refactor: token cache logic

constant/cache_key.go

@@ -9,10 +9,15 @@ var (
 	UserId2StatusCacheSeconds = common.SyncFrequency
 )
 
+// Cache keys
 const (
-	// Cache keys
 	UserGroupKeyFmt    = "user_group:%d"
 	UserQuotaKeyFmt    = "user_quota:%d"
 	UserEnabledKeyFmt  = "user_enabled:%d"
 	UserUsernameKeyFmt = "user_name:%d"
 )
+
+const (
+	TokenFiledRemainQuota = "RemainQuota"
+	TokenFieldGroup       = "Group"
+)