diff --git a/pages/composition-api/basic/define-model/Foo.uvue b/pages/composition-api/basic/define-model/Foo.uvue
index d41a937cda23e3eb0bc705f3d45061d96e6a56e6..3576249b42a2776cfc0c6f942b9310bfc0fdd792 100644
--- a/pages/composition-api/basic/define-model/Foo.uvue
+++ b/pages/composition-api/basic/define-model/Foo.uvue
@@ -2,6 +2,7 @@
   <view>
     <text id="model-value-text">modelValue in Foo: {{modelValue}}</text>
     <text class='uni-common-mt' id="msg-text">msg in Foo: {{msg}}</text>
+    <text class='uni-common-mt' id="default-num-text">num: {{defaultNum}}</text>
     <button class='uni-common-mt' id="update-value-btn" @click='updateValue'>update value</button>
   </view>
 </template>
@@ -11,7 +12,8 @@
   const modelValue = defineModel({ type: String })
 
   // 在被修改时，触发 "update:msg" 事件
-  const msg = defineModel('msg', { type: String })
+  const msg = defineModel('msg', { type: String, default: 'default msg' })
+  const defaultNum = defineModel('num', { type: Number, default: 10 })
 
   const updateValue = () => {
     modelValue.value += '1'
diff --git a/pages/composition-api/basic/define-model/define-model.test.js b/pages/composition-api/basic/define-model/define-model.test.js
index 58607dd57706d9c52a04de4fd78093ca6a4d05dd..95c203551812ec6b05a4545ffdba3114598b0db8 100644
--- a/pages/composition-api/basic/define-model/define-model.test.js
+++ b/pages/composition-api/basic/define-model/define-model.test.js
@@ -20,8 +20,11 @@ describe('defineModel', () => {
     const modelValueInput = await page.$('#model-value-input')
     expect(await modelValueInput.property('value')).toBe('str')
 
-    const msgText = await page.$('#msg-text')
-    expect(await msgText.text()).toBe('msg in Foo: msg')
+    const msgText = await page.$('#msg-text')
+    expect(await msgText.text()).toBe('msg in Foo: msg')
+    
+    const defaultNumText = await page.$('#default-num-text')
+    expect(await defaultNumText.text()).toBe('num: 10')
 
     const msgInput = await page.$('#msg-input')
     expect(await msgInput.property('value')).toBe('msg')