diff --git a/docs/collocation/pages.md b/docs/collocation/pages.md
index 5b46d5464357909e871d87f7590f40ba86924e21..d5a164417ec1dcf252490b52591d5c330ec07127 100644
--- a/docs/collocation/pages.md
+++ b/docs/collocation/pages.md
@@ -223,7 +223,7 @@ uni-app 2.9+ 新增 leftWindow, topWindow, rightWindow 配置。用于解决宽
 
 通过matchMedia的调节，可以自适应在不同屏幕上显示指定的window。
 
-```javascript
+```json
 {
   "pages": [
     {