feat: 优化 ddemo

Author: crazyair

docs/examples/row-hoverable.tsx

@@ -10,14 +10,9 @@ interface RecordType {
 const data = [{ a: 'A' }, { a: 'B' }, { a: 'C' }];
 
 const Demo = () => {
-  const columns: TableProps<any>['columns'] = [
-    {
-      title: 'title',
-      dataIndex: 'a',
-    },
-  ];
+  const columns: TableProps<RecordType>['columns'] = [{ title: 'title', dataIndex: 'a' }];
 
-  return <Table<RecordType> columns={columns} data={data} rowHoverable={false} />;
+  return <Table columns={columns} data={data} rowHoverable={false} />;
 };
 
 export default Demo;