HarmonyOS 鸿蒙Next 上传图片到服务器报错:.Code:13400001,message: file operation error

求指点, 没搞明白错哪里了 … Failedtorequesttheupload.Code:13400001,message: file operation error

 // 拉起系统图库
          const photoViewPicker = new photoAccessHelper.PhotoViewPicker();
          photoViewPicker.select(photoSelectOptions)
            .then((photoSelectResult: photoAccessHelper.PhotoSelectResult) => {
              this.imageArray = photoSelectResult.photoUris;

              photoSelectResult.photoUris.forEach((uri) => {
                const file = fs.openSync(uri, fs.OpenMode.READ_ONLY);
                const uploadFileName = new Date().getTime() + '.jpg';
                const filePath = cacheDir + '/' + uploadFileName;
                fs.copyFileSync(file.fd, filePath);
                fs.closeSync(file);
                this.uploadImage(uploadFileName);
              })
            })
            .catch((err: BusinessError) => {
              console.error(`Invoke photoViewPicker.select failed, code is ${err.code}, message is ${err.message}`);
            })

//上传

uploadImage(uploadFileName:string){
    let uploadTask: request.UploadTask;
    let uploadConfig: request.UploadConfig = {
      url: baseUrl+ 'third/obs/attachment/fileUpload/app',
      header: {
        "Content-Type":"multipart/form-data",
        "Authorization":`Bearer ${user_token}`
      },
      method: 'POST',
      files: [
        {
          filename: 'feedback',
          name: 'file',
          uri: `internal://cache/${uploadFileName}`,
          type: 'jpg'
        }
      ],
      data: []
    }
    console.log('uploadConfig', JSON.stringify(uploadConfig))
    try {
      //上传请求
      request.uploadFile(getContext(), uploadConfig, (err: BusinessError, data: request.UploadTask) => {
        if (err) {
          console.error(`Failedtorequesttheupload.Code:${err.code},message:${err.message}`);
          return;
        }
        uploadTask = data;
      });
    } catch (err) {
      console.error(`Failedtorequesttheupload.err:${JSON.stringify(err)}`);
    }
  }