diff --git a/docs/collocation/pages.md b/docs/collocation/pages.md
index 9a0ced2036c0366448050f7ecbccf172e614060a..21ee794180d036c99c303efad31c8d1aa5ac1ec4 100644
--- a/docs/collocation/pages.md
+++ b/docs/collocation/pages.md
@@ -226,6 +226,9 @@ uni-app 2.9+ 新增 leftWindow, topWindow, rightWindow 配置。用于解决宽
 
 与[topWindow](/collocation/pages?id=topwindow)相同
 
+窗口通信参考：[https://uniapp.dcloud.net.cn/api/window/communication](https://uniapp.dcloud.net.cn/api/window/communication)
+
+
 # pages
 
 `uni-app` 通过 pages 节点配置应用由哪些页面组成，pages 节点接收一个数组，数组每个项都是一个对象，其属性值如下：