diff --git a/test/fixtures/modelDNE/index.tsx b/test/fixtures/modelDoNotExist/index.tsx
similarity index 100%
rename from test/fixtures/modelDNE/index.tsx
rename to test/fixtures/modelDoNotExist/index.tsx
diff --git a/test/fixtures/modelDNE/test.js b/test/fixtures/modelDoNotExist/test.js
similarity index 100%
rename from test/fixtures/modelDNE/test.js
rename to test/fixtures/modelDoNotExist/test.js
diff --git a/test/fixtures/modelWithSelector/index.tsx b/test/fixtures/modelWithSelector/index.tsx
index f8f6162..4b30eab 100644
--- a/test/fixtures/modelWithSelector/index.tsx
+++ b/test/fixtures/modelWithSelector/index.tsx
@@ -1,9 +1,26 @@
-import React from 'react';
+import React, { useEffect } from 'react';
 import { useModel } from './.umi/useModel';
 
-export default () => {
-  const { isAdult, name } = useModel('user', user => ({ name: user.name, isAdult: user.age > 18 }));
+export default (props) => {
+  const { isAdult, name, dispatch } = useModel(
+    'user',
+    user => ({ name: user[0].name, isAdult: user[0].age > 18, dispatch: user[1] }),
+  );
+  useEffect(() => {
+    props.onUpdate();
+  });
   return (<>
     <h2 data-testid="user">{name} is {isAdult ? 'an adult' : 'a teen'}</h2>
+    <button onClick={() => {
+      dispatch({
+        type: 'changeGender',
+      });
+    }}>changeGender</button>
+    <button onClick={() => {
+      dispatch({
+        type: 'setAge',
+        payload: 5,
+      });
+    }}>increaseAge</button>
   </>);
 }
diff --git a/test/fixtures/modelWithSelector/models/user.js b/test/fixtures/modelWithSelector/models/user.js
index bcddc54..5be71c7 100644
--- a/test/fixtures/modelWithSelector/models/user.js
+++ b/test/fixtures/modelWithSelector/models/user.js
@@ -1,11 +1,31 @@
-import { useState } from 'react';
+import { useReducer } from 'react';
 
 export default () => {
-  return {
+  function reducer(state, action) {
+    switch (action.type) {
+      case 'changeGender':
+        return {
+          ...state,
+          gender: state.gender === 'male' ? 'female' : 'male',
+        };
+      case 'setAge':
+        return {
+          ...state,
+          age: action.payload,
+        };
+      default:
+        break;
+    }
+  }
+  const [data, dispatch] = useReducer(reducer, {
     name: 'Troy',
     email: 'troy.lty@alipay.com',
     gender: 'male',
     height: '6\'2',
     age: 24,
-  }
+  });
+  return [
+    data,
+    dispatch,
+  ];
 }
diff --git a/test/fixtures/modelWithSelector/test.js b/test/fixtures/modelWithSelector/test.js
index 7341b5f..7477475 100644
--- a/test/fixtures/modelWithSelector/test.js
+++ b/test/fixtures/modelWithSelector/test.js
@@ -1,4 +1,9 @@
 
-export default async function ({ getByTestId }) {
+export default async function ({ getByTestId, getByText, fireEvent, context }) {
   expect(getByTestId('user').innerHTML).toEqual('Troy is an adult');
+  expect(context.updateCount).toEqual(1);
+  fireEvent.click(getByText(/changeGender/));
+  expect(context.updateCount).toEqual(1);
+  fireEvent.click(getByText(/increaseAge/));
+  expect(context.updateCount).toEqual(2);
 }
diff --git a/test/index.test.tsx b/test/index.test.tsx
index 46dbbd3..6afd53f 100644
--- a/test/index.test.tsx
+++ b/test/index.test.tsx
@@ -31,13 +31,19 @@ readdirSync(fixtures)
     test(file, async () => {
       const Provider = require(providerPath).default;
       const App = require(join(fixture, 'index.tsx')).default;
+      const context = {
+        updateCount: 0,
+      };
       const renderRet = render(
-        <Provider><App /></Provider>
+        <Provider><App onUpdate={() => {
+          context.updateCount += 1;
+        }} /></Provider>
       );
       await require(join(fixture, 'test.js')).default({
         ...renderRet,
         fireEvent,
         delay,
+        context,
       });
     });
   });