diff --git a/notes/25. 合并两个排序的链表.md b/notes/25. 合并两个排序的链表.md
index 93472516..a664c659 100644
--- a/notes/25. 合并两个排序的链表.md	
+++ b/notes/25. 合并两个排序的链表.md	
@@ -4,7 +4,7 @@
 
 ## 题目描述
 
-<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/c094d2bc-ec75-444b-af77-d369dfb6b3b4.png" width="400"/> </div><br>
+<div align="center"> <img src="pics/offer25-merge-lists.png" width="600px"/> </div><br>
 
 ## 解题思路
 
diff --git a/notes/pics/offer25-merge-lists.png b/notes/pics/offer25-merge-lists.png
new file mode 100644
index 00000000..c151bacc
Binary files /dev/null and b/notes/pics/offer25-merge-lists.png differ