diff --git a/src/components/Tree/src/types/tree.ts b/src/components/Tree/src/types/tree.ts
index 994434b83..8988d5986 100644
--- a/src/components/Tree/src/types/tree.ts
+++ b/src/components/Tree/src/types/tree.ts
@@ -105,7 +105,7 @@ export const treeProps = buildProps({
   },
 
   beforeRightClick: {
-    type: Function as PropType<(...arg: any) => ContextMenuItem[] | ContextMenuOptions>,
+    type: Function as PropType<(...arg: any) => Promise<ContextMenuItem[] | ContextMenuOptions>>,
     default: undefined,
   },