload")
 	_ = io.Remove("/tmp/panel-storage.zip")
 	_ = io.Remove(filepath.Join(app.Root, "panel/config.example.yml"))
+	if sqlDB, err := r.db.DB(); err == nil {
+		_ = sqlDB.Close()
+	}
 	tools.RestartPanel()
 
 	return nil

internal/job/panel_task.go

@@ -48,11 +48,6 @@ func (r *PanelTask) Run() {
 		r.log.Warn("[Panel Task] failed to vacuum database", slog.Any("err", err))
 		return
 	}
-	if err := r.db.Exec("PRAGMA synchronous=FULL;").Error; err != nil {
-		app.Status = app.StatusFailed
-		r.log.Warn("[Panel Task] failed to set database synchronous to FULL", slog.Any("err", err))
-		return
-	}
 	if err := r.db.Exec("PRAGMA journal_mode=WAL;").Error; err != nil {
 		app.Status = app.StatusFailed
 		r.log.Warn("[Panel Task] failed to set database journal_mode to WAL", slog.Any("err", err))