wx.cloud.deleteFile({

                      fileList: [that.data.fileID],

                      success: function (res) {

                        console.log("[WaterMark页面]:视频云存储删除成功",res)

                      },

                      fail: function (e) {

                        console.log("[WaterMark页面]:视频云存储删除失败", e)

                      }

                    })