diff --git a/README.md b/README.md
index 1f14f76..ddf4a85 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Join link: [Google meet](https://meet.google.com/jyx-mxnq-kpk)
## 2026 2Q meetup list
+- [285th, 2026-05-02](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/550), joined 3
- [284th, 2026-04-25](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/547), joined 4
- [283th, 2026-04-18](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/546), joined 5
- [282th, 2026-04-11](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/543), joined 5
@@ -507,10 +508,10 @@ and participate more than 30 online meetup, get the chicken gifticon.
|Ranking|Name|Count|
|-------|----|-----|
-|1|[Kim Jong Feel](https://github.com/jongfeel/)|17|
-|2|[최지윤](https://github.com/chichoon/)|15|
-|3|[Yeshin Lee](https://github.com/yeslee-v/)|7|
-|4|[TaeWon](https://github.com/ytw9699/)|7|
+|1|[Kim Jong Feel](https://github.com/jongfeel/)|18|
+|2|[최지윤](https://github.com/chichoon/)|16|
+|3|[TaeWon](https://github.com/ytw9699/)|8|
+|4|[Yeshin Lee](https://github.com/yeslee-v/)|7|
|5|[LeeDaYeon](https://github.com/ErigoLee/)|7|
|6|[loginshin](https://github.com/loginshin/)|3|
|7|[Byeongguk Ahn](https://github.com/nonoaa/)|3|
@@ -522,11 +523,11 @@ and participate more than 30 online meetup, get the chicken gifticon.
|Ranking|Name|Count|
|-------|----|-----|
-|1|[jongfeel](https://github.com/jongfeel/)|278|
-|2|[최지윤](https://github.com/chichoon)|185|
+|1|[jongfeel](https://github.com/jongfeel/)|279|
+|2|[최지윤](https://github.com/chichoon)|186|
|3|[yeslee-v](https://github.com/yeslee-v/)|110|
-|4|[Jeongan Lee](https://github.com/fkdl0048/)|51|
-|5|[TaeWon](https://github.com/ytw9699/)|51|
+|4|[TaeWon](https://github.com/ytw9699/)|52|
+|5|[Jeongan Lee](https://github.com/fkdl0048/)|51|
|6|[Byeongguk Ahn](https://github.com/nonoaa/)|40|
|7|[Joseph-Cha](https://github.com/Joseph-Cha/)|34|
|8|[hyuncho](https://github.com/aquamagic9/)|33|
diff --git a/Stamp/README.md b/Stamp/README.md
index 728d6eb..9905e70 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -30,12 +30,12 @@
| Name | 04-04 (281th) | 04-11 (282th) | 04-18 (283th) | 04-25 (284th) | 05-02 (285th) | 05-09 (286th) | 05-16 (287th) | 05-23 (288th) | 05-30 (289th) | 06-06 (290th) | 06-13 (291th) | 06-20 (292th) | 06-27 (293th) |
|-|-|-|-|-|-|-|-|-|-|-|-|-|-|
-| [Kim Jong Feel](https://github.com/jongfeel/) | 
| | | | | | | | | | | | |
+| [Kim Jong Feel](https://github.com/jongfeel/) | | | | | | | | | | | | | |
+| [TaeWon](https://github.com/ytw9699/) | | book 20/20 | | | book 1/20 | | | | | | | | |
+| [최지윤](https://github.com/chichoon) | book 7/20 | 
book 8/20 | book 9/20 | book 10/20 | 
book 11/20 | | | | | | | | |
| [loginshin](https://github.com/loginshin/) | | | book 2/20 | book 3/20 | | | | | | | | | |
| [Byeongguk Ahn](https://github.com/nonoaa/) | | book 18/20 | book 19/20 | book 20/20 | | | | | | | | | |
-| [최지윤](https://github.com/chichoon) | book 7/20 | book 8/20 | book 9/20 | book 10/20 | | | | | | | | | |
| [LeeDaYeon](https://github.com/ErigoLee/) | | book 8/20 | book 9/20 | | | | | | | | | | |
-| [TaeWon](https://github.com/ytw9699/) | | book 20/20 | | | | | | | | | | | |
| [Yeshin Lee](https://github.com/yeslee-v/) | book 5/20 | | | | | | | | | | | | |
### 2026 1Q, 01-03 (268th) ~ 03-28 (280th)