diff --git a/components/table/__tests__/__snapshots__/demo.test.js.snap b/components/table/__tests__/__snapshots__/demo.test.js.snap
index d596ea15dd..bb85d600d7 100644
--- a/components/table/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/table/__tests__/__snapshots__/demo.test.js.snap
@@ -2155,7 +2155,7 @@ exports[`test renders ./components/table/demo/edit-row.md correctly 1`] = `
 
 exports[`test renders ./components/table/demo/expand.md correctly 1`] = `
 <div
-  class="table clearfix">
+  class=" clearfix">
   <div
     class="ant-spin-nested-loading">
     <div
diff --git a/components/table/demo/expand.md b/components/table/demo/expand.md
index 020d3dbf6b..3049c34abe 100644
--- a/components/table/demo/expand.md
+++ b/components/table/demo/expand.md
@@ -34,7 +34,6 @@ ReactDOM.render(
     columns={columns}
     expandedRowRender={record => <p>{record.description}</p>}
     dataSource={data}
-    className="table"
   />
 , mountNode);
 ````