Can you update the image at docker pull peterzhang921/cboard:0.4.1

[Zonalds]

Please follow the below instructions to create a new system bug, otherwise, we can't help you effectively.(请严格遵循下列格式创建系统Bug主题，否则我们可能很难有效帮助到你)

• What steps will reproduce the problem?（该问题的重现步骤是什么？）
  $ docker pull peterzhang921/cboard:0.4.1
• What is the expected output? What do you see instead?（你期待的结果是什么？实际看到的又是什么？）
  The current version here in this repository was updated yesterday. However, the image on DockerHub is 2 years old.
• What version of the product are you using? On what operating system?（你正在使用产品的哪个版本？在什么操作系统上？）
  Docker 0.4.1
• Please provide any additional information below.（如果有的话，请在下面提供更多信息。）