diff --git a/Thesis/2026_journal_1/260422.md b/Thesis/2026_journal_1/260422.md
index 2c8a21d..6c993c1 100644
--- a/Thesis/2026_journal_1/260422.md
+++ b/Thesis/2026_journal_1/260422.md
@@ -2,7 +2,7 @@
 title: 260422_회의자료
 description: 
 published: true
-date: 2026-04-22T07:53:42.810Z
+date: 2026-04-22T14:09:12.127Z
 tags: 
 editor: markdown
 dateCreated: 2026-04-22T07:07:20.291Z
@@ -64,4 +64,15 @@ Where $m_a$ is
 $m_a = K_{i}\int(i_d^* - i_d)dt\\$
 
 In Steady state, error is expected to be zero:
-$\cfrac{dm_a}{dt} = K_i (i_d^* - i_d) = 0\\% \implies i_d = i_d^*\\$
\ No newline at end of file
+$\cfrac{dm_a}{dt} = K_i (i_d^* - i_d) = 0\\% \implies i_d = i_d^*\\$
+
+```kroki
+mermaid
+
+graph TD
+  A[ Anyone ] -->|Can help | B( Go to github.com/yuzutech/kroki )
+  B --> C{ How to contribute? }
+  C --> D[ Reporting bugs ]
+  C --> E[ Sharing ideas ]
+  C --> F[ Advocating ]
+``'
\ No newline at end of file