diff --git a/src/OptionList.tsx b/src/OptionList.tsx
index 2d5aecda..61810ddc 100644
--- a/src/OptionList.tsx
+++ b/src/OptionList.tsx
@@ -175,15 +175,15 @@ const OptionList: React.ForwardRefRenderFunction<ReviseRefOptionListProps> = (_,
     resetCache();
   }, [checkedKeys, maxCount]);
 
-  const getSelectableKeys = (targetNode: DataNode, fieldNames: FieldNames): Key[] => {
-    const keys = [targetNode[fieldNames.value]];
+  const getSelectableKeys = (targetNode: DataNode, names: FieldNames): Key[] => {
+    const keys = [targetNode[names.value]];
     if (!Array.isArray(targetNode.children)) {
       return keys;
     }
 
     return targetNode.children.reduce((acc, child) => {
       if (!child.disabled) {
-        acc.push(...getSelectableKeys(child, fieldNames));
+        acc.push(...getSelectableKeys(child, names));
       }
       return acc;
     }, keys);
diff --git a/src/TreeSelectContext.ts b/src/TreeSelectContext.ts
index c1a7f042..82480262 100644
--- a/src/TreeSelectContext.ts
+++ b/src/TreeSelectContext.ts
@@ -1,6 +1,6 @@
 import * as React from 'react';
 import type { ExpandAction } from 'rc-tree/lib/Tree';
-import type { DataNode, FieldNames, Key, LabeledValueType } from './interface';
+import type { DataNode, FieldNames, Key } from './interface';
 import { CheckedStrategy } from './utils/strategyUtil';
 
 export interface TreeSelectContextProps {