MacOS下面如何编译pdf

第一次编译出现
```shell
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! fontspec error: "font-not-found"
!
! The font "Adobe Song Std" cannot be found.
!
! See the fontspec documentation for further information.
!
! For immediate help type H .
!...............................................

l.6 ...mainfont[AutoFakeBold=true]{Adobe Song Std}

? ^C^D
! Emergency stop.
!...............................................

l.6 ...mainfont[AutoFakeBold=true]{Adobe Song Std}

No pages of output.
Transcript written on dlbook_cn.log.
make: *** [all] Error 1
```
我下载安装了，还是一直出错，重启也不行。我确信我安装了这个字体。
另外，如果不想用这个字体，哪里更改呢？