registry vbox image can not download

[cpchang170]

I run .\setup-vagrant
main and centos both can be download and up, but registry fail , the fail message is as following

Bringing machine 'registry' up with 'virtualbox' provider...
==> registry: Box 'williamyeh/docker-workshop-registry' could not be found. Attempting to find and install...
registry: Box Provider: virtualbox
registry: Box Version: >= 5.0.0
==> registry: Loading metadata for box 'williamyeh/docker-workshop-registry'
registry: URL: https://vagrantcloud.com/williamyeh/docker-workshop-registry
==> registry: Adding box 'williamyeh/docker-workshop-registry' (v5.1) for provider: virtualbox
registry: Downloading: https://vagrantcloud.com/williamyeh/boxes/docker-workshop-registry/versions/5.1/providers/virtualbox.box
registry: Download redirected to host: dl.dropboxusercontent.com
registry:
An error occurred while downloading the remote file. The error
message, if any, is reproduced below. Please fix this error and try
again.