diff --git a/docs/architecture/cache/index.md b/docs/architecture/cache/index.md
deleted file mode 100644
index c56342a..0000000
--- a/docs/architecture/cache/index.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# 缓存
-
-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。
-
-本分类聚焦缓存架构中的典型问题与解决方案：
-
-- [缓存击穿](cache-breakdown.md) — 热 key 过期瞬间的并发涌入
-- [缓存雪崩](cache-avalanche.md) — 大面积 key 同时失效
-- [缓存穿透](cache-penetration.md) — 查不存在的数据绕过缓存
diff --git a/mkdocs.yml b/mkdocs.yml
index 6bbdbd1..e33c16c 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -89,7 +89,6 @@ nav:
   - 架构:
     - architecture/index.md
     - 缓存:
-      - architecture/cache/index.md
       - 缓存击穿: architecture/cache/cache-breakdown.md
       - 缓存雪崩: architecture/cache/cache-avalanche.md
       - 缓存穿透: architecture/cache/cache-penetration.md