PHP Warning: 'vcruntime140.dll'

$ arc diff --create
PHP Warning:  'vcruntime140.dll' 14.0 is not compatible with this PHP build linked with 14.16 in Unknown on line 0

arc diff 提交代码时报错：
PHP Warning: ‘vcruntime140.dll’ 14.0 is not compatible with this PHP build linked with 14.16 in Unknown on line 0

php7.4的安装和配置跟之前没有分别，唯一要注意的一点是它的编译已经从vc++15 变成了vc++16，它的安装包命名也变成了vs16（visualstudio 16，即vs 2019）
直接下载个全的：
Visual Studio 2015、2017 和 2019
https://support.microsoft.com/zh-cn/help/2977003/the-latest-supported-visual-c-downloads
下载之后安装，然后重启电脑，就可以了。