好吧，我明白了……流浪汉不喜欢Homestead.yaml文件中的制表符...缩进必须正确且空格.

Ok, I got it... Vagrant is not fond of tabs in the Homestead.yaml file... The indentation must be with spaces and exact.

只需用空格替换选项卡，即可启动vagrant.

Just substituted the tabs with spaces and vagrant is able to start.