diff --git a/00. Inbox/_TODO.md b/00. Inbox/_TODO.md
index 019d3ec..1ca04c0 100644
--- a/00. Inbox/_TODO.md	
+++ b/00. Inbox/_TODO.md	
@@ -9,6 +9,9 @@ description:
 # 2025-02-02
 - [ ] 搞懂 CSS
 - [ ] 試試 [Tocas UI](https://tocas-ui.com/5.0/zh-tw/index.html)
+- [ ] GCNAT?
+- [ ] STUN?
+- [ ] full cone nat?
 
 # 2025-02-01
 - [ ] 🛫 2025-02-01 [VSCODE] Optimise Ruff