diff --git a/example/rematch-tsx/package.json b/example/rematch-tsx/package.json
index 72174b59..0292b440 100644
--- a/example/rematch-tsx/package.json
+++ b/example/rematch-tsx/package.json
@@ -22,7 +22,7 @@
     "react-dynamic-loadable": "~3.0.0",
     "react-redux": "~7.2.8",
     "react-router-dom": "~6.3.0",
-    "uiw": "~4.21.0"
+    "uiw": "^4.21.17"
   },
   "devDependencies": {
     "@kkt/less-modules": "^7.2.0",
diff --git a/example/rematch-tsx/src/pages/login/index.tsx b/example/rematch-tsx/src/pages/login/index.tsx
index a065a09d..e7561cc2 100644
--- a/example/rematch-tsx/src/pages/login/index.tsx
+++ b/example/rematch-tsx/src/pages/login/index.tsx
@@ -85,7 +85,7 @@ export default function Login() {
             },
           }}
         >
-          {({ fields, canSubmit }) => {
+          {({ fields = {}, canSubmit }) => {
             return (
               <>
                 <Row>
@@ -102,7 +102,7 @@ export default function Login() {
                 </Row>
                 <Row>
                   <Col>
-                    <Button loading={!!loading} disabled={!canSubmit()} block type="dark" htmlType="submit">
+                    <Button loading={!!loading} disabled={!canSubmit!()} block type="dark" htmlType="submit">
                       登录
                     </Button>
                   </Col>