diff --git a/README.md b/README.md
index f380661..1f14f76 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
+- [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
- [281th, 2026-04-04](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/542), joined 3
@@ -506,13 +507,13 @@ and participate more than 30 online meetup, get the chicken gifticon.
|Ranking|Name|Count|
|-------|----|-----|
-|1|[Kim Jong Feel](https://github.com/jongfeel/)|16|
-|2|[최지윤](https://github.com/chichoon/)|14|
+|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|
|5|[LeeDaYeon](https://github.com/ErigoLee/)|7|
-|6|[loginshin](https://github.com/loginshin/)|2|
-|7|[Byeongguk Ahn](https://github.com/nonoaa/)|2|
+|6|[loginshin](https://github.com/loginshin/)|3|
+|7|[Byeongguk Ahn](https://github.com/nonoaa/)|3|
|8|[Daewon Paeng](https://github.com/fora22/)|1|
|9|[ARi](https://github.com/hyunhyee/)|1|
|10|[Harry Ho](https://github.com/hemil0102/)|1|
@@ -521,12 +522,12 @@ and participate more than 30 online meetup, get the chicken gifticon.
|Ranking|Name|Count|
|-------|----|-----|
-|1|[jongfeel](https://github.com/jongfeel/)|277|
-|2|[최지윤](https://github.com/chichoon)|184|
+|1|[jongfeel](https://github.com/jongfeel/)|278|
+|2|[최지윤](https://github.com/chichoon)|185|
|3|[yeslee-v](https://github.com/yeslee-v/)|110|
|4|[Jeongan Lee](https://github.com/fkdl0048/)|51|
|5|[TaeWon](https://github.com/ytw9699/)|51|
-|6|[Byeongguk Ahn](https://github.com/nonoaa/)|39|
+|6|[Byeongguk Ahn](https://github.com/nonoaa/)|40|
|7|[Joseph-Cha](https://github.com/Joseph-Cha/)|34|
|8|[hyuncho](https://github.com/aquamagic9/)|33|
|9|[hi-hyein](https://github.com/hi-hyein/)|30|
@@ -555,12 +556,12 @@ and participate more than 30 online meetup, get the chicken gifticon.
|32|[kiJiyeon](https://github.com/kiJiyeon/)|3|
|33|[seoyoungit](https://github.com/seoyoungit/)|3|
|34|[park7628](https://github.com/park7628/)|3|
-|35|[김지수](https://github.com/tttghost)|2|
-|36|[Park ChulHwan](https://github.com/Chul-Hwan)|2|
-|37|[kapitalismho](https://github.com/kapitalismho/)|2|
-|38|[yiy829](https://github.com/yiy829/)|2|
-|39|[yonii2](https://github.com/yonii2/)|2|
-|40|[loginshin](https://github.com/loginshin/)|2|
+|35|[loginshin](https://github.com/loginshin/)|3|
+|36|[김지수](https://github.com/tttghost)|2|
+|37|[Park ChulHwan](https://github.com/Chul-Hwan)|2|
+|38|[kapitalismho](https://github.com/kapitalismho/)|2|
+|39|[yiy829](https://github.com/yiy829/)|2|
+|40|[yonii2](https://github.com/yonii2/)|2|
|41|[mhjoon99](https://github.com/mhjoon99/)|1|
|42|[CokeLee777](https://github.com/CokeLee777/)|1|
|43|[zoops](https://github.com/zoops/)|1|
diff --git a/Stamp/README.md b/Stamp/README.md
index c1e6ecd..728d6eb 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -30,11 +30,11 @@
| 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/) | 
| | | | | | | | | | | | |
-| [Byeongguk Ahn](https://github.com/nonoaa/) | | 
book 18/20 | book 19/20 | | | | | | | | | | |
+| [Kim Jong Feel](https://github.com/jongfeel/) | | | | | | | | | | | | | |
+| [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 | | | | | | | | | | |
-| [최지윤](https://github.com/chichoon) | book 7/20 | book 8/20 | book 9/20 | | | | | | | | | | |
-| [loginshin](https://github.com/loginshin/) | | | book 2/20 | | | | | | | | | | |
| [TaeWon](https://github.com/ytw9699/) | | book 20/20 | | | | | | | | | | | |
| [Yeshin Lee](https://github.com/yeslee-v/) | book 5/20 | | | | | | | | | | | | |