diff --git a/packages/components/radio/__tests__/radio.test.tsx b/packages/components/radio/__tests__/radio.test.tsx
index 331164779c..3392a87d7c 100644
--- a/packages/components/radio/__tests__/radio.test.tsx
+++ b/packages/components/radio/__tests__/radio.test.tsx
@@ -379,5 +379,13 @@ describe('Radio Button', () => {
       expect(radioGroup2.attributes()['aria-label']).toBe('Bar')
       expect(radioGroup2.attributes()['aria-labelledby']).toBeFalsy()
     })
+
+    test('value is number change event need checked', async () => {
+      const radio = ref(1)
+      const wrapper = mount(() => <Radio v-model={radio.value} label="1" />)
+      expect(wrapper.classes()).not.toContain('is-checked')
+      await wrapper.trigger('click')
+      expect(wrapper.classes()).toContain('is-checked')
+    })
   })
 })
diff --git a/packages/components/radio/src/radio.vue b/packages/components/radio/src/radio.vue
index cce65b0a9c..40dc609ae5 100644
--- a/packages/components/radio/src/radio.vue
+++ b/packages/components/radio/src/radio.vue
@@ -23,6 +23,7 @@
         :value="actualValue"
         :name="name || radioGroup?.name"
         :disabled="disabled"
+        :checked="modelValue === actualValue"
         type="radio"
         @focus="focus = true"
         @blur="focus = false"