diff --git a/content/post/20240629-ext-project/index.en.md b/content/post/20240629-ext-project/index.en.md
index ec9a8d1..a605259 100644
--- a/content/post/20240629-ext-project/index.en.md
+++ b/content/post/20240629-ext-project/index.en.md
@@ -24,7 +24,9 @@ Name
 1. **ext**ended file system
 
 ## Season
-Monday, July 1, 2024 - Friday, July 12, 2024 (two weeks)
+~~Monday, July 1, 2024 - Friday, July 12, 2024 (two weeks)~~
+
+Changed: Thursday, July 16, 2024 - Monday, July 22, 2024 (a week)
 
 ## Details
 (Secret)
diff --git a/content/post/20240629-ext-project/index.ja.md b/content/post/20240629-ext-project/index.ja.md
index e92efa5..26bb34b 100644
--- a/content/post/20240629-ext-project/index.ja.md
+++ b/content/post/20240629-ext-project/index.ja.md
@@ -24,7 +24,9 @@ tags:
 1. **ext**ended file system - Linux フォーマット形式
 
 ## 時期
-2024/7/1 (月) - 2024/7/12 (金) (2週間)
+~~2024/7/1 (月) - 2024/7/12 (金) (2週間)~~
+
+変更: 2024/7/16 (火) - 2024/7/22 (月) (1週間)
 
 ## 詳細
 (秘匿)