请教下云点播获取视频信息 在线API调试可以返回视频封面CoverURL字段 在自己后台没有这个字段

请教下云点播获取视频信息 在线API调试可以返回视频封面CoverURL字段 奇怪的事 集成sdk到自己的后台 调用接口没有返回这个封面字段 tp框架 其他调用都是正常

Video: {Status: "UploadSucc", ModifyTime: "2021-02-23 21:44:04",js

VideoId: "b9876197ccf843199f3f5e4917867498",…}
AppId: "app-1000000"
AuditStatus: "Init"
CreateTime: "2021-02-23 21:43:09"
CreationTime: "2021-02-23T13:43:09Z"
DownloadSwitch: "on"
Duration: 0
ModificationTime: "2021-02-23T13:44:04Z"
ModifyTime: "2021-02-23 21:44:04"
PreprocessStatus: "UnPreprocess"
RegionId: "cn-shanghai"
Size: 7642851
Snapshots: {Snapshot: []}
Snapshot: []
Status: "UploadSucc"
StorageLocation: "outin-66ebafb0726411ebae8900163e1a625e.oss-cn-shanghai.aliyuncs.com"
TemplateGroupId: "b02c9596bdc48c048c1bd296998a62bd"
Title: "标题1"
VideoId: "b9876197ccf843199f3f5e4917867498"
msg: "上传成功"
time: "1614087788"