diff --git a/docs/architecture/cache-breakdown-avalanche-penetration.md b/docs/architecture/cache/cache-breakdown-avalanche-penetration.md
similarity index 100%
rename from docs/architecture/cache-breakdown-avalanche-penetration.md
rename to docs/architecture/cache/cache-breakdown-avalanche-penetration.md
diff --git a/docs/architecture/cache.md b/docs/architecture/cache/index.md
similarity index 100%
rename from docs/architecture/cache.md
rename to docs/architecture/cache/index.md
diff --git a/mkdocs.yml b/mkdocs.yml
index aeae2a3..c73f137 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -84,7 +84,8 @@ nav:
     - project/index.md
   - 架构:
     - architecture/index.md
-    - 缓存: architecture/cache.md
-    - 缓存击穿雪崩穿透: architecture/cache-breakdown-avalanche-penetration.md
+    - 缓存:
+      - architecture/cache/index.md
+      - 缓存击穿雪崩穿透: architecture/cache/cache-breakdown-avalanche-penetration.md
   - 算法:
     - algorithm/index.md