diff --git a/src/pages/posts/PhoNBT2024.md b/src/pages/posts/PhoNBT2024.md
index c110aae..e401ce8 100644
--- a/src/pages/posts/PhoNBT2024.md
+++ b/src/pages/posts/PhoNBT2024.md
@@ -5,9 +5,7 @@ pubDate: 2024-06-18
 description: ' “时间之河滚滚而去，青春韶华转瞬即逝”'
 author: 'kongbai'
 cover:
-    url: 'https://oss.nbtca.space/blog/clas/YQL05614-5xNq3t-mid-ulLkGV.jpeg'
-    square: 'https://www.apple.com.cn/newsroom/images/values/environment/Apple-Earth-Day-India-mangrove-Alibaug-canoe_Full-Bleed-Image.jpg.large_2x.jpg'
-    alt: 'cover'
+  url: 'https://oss.nbtca.space/blog/clas/YQL05614-5xNq3t-mid-ulLkGV.jpeg'
 tags: ["活动","志愿者", "新闻稿", "影留宁理","摄影","毕业"]
 theme: 'white'
 featured: true
diff --git a/src/pages/posts/_assets/workSummary/IMG_0069.jpeg b/src/pages/posts/_assets/workSummary/IMG_0069.jpeg
new file mode 100644
index 0000000..ddce41c
Binary files /dev/null and b/src/pages/posts/_assets/workSummary/IMG_0069.jpeg differ
diff --git a/src/pages/posts/_assets/workSummary/IMG_0069.jpg b/src/pages/posts/_assets/workSummary/IMG_0069.jpg
deleted file mode 100755
index 25c4b72..0000000
Binary files a/src/pages/posts/_assets/workSummary/IMG_0069.jpg and /dev/null differ
diff --git a/src/pages/posts/coldCarefulFun.md b/src/pages/posts/coldCarefulFun.md
index c6dbe5a..06046fa 100644
--- a/src/pages/posts/coldCarefulFun.md
+++ b/src/pages/posts/coldCarefulFun.md
@@ -5,7 +5,7 @@ pubDate: 2024-10-15
 description: "活动的一些片段"
 author: "kongbai"
 cover:
-  url: ./_assets/post20241016/free_huaji.jpg
+  url: https://oss.nbtca.space/blog/free_huaji_0F7NMW.jpg
   alt: "cover"
 tags: ["活动"]
 ---
diff --git a/src/pages/posts/workSummary.md b/src/pages/posts/workSummary.md
index f84e995..e809091 100644
--- a/src/pages/posts/workSummary.md
+++ b/src/pages/posts/workSummary.md
@@ -5,7 +5,7 @@ pubDate: 2025-01-12
 description: ' 人类从历史中学到的唯一教训，就是人类无法从历史中学到任何教训'
 author: 'zzh0u'
 cover:
-  url: ./_assets/workSummary/IMG_0069.jpg
+  url: https://oss.nbtca.space/blog/IMG_0069_8xFcDr.jpeg
 tags: ["闲聊"]
 theme: 'white'
 featured: true