diff --git a/docs/architecture/cache.md b/docs/architecture/cache.md
new file mode 100644
index 0000000..a8c9296
--- /dev/null
+++ b/docs/architecture/cache.md
@@ -0,0 +1,4 @@
+# 缓存
+
+!!! note "💡 一句话概述"
+    缓存是提升系统性能的核心手段，通过在高速存储中保留热点数据来减少访问延迟。
diff --git a/mkdocs.yml b/mkdocs.yml
index 127adeb..4f08d5a 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -84,5 +84,6 @@ nav:
     - project/index.md
   - 架构:
     - architecture/index.md
+    - 缓存: architecture/cache.md
   - 算法:
     - algorithm/index.md