start.spring.io访问不了，导致springboot项目创建不起来(Initialization failed for 'https://start.spring.io' Please check URL, network and proxy settings. Error mes...)

Initialization failed for 'https://start.spring.io'
Please check URL, network and proxy settings.

Error message:
Cannot download 'https://start.spring.io': connect timed out

 把地址换成http://start.springboot.io/