diff --git a/components/table/index.md b/components/table/index.md
index baf7ccfc9f..a10b469e5e 100644
--- a/components/table/index.md
+++ b/components/table/index.md
@@ -42,7 +42,7 @@ const columns = [{
 }, {
   title: '住址',
   dataIndex: 'address',
-  key: 'age',
+  key: 'address',
 }];
 
 <Table dataSource={dataSource} columns={columns} />