diff --git a/.DS_Store b/.DS_Store
index e64bb2a..4e7ebbd 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/README.md b/README.md
index 89f9fc3..3256394 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@
+另外如果你需要 C++ 项目的话,可以看下这些项目介绍 [www.chengxuchu.com/cppcamp.html](https://www.chengxuchu.com/cppcamp.html)
---
### 📢 数据结构(前置知识)
diff --git a/animation-simulation/缓存淘汰算法/LFU.md b/animation-simulation/缓存淘汰算法/LFU.md
new file mode 100644
index 0000000..e69de29
diff --git a/animation-simulation/缓存淘汰算法/LRU.md b/animation-simulation/缓存淘汰算法/LRU.md
new file mode 100644
index 0000000..e69de29