diff --git a/README.md b/README.md
index 8221067..f07e707 100644
--- a/README.md
+++ b/README.md
@@ -49,8 +49,9 @@ Please refer to [Wiki](https://github.com/lyc8503/UptimeFlare/wiki)
 - [x] Improve docs by providing simple examples
 - [x] Notification grace period
 - [ ] SSL certificate checks
-- [ ] Self-host Dockerfile
+- [x] ~~Self-host Dockerfile~~
 - [ ] Incident timeline
 - [ ] Improve `checkLocationWorkerRoute` and fix possible `proxy failed`
 - [ ] Groups 
 - [x] Remove old incidents
+- [ ] Known issue: `fetch` doesn't support non-standard port