错误信息： Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback.
Fri Nov 01 10:35:00 CST 2019 There was an unexpected error (type=Not Found, status=404). No message available
错误截图： 控制台未报错，但是访问页面报错。
解决方案：
打开下拉菜单，点击Edit Configurations； 选中我们的前端工程，点击右边的Environment展开选项；Working directory选中第三个选项$ MODULE_WORKING_DIR$
