chunkCheckStatus (md5, fileName, callback) {
      this.$http({
        url: this.$http.adornUrl('/biz/upload/getFileBlockStatus'),
        method: 'get',
        params: this.$http.adornParams({
          md5: md5,
          fileName: fileName
        })
      }).then(({ data }) => {
        if (data && data.code === 0) {
          if (data.list != null) {
            this.uploading = false
            this.chunkCheckData = []
            data.list.map((item, index) => {
              if (item.isUpload == true) {
                this.count++
                this.chunkCheckData.push(item)
              }
            })
            callback(this.uploading, this.chunkCheckData)
            return
          }
          this.uploading = true
          callback(this.uploading)
        } else {
          this.$message.error(data.msg)
          this.loading = false
          this.computeStatus = false
          return false
        }
      })
    }