diff --git a/src/components/Form/src/components/ApiCascader.vue b/src/components/Form/src/components/ApiCascader.vue
index cecf1d748..7c37da5d5 100644
--- a/src/components/Form/src/components/ApiCascader.vue
+++ b/src/components/Form/src/components/ApiCascader.vue
@@ -46,7 +46,7 @@
type: Array,
},
api: {
- type: Function as PropType<(arg?: any) => Promise