diff --git a/Stamp/README.md b/Stamp/README.md
index 8ed28ee..8a51d2a 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -27,9 +27,9 @@
 | Name | 10-05 (203th) | 10-12 (204th) | 10-19 (205th) | 10-26 (206th) | 11-02 (207th) | 11-09 (208th) | 11-16 (209th) | 11-23 (210th) | 11-30 (211th) | 12-07 (212th) | [12-14 (213th)](https://github.com/ThinkAboutSoftware/HomeComingDay/issues/50) | 12-21 (214th) | 12-28 (215th) |
 |-|-|-|-|-|-|-|-|-|-|-|-|-|-|
 | [Kim Jong Feel](https://github.com/jongfeel/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394861634"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408302199"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423474877"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439171873"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/389#issuecomment-2452791677"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465984684"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2480300277"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2506206706"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508794257"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524821860"><img src="approved.png"/></a> | 
-| [hyuncho](https://github.com/aquamagic9/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394849167"><img src="approved.png"/><img src="Starbucks_two_americano_two_cake.jpg"/>book 8/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408288607"><img src="approved.png"/>book 9/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423429801"><img src="approved.png"/><img src="approved.png"/>book 10/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/389#issuecomment-2452780376"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 11/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465969703"><img src="approved.png"/>book 12/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2480263655"><img src="approved.png"/>book 13/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2495189695"><img src="approved.png"/>book 14/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508774722"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 15/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508774722"><img src="approved.png"/><img src="approved.png"/>book 16/20</a> | 
-| [최지윤](https://github.com/chichoon) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394852171"><img src="approved.png"/>book 10/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408290344"><img src="approved.png"/>book 11/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423429295"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 12/20</a> | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479120185"><img src="approved.png"/>book 13/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479120185"><img src="approved.png"/>book 14/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524681914"><img src="approved.png"/>book 15/20</a>
-| [Yeshin Lee](https://github.com/yeslee-v/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2392842126"><img src="approved.png"/>book 20/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2407048804"><img src="approved.png"/>book 1/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439165767"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 2/20</a> | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465965281"><img src="approved.png"/>book 3/20</a> |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479073990"><img src="approved.png"/>book 4/20</a> |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2490966671"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 5/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2502166041"><img src="approved.png"/>book 6/20</a> | 
+| [hyuncho](https://github.com/aquamagic9/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394849167"><img src="approved.png"/><img src="Starbucks_two_americano_two_cake.jpg"/>book 8/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408288607"><img src="approved.png"/>book 9/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423429801"><img src="approved.png"/><img src="approved.png"/>book 10/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/389#issuecomment-2452780376"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 11/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465969703"><img src="approved.png"/>book 12/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2480263655"><img src="approved.png"/>book 13/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2495189695"><img src="approved.png"/>book 14/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508774722"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 15/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524742510"><img src="approved.png"/><img src="approved.png"/>book 16/20</a> | 
+| [최지윤](https://github.com/chichoon) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394852171"><img src="approved.png"/>book 10/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408290344"><img src="approved.png"/>book 11/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423429295"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 12/20</a> | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479120185"><img src="approved.png"/>book 13/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479120185"><img src="approved.png"/>book 14/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524681914"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 15/20</a>
+| [Yeshin Lee](https://github.com/yeslee-v/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2392842126"><img src="approved.png"/>book 20/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2407048804"><img src="approved.png"/>book 1/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439165767"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 2/20</a> | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465965281"><img src="approved.png"/>book 3/20</a> |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479073990"><img src="approved.png"/>book 4/20</a> |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2490966671"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 5/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2502166041"><img src="approved.png"/><img src="approved.png"/>book 6/20</a> | 
 | [Jaewoo Park](https://github.com/ohdair/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394847882"><img src="approved.png"/>book 9/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408289705"><img src="approved.png"/>book 10/20</a> | | | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465968954"><img src="approved.png"/>book 11/20</a> | | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465968954"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 12/20</a> | 
 | [Jeongan Lee](https://github.com/fkdl0048/) | | | | | | | | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465968954"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 3/20</a> | 
 | [진태영](https://github.com/jintaeyeong) | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439192200"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 4/20</a> |