diff --git a/journal/2021-09-12.md b/journal/2021-09-12.md
index 3daec41fb..0c2938b73 100644
--- a/journal/2021-09-12.md
+++ b/journal/2021-09-12.md
@@ -7,7 +7,8 @@
 - [[moloch]]
   - [[chasing moloch]]
 - [[bolo bolo]]
-- 
+- [[do]]
+  - [[stack]]
 - [[push]] [[agora protocol]]
   - [[wikilinks]]
   - [[tweet]] https://twitter.com/flancian/status/1437079533253976066
diff --git a/stack.md b/stack.md
new file mode 100644
index 000000000..90bcdab79
--- /dev/null
+++ b/stack.md
@@ -0,0 +1,5 @@
+# stack
+
+- [ ] install agora api
+- [[pull]] [[do]]
+