• I have searched the issues of this repository and believe that this is not a duplicate.

Version

3.2.14

Environment

window11

Reproduction link

<a-form-item label="生日:" name="birthday">
 <a-date-picker v-model:value="formData.birthday" value-format="YYYY-MM-DD" />
</a-form-item>

const formRef = ref();

let formData = ref({});

const formRules = {
birthday: [{ required: true, trigger: "change", message: "选择生日!" }],
};

const layout = {

labelCol: {
span: 3,
},
]
wrapperCol: {
span: 21,
},

};

Steps to reproduce

选择999年日期点击确定在打开日期组建

What is expected?

999-01-01

What is actually happening?

NaN