diff --git a/README.md b/README.md
index b71e149..8628f2e 100644
--- a/README.md
+++ b/README.md
@@ -452,5 +452,4 @@ Copyright (C) 2026 qianfree. 本项目采用 [GNU Affero General Public License
 
 - [GoFrame](https://goframe.org/) — Go 应用开发框架
 - [new-api](https://github.com/Calcium-Ion/new-api) — AI 网关参考实现
-- [sub2api](https://github.com/sub2api/sub2api) — 监控与亲和性参考实现
 - [Naive UI](https://www.naiveui.com/) — Vue 3 组件库
diff --git a/internal/cmd/cmd_aggregate_usage.go b/internal/cmd/cmd_aggregate_usage.go
index f0aa62c..57855f5 100644
--- a/internal/cmd/cmd_aggregate_usage.go
+++ b/internal/cmd/cmd_aggregate_usage.go
@@ -16,7 +16,7 @@ import (
 var aggregateUsageCmd = gcmd.Command{
 	Name:  "aggregate-usage",
 	Usage: "aggregate-usage --from <YYYY-MM-DD> --to <YYYY-MM-DD>",
-	Brief: "回填 bil_usage_daily 用量日汇总（历史数据）",
+	Brief: "回填 bil_usage_daily 用量日汇总（历史数据）， 一般用不到",
 	Description: `
 将 bil_usage_logs 的历史用量按月分块聚合写入 bil_usage_daily，供流量流向桑基图与趋势分析使用。
 按月分块以避免单次扫描全部分区表。--from/--to 均为包含的日期边界；--to 缺省为昨天。