<picker
    mode="date"
    value="{{ date }}"
    end="{{ end }}"
    fields="{{ fields }}"
    bindchange="changeDate">
    <view class="picker">
      当前选择: {{date}}
    </view>
  </picker>

data() {
    fields: 'day',
    end: '2023-05-30',
    date: '2023-05-29'
}

methods: {
  changeDate(e) {
    this.setData({
      date: e.detail.value
    })

}

真机正常，只在开发者工具能复现

调试基础库：2.32.0