diff --git a/components/layout/index.en-US.md b/components/layout/index.en-US.md
index 4ef3260a35..4a5a4bfc37 100644
--- a/components/layout/index.en-US.md
+++ b/components/layout/index.en-US.md
@@ -103,9 +103,10 @@ The sidebar.
 ```js
 {
   xs: '480px',
-  sm: '768px',
-  md: '992px',
-  lg: '1200px',
-  xl: '1600px',
+  sm: '576px',
+  md: '768px',
+  lg: '992px',
+  xl: '1200px',
+  xxl: '1600px',
 }
 ```
diff --git a/components/layout/index.zh-CN.md b/components/layout/index.zh-CN.md
index df4c5e86ce..4204ad38f3 100644
--- a/components/layout/index.zh-CN.md
+++ b/components/layout/index.zh-CN.md
@@ -104,9 +104,10 @@ title: Layout
 ```js
 {
   xs: '480px',
-  sm: '768px',
-  md: '992px',
-  lg: '1200px',
-  xl: '1600px',
+  sm: '576px',
+  md: '768px',
+  lg: '992px',
+  xl: '1200px',
+  xxl: '1600px',
 }
 ```