diff --git a/README.md b/README.md
index a2b2632..16bbca5 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,11 @@ Github Pages + Jekyll搭建的静态博客, 内容是[PAT](https://www.patest.cn
 ### Todo list
 
 - [x] Get it running. First successful run in [this commit][first run]
-- [ ] Add correct date to filenames
-- [ ] Use tags/categories to manage posts
+- [x] Add correct date to filenames in [this commit][add date]
+- [ ] Use tags/categories to manage posts. Or/and consider using collections(so no restriction on filename)
 - [ ] Add commenting system
   - [ ] Disqus
   - [ ] Gittalk
 
 [first run]: https://github.com/OliverLew/PAT/commit/a06f099b2a64138612128b2c9227b2b2514ff617
+[add date]: https://github.com/OliverLew/PAT/commit/e6e23b82b4f12b895d2504602f8b4a6b9e912f41