diff --git a/README.md b/README.md
index 4df58a6..434fd2a 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,8 @@ Join link: [Google meet](https://meet.google.com/jyx-mxnq-kpk)
## 2026 1Q meetup list
-- [271th, 2026-01-24](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/518), will be open
+- [272th, 2026-01-31](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/519), will be open
+- [271th, 2026-01-24](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/518), joined 4
- [270th, 2026-01-17](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/517), joined 4
- [269th, 2026-01-10](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/515), joined 4
- [268th, 2026-01-03](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/514), joined 4
@@ -486,22 +487,22 @@ and participate more than 30 online meetup, get the chicken gifticon.
|Ranking|Name|Count|
|-------|----|-----|
-|1|[Kim Jong Feel](https://github.com/jongfeel/)|3|
-|2|[최지윤](https://github.com/chichoon/)|3|
+|1|[Kim Jong Feel](https://github.com/jongfeel/)|4|
+|2|[최지윤](https://github.com/chichoon/)|4|
|3|[Yeshin Lee](https://github.com/yeslee-v/)|3|
-|4|[LeeDaYeon](https://github.com/ErigoLee/)|1|
-|5|[Daewon Paeng](https://github.com/fora22/)|1|
-|6|[TaeWon](https://github.com/ytw9699/)|1|
+|4|[LeeDaYeon](https://github.com/ErigoLee/)|2|
+|5|[TaeWon](https://github.com/ytw9699/)|2|
+|6|[Daewon Paeng](https://github.com/fora22/)|1|
### All from first to present
|Ranking|Name|Count|
|-------|----|-----|
-|1|[jongfeel](https://github.com/jongfeel/)|265|
-|2|[최지윤](https://github.com/chichoon)|174|
+|1|[jongfeel](https://github.com/jongfeel/)|266|
+|2|[최지윤](https://github.com/chichoon)|175|
|3|[yeslee-v](https://github.com/yeslee-v/)|106|
|4|[Jeongan Lee](https://github.com/fkdl0048/)|51|
-|5|[TaeWon](https://github.com/ytw9699/)|45|
+|5|[TaeWon](https://github.com/ytw9699/)|46|
|6|[Byeongguk Ahn](https://github.com/nonoaa/)|37|
|7|[Joseph-Cha](https://github.com/Joseph-Cha/)|34|
|8|[hyuncho](https://github.com/aquamagic9/)|33|
@@ -515,9 +516,9 @@ and participate more than 30 online meetup, get the chicken gifticon.
|16|[exgs](https://github.com/exgs)|19|
|17|[TaeHyoungKwon](https://github.com/TaeHyoungKwon/)|17|
|18|[soo:bak](https://github.com/soo-bak)|15|
-|19|[yoonucho](https://github.com/yoonucho/)|14|
-|20|[wisdom08](https://github.com/wisdom08/)|14|
-|21|[LeeDaYeon](https://github.com/ErigoLee/)|14|
+|19|[LeeDaYeon](https://github.com/ErigoLee/)|15|
+|20|[yoonucho](https://github.com/yoonucho/)|14|
+|21|[wisdom08](https://github.com/wisdom08/)|14|
|22|[junmokang](https://github.com/moaoh)|13|
|23|[ARi](https://github.com/hyunhyee/)|13|
|24|[Jiyun Yun](https://github.com/jeeyn)|12|
diff --git a/Stamp/README.md b/Stamp/README.md
index b8f6854..9a97a64 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -26,12 +26,12 @@
| Name | 01-03 (268th) | 01-10 (269th) | 01-17 (270th) | 01-24 (271th) | 01-31 (272th) | 02-07 (273th) | 02-14 (274th) | 02-21 (275th) | 02-28 (276th) | 03-07 (277th) | 03-14 (278th) | 03-21 (279th) | 03-28 (280th) |
|-|-|-|-|-|-|-|-|-|-|-|-|-|-|
-| [Kim Jong Feel](https://github.com/jongfeel/) | 
| | |
+| [Kim Jong Feel](https://github.com/jongfeel/) | | | | |
+| [최지윤](https://github.com/chichoon) | book 16/20 | 
book 17/20 | book 18/20 | book 19/20 |
+| [LeeDaYeon](https://github.com/ErigoLee/) | book 3/20 | | | book 4/20 |
+| [TaeWon](https://github.com/ytw9699/) | | | | book 15/20 |
| [Yeshin Lee](https://github.com/yeslee-v/) | book 19/20 | book 20/20 | book 1/20 |
-| [최지윤](https://github.com/chichoon) | book 16/20 | book 17/20 | book 18/20 |
| [Daewon Paeng](https://github.com/fora22/) | | book 1/20 |
-| [LeeDaYeon](https://github.com/ErigoLee/) | book 3/20 |
-| [TaeWon](https://github.com/ytw9699/) | | | |
### 2025 4Q, 10-04 (255th) ~ 12-27 (267th)