diff --git a/zh_CN/SUMMARY.md b/zh_CN/SUMMARY.md
index b909ad5..20eee29 100644
--- a/zh_CN/SUMMARY.md
+++ b/zh_CN/SUMMARY.md
@@ -23,9 +23,10 @@
   * [标注回复](guides/application-design/annotation-reply.md)
   * [敏感内容审查](guides/application-design/moderation-tool.md)
   * [扩展外部能力](guides/application-design/extension/README.md)
-    * [API 扩展](guides/application-design/extension/api\_based\_extension/README.md)
-      * [外部数据工具](guides/application-design/extension/api\_based\_extension/external\_data\_tool.md)
-      * [敏感内容审查](guides/application-design/extension/api\_based\_extension/moderation.md)
+    * [API 扩展](guides/application-design/extension/api_based_extension/README.md)
+      * [外部数据工具](guides/application-design/extension/api_based_extension/external_data_tool.md)
+      * [使用 Cloudflare Workers 部署 API Tools](guides/application-design/extension/api_based_extension/cloudflare_workers.md)
+      * [敏感内容审查](guides/application-design/extension/api_based_extension/moderation.md)
     * [代码扩展](guides/application-design/extension/code\_based\_extension/README.md)
       * [外部数据工具](guides/application-design/extension/code\_based\_extension/external\_data\_tool.md)
       * [敏感内容审查](guides/application-design/extension/code\_based\_extension/moderation.md)