diff --git a/README.md b/README.md
index 5290437..cf58ca9 100644
--- a/README.md
+++ b/README.md
@@ -80,3 +80,4 @@ npm test           # 单元测试（42 项）
 - [嵌入 mainPage（i18n prop 桥接 / 样式隔离）](./docs/integration.md)
 - [间隔合并与链拆分算法](./docs/organize-algorithm.md)
 - [自动保存设计](./docs/auto-save-design.md)
+- [初始设计文档](./docs/superpowers/specs/2026-07-13-timetable2-design.md)