[Select]: Option value 为0时 表单验证会提示未提交

[xingyuefeng]

<Select>
     <Select.Option value="0">Choose an item...</Select.Option>
     <Select.Option value="1">One</Select.Option>
     <Select.Option value="2">Two</Select.Option>
    <Select.Option value="3">Three</Select.Option>
     <Select.Option value="4">Four</Select.Option>
</Select>

选择第一个value为0的枚举 表单验证会提示请提交