Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Wed Dec 14 16:35:25 CST 2016
There was an unexpected error (type=Not Found, status=404).
No message available
原因是【Application启动类放的位置不对】要将Application放在最外层，也就是要包含所有子包。
如下图