diff --git a/contexts/Promotion.tsx b/contexts/Promotion.tsx
index d05c07d9..60f6492d 100644
--- a/contexts/Promotion.tsx
+++ b/contexts/Promotion.tsx
@@ -46,7 +46,7 @@ enum PromotionType {
 const promotionConfigs = {
   [PromotionType.LearningMarathon]: {
     texts: [
-      "✨「島島盃 -  2025 春季學習馬拉松」開跑啦！1/19 截止申請！✨",
+      "✨「島島盃 -  2025 春季學習馬拉松」開跑啦！1/24 截止申請！✨",
       "✨參加學習馬拉松，一起為自己重新打造喜歡的學習生活吧！✨",
       "✨申請學習馬拉松，即可試用最新個人化功能輔助學習唷！✨",
     ],
diff --git a/pages/learning-marathon/index.jsx b/pages/learning-marathon/index.jsx
index 5ad198be..7b9e579f 100644
--- a/pages/learning-marathon/index.jsx
+++ b/pages/learning-marathon/index.jsx
@@ -55,7 +55,7 @@ const StyledBannerButton = styled(Button)`
 
   @media (max-width: 767px) {
     &.MuiButton-root {
-      top: calc(100vw / 1.434);
+      top: calc(100vw / 1.25);
     }
   }
 `;
diff --git a/public/assets/learning-marathon/2025S1-desktop-bg.png b/public/assets/learning-marathon/2025S1-desktop-bg.png
index efb4aa3e..67546256 100644
Binary files a/public/assets/learning-marathon/2025S1-desktop-bg.png and b/public/assets/learning-marathon/2025S1-desktop-bg.png differ
diff --git a/public/assets/learning-marathon/2025S1-mobile@2x.png b/public/assets/learning-marathon/2025S1-mobile@2x.png
index 0c46dac7..371bbdcd 100644
Binary files a/public/assets/learning-marathon/2025S1-mobile@2x.png and b/public/assets/learning-marathon/2025S1-mobile@2x.png differ