【报Bug】基座运行video组件，切换全屏卡死

示例代码：

<template>  
  <view>  
    <view class="video-container">  
      <view>  
        <video id="myVideo" :src="src" controls class="video-dom" :direction="-90" :play-strategy="2"  
          :vslide-gesture-in-fullscreen="false" :style="{  
            width: size.width,  
            height: size.height  
          }" @error="videoErrorCallback" @fullscreenchange="handleFullScreen">  
          <!-- #ifdef APP-PLUS -->  
          <cover-view style="position:relative">  
            <view class="top-bar">  
              <text class="back-btn" @click="exitFullScreen">&#8810;</text>  
              <text v-if="!showDanmu" class="danmu-btn-hide" @click="showDanmu = !showDanmu">弹幕</text>  
              <text v-if="showDanmu" class="danmu-btn-show" @click="showDanmu = !showDanmu">弹幕</text>  
            </view>  
            <!-- <danmu ref="danmuRef"></danmu> -->  
          </cover-view>  
          <!-- #endif -->  

          <!--wx小程序另外布局，使用view-->  
          <!-- #ifdef MP-WEIXIN -->  
          <view class="danmu-bar">  
            <view v-if="!showDanmu" class="danmu-btn-hide" @click="showDanmu = !showDanmu">弹幕</view>  
            <view v-if="showDanmu" class="danmu-btn-show" @click="showDanmu = !showDanmu">弹幕</view>  
          </view>  
          <!-- #endif -->  
        </video>  
      </view>  

      <!-- #ifndef MP-ALIPAY -->  
      <view>  
        <view class="uni-list-cell">  
          <view>  
            <view class="uni-label">弹幕内容</view>  
          </view>  
          <view class="uni-list-cell-db">  
            <input v-model="danmuValue" class="uni-input" type="text" placeholder="在此处输入弹幕内容" />  
          </view>  
        </view>  
      </view>  
      <view class="uni-btn-v">  
        <button @click="sendDanmu" class="page-body-button">发送弹幕</button>  
      </view>  
      <!-- #endif -->  
    </view>  
  </view>  
</template>  
<script>  
import danmu from './danmu.vue'  
export default {  
  components: {  
    danmu  
  },  
  props: {  
    size: {//区域高宽  
      type: Object,  
      default: () => {  
        return {  
          width: '750rpx',  
          height: '250px'  
        }  
      }  
    },  
    showFullscreenBtn: {//是否显示全屏按钮    
      type: Boolean,  
      default: true  
    }  
  },  
  data() {  
    return {  
      platform: '',//平台  
      videoContext: null,//视频实例  
      isFullScreen: false,  
      showDanmu: false,  
      title: '拒绝模式单一！多系统功能小主机分享',  
      src: 'https://img.cdn.aliyun.dcloud.net.cn/guide/uniapp/%E7%AC%AC1%E8%AE%B2%EF%BC%88uni-app%E4%BA%A7%E5%93%81%E4%BB%8B%E7%BB%8D%EF%BC%89-%20DCloud%E5%AE%98%E6%96%B9%E8%A7%86%E9%A2%91%E6%95%99%E7%A8%8B@20200317.mp4',  

      danmuList: [  
        { text: '我就算从这跳下去', color: '#fff', time: 1, avatar: '../../static/avatar.png' },  
        { text: '密集恐惧症患者', color: '#fff', time: 2, avatar: '../../static/avatar.png' },  
        { text: '也不会吃你一口小龙虾', color: '#fff', time: 103, avatar: '../../static/avatar.png' },  
        { text: '也不会吃你一口小龙虾', color: '#fff', time: 104, avatar: '../../static/avatar.png' },  
        { text: '也不会吃你一口小龙虾', color: '#fff', time: 105, avatar: '../../static/avatar.png' },  
        { text: '也不会吃你一口小龙虾', color: '#fff', time: 106, avatar: '../../static/avatar.png' },  
        { text: '也不会吃你一口小龙虾', color: '#fff', time: 107, avatar: '../../static/avatar.png' },  
        { text: '真香!!!', color: '#fff', time: 111, avatar: '../../static/avatar.png' },  
        { text: '真香！！！！！', color: '#fff', time: 114 },  
        { text: '真香！！！', color: '#fff', time: 118 },  
        { text: '前方高能!!!', color: '#fff', time: 123, avatar: '../../static/avatar.png' },  
      ],  
      danmuValue: ''  
    }  
  },  
  created: function (res) {  
    // #ifndef MP-ALIPAY  
    this.videoContext = uni.createVideoContext('myVideo')  
    // #endif  

    uni.getSystemInfo({  
      success: (e) => {  
        // #ifndef MP  
        this.platform = e.platform  
        // #endif  
      }  
    })  
  },  
  methods: {  
    handleFullScreen(e) {  
      if (e.detail.fullScreen) {  
        this.isFullScreen = true;  
      }  
      else {  
        this.isFullScreen = false;  
      }  
    },  
    //点击退出全屏  
    exitFullScreen() {  
      this.videoContext.exitFullScreen();  
      this.isFullScreen = false;  
    },  
    sendDanmu: function () {  
      this.$refs.danmuRef.add({ item: '也不会吃你一口小龙虾也不会吃你一口小龙虾也不会吃你一口小龙虾' });  
      this.danmuValue = '';  
    },  
    videoErrorCallback: function (e) {  
      uni.showModal({  
        content: e.target.errMsg,  
        showCancel: false  
      })  
    },  
    getRandomColor: function () {  
      const rgb = []  
      for (let i = 0; i < 3; ++i) {  
        let color = Math.floor(Math.random() * 256).toString(16)  
        color = color.length == 1 ? '0' + color : color  
        rgb.push(color)  
      }  
      return '#' + rgb.join('')  
    }  
  }  
}  
</script>  

<style lang="scss" scoped>  
.video-dom {  
  position: relative;  
}  

.top-bar {  
  /* #ifndef APP-PLUS-NVUE */  
  display: flex;  
  /* #endif*/  
  flex-direction: row;  
  justify-content: space-between;  
  align-items: center;  
  padding: 0 5px;  
  height: 30px;  
  background-color: rgba(0, 0, 0, 0.2);  
}  

.back-btn {  
  color: #fff;  
  font-size: 30px;  
  line-height: 30px;  
}  

.danmu-btn-hide {  
  padding: 0px 10px;  
  border: 1px solid #fff;  
  border-radius: 5px;  
  color: #fff;  
}  

.danmu-btn-show {  
  padding: 0px 10px;  
  border: 1px solid #a61473;  
  border-radius: 5px;  
  color: #a61473;  
}  

.danmu-bar {  
  position: absolute;  
  top: 45%;  
  right: 20px;  
}  
</style>  

操作步骤：

点击全屏，然后退出全屏，试多几次

预期结果：

切换顺滑

实际结果：

卡死，退出应用