diff --git a/packages/design/src/table/index.md b/packages/design/src/table/index.md
index 8f5803a73..77eb5ad05 100644
--- a/packages/design/src/table/index.md
+++ b/packages/design/src/table/index.md
@@ -24,6 +24,8 @@ nav:
 
 <code src="./demo/ellipsis.tsx" title="单元格自动省略" description="设置 `column.ellipsis` 可以让单元格内容根据宽度自动省略，并使用 Tooltip 展示全部内容。`说明`: 列头缩略暂不支持和排序筛选一起使用。"></code>
 
+<code src="./demo/edit-row.tsx" title="可编辑行" description="带行编辑功能的表格。"></code>
+
 <code src="./demo/dynamic-settings.tsx" title="动态控制表格属性" description="选择不同配置组合查看效果。"></code>
 
 ## API
diff --git a/packages/design/src/table/index.tsx b/packages/design/src/table/index.tsx
index 4fd880b04..40b401042 100644
--- a/packages/design/src/table/index.tsx
+++ b/packages/design/src/table/index.tsx
@@ -68,7 +68,7 @@ function Table<T>(props: TableProps<T>) {
   const [currentSelectedRows, setCurrentSelectedRows] = useState<any[]>([]);
   const [currentSelectedInfo, setCurrentSelectedInfo] = useState<any>({});
 
-  const newColumns = columns.map(item => {
+  const newColumns = columns?.map(item => {
     if (item.ellipsis) {
       return {
         ...item,