diff --git a/problems/链表总结篇.md b/problems/链表总结篇.md
index 33ce31d5..a6b6228b 100644
--- a/problems/链表总结篇.md
+++ b/problems/链表总结篇.md
@@ -1,6 +1,6 @@
 <p align="center">
 <a href="https://www.aliyun.com/minisite/goods?taskPkg=1111ydsrwb&pkgSid=1959&recordId=962642&userCode=roof0wob" target="_blank">
-    <img src="https://code-thinking-1253855093.file.myqcloud.com/pics/20211111014019.png" width="1000"/>
+    <img src="https://code-thinking.cdn.bcebos.com/pics/20211111014019.png" width="1000"/>
 </a>