can't create my develop store. help! help! why...

[wangchun]

why i can't create my develop store.

this request can't be loaded：

https://app.shopify.com/services/signup/check_availability.json?callback=callback 

[GrahamS]

Hello @wangchun,

For assistance with creating a development shop or any signup-related issues, I would contact our support service directly for assistance. They'll be able to authenticate you and check to see what internal errors may be occurring.