diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 4ba27fe009ff3..15b2997d95048 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -1,4 +1,4 @@
-name: Sync
+name: sync
 
 on:
   push:
diff --git a/README.md b/README.md
index 0ba21500caf79..386881ff65554 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <p align="center">
-  <a href="https://github.com/doocs/leetcode"><img src="https://cdn-doocs.oss-cn-shenzhen.aliyuncs.com/gh/doocs/leetcode@main/images/leetcode-doocs.png" alt="LeetCode-GitHub-Doocs"></a>
+  <a href="https://github.com/doocs/leetcode"><img src="https://fastly.jsdelivr.net/gh/doocs/leetcode@main/images/leetcode-doocs.png" alt="LeetCode-GitHub-Doocs"></a>
 </p>
 
 <p align="center">
@@ -230,7 +230,7 @@
 
 知名互联网科技博主 [@爱可可-爱生活](https://weibo.com/fly51fly) 微博推荐。
 
-<a href="https://weibo.com/fly51fly" target="_blank"><img src="https://cdn-doocs.oss-cn-shenzhen.aliyuncs.com/gh/doocs/leetcode@main/images/recommender-fly51fly.png"></a>
+<a href="https://weibo.com/fly51fly" target="_blank"><img src="https://fastly.jsdelivr.net/gh/doocs/leetcode@main/images/recommender-fly51fly.png"></a>
 
 ## 许可证
 
diff --git a/README_EN.md b/README_EN.md
index d99993f711b18..fabe527985ac5 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -1,5 +1,5 @@
 <p align="center">
-  <a href="https://github.com/doocs/leetcode"><img src="https://cdn-doocs.oss-cn-shenzhen.aliyuncs.com/gh/doocs/leetcode@main/images/leetcode-doocs.png" alt="LeetCode-GitHub-Doocs"></a>
+  <a href="https://github.com/doocs/leetcode"><img src="https://fastly.jsdelivr.net/gh/doocs/leetcode@main/images/leetcode-doocs.png" alt="LeetCode-GitHub-Doocs"></a>
 </p>
 
 <p align="center">