关于uni-app播放ftp视频

通过后台登录ftp获取到视频文件后，通过ServletOutputStream.flush()，返回到前端，h5 video标签能播放这个通过后台拿到的视频，uni-app 的原生 video 播放不了，而且以前旧版本2.7 开发时是可以播放的，现在2.8.8版本却不能播放了，是什么原因呢？
原生video返回错误：
{
"type": "error",
"detail": {},
"target": {
"id": "",
"dataset": {
"v-4c30927c": ""
},
"offsetLeft": 14,
"offsetTop": 14
},
"currentTarget": {
"id": "",
"dataset": {
"v-4c30927c": ""
},
"offsetLeft": 14,
"offsetTop": 14
},
"timeStamp": 0,
"mp": {
"@warning": "mp is deprecated",
"type": "error",
"detail": {},
"target": {
"id": "",
"dataset": {
"v-4c30927c": ""
},
"offsetLeft": 14,
"offsetTop": 14
},
"currentTarget": {
"id": "",
"dataset": {
"v-4c30927c": ""
},
"offsetLeft": 14,
"offsetTop": 14
},
"timeStamp": 0
},
"_processed": true
}