diff --git a/docs/08-change-logs/01-core.md b/docs/08-change-logs/01-core.md
index f5eb589..f50df58 100644
--- a/docs/08-change-logs/01-core.md
+++ b/docs/08-change-logs/01-core.md
@@ -2,3 +2,13 @@
 sidebar_position: 1
 title: CORE
 ---
+
+# Update logic random fake jackpot
+---
+## 12/06/2025
+- Change the calculation method for the fake jackpot winning rate.
+- Add logic handle win limit of game hyper
+- Related submodules and core :
+    + base-slot-template
+    + p4f-slotty-core
+    + workspace-p4f-slotty-core: tag version-pack_1_00
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