diff --git a/src/Table.tsx b/src/Table.tsx
index 9681ee305..0df0794e3 100644
--- a/src/Table.tsx
+++ b/src/Table.tsx
@@ -92,7 +92,7 @@ export interface TableProps<RecordType = unknown>
   children?: React.ReactNode;
   data?: readonly RecordType[];
   columns?: ColumnsType<RecordType>;
-  rowKey?: (string & {}) | keyof RecordType | GetRowKey<RecordType>;
+  rowKey?: string | keyof RecordType | GetRowKey<RecordType>;
   tableLayout?: TableLayout;
 
   // Fixed Columns
diff --git a/src/hooks/useExpand.ts b/src/hooks/useExpand.ts
index d75df4ef0..98cf664a3 100644
--- a/src/hooks/useExpand.ts
+++ b/src/hooks/useExpand.ts
@@ -14,7 +14,7 @@ import { findAllChildrenKeys, renderExpandIcon } from '../utils/expandUtil';
 import { getExpandableProps } from '../utils/legacyUtil';
 
 export default function useExpand<RecordType>(
-  props: TableProps,
+  props: TableProps<RecordType>,
   mergedData: readonly RecordType[],
   getRowKey: GetRowKey<RecordType>,
 ): [