feat: 引入到期时间概念,当非default的分组时将有到期时间概念

fix: 修复旧用户的vip被降级,尽量不对原先用户做变动

model/option.go

@@ -95,6 +95,9 @@ func SyncOptions(frequency int) {
 	for {
 		time.Sleep(time.Duration(frequency) * time.Second)
 		logger.SysLog("syncing options from database")
+		if config.IsMasterNode {
+			checkAndDowngradeUsers()
+		}
 		loadOptionsFromDatabase()
 	}
 }