Revert "fix"

This reverts commit 839d0dc.
sunjianqing · Dec 25, 2018 · 96e1d77 · 96e1d77
1 parent 48956d5
commit 96e1d77
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/components/table/Table.tsx b/components/table/Table.tsx
@@ -776,7 +776,7 @@ export default class Table<T> extends React.Component<TableProps<T>, TableState<
   }
 
   getColumnKey(column: ColumnProps<T>, index?: number) {
-    return column.key || (column.dataIndex as string) || index;
+    return column.key || column.dataIndex || index;
   }
 
   getMaxCurrent(total: number) {