diff --git a/packages/react/src/hooks/useFieldSchema.ts b/packages/react/src/hooks/useFieldSchema.ts
index b0b7c8f6da0..5395a630996 100644
--- a/packages/react/src/hooks/useFieldSchema.ts
+++ b/packages/react/src/hooks/useFieldSchema.ts
@@ -1,6 +1,7 @@
 import { useContext } from 'react'
 import { SchemaContext } from '../shared'
+import { Schema } from '@formily/json-schema'
 
-export const useFieldSchema = () => {
+export const useFieldSchema = (): Schema => {
   return useContext(SchemaContext)
 }