org-mode LaTeX 预览出错：org-compile-file: File "/var/folders/q9/3v4y0phn3c19bw89dvmnjsc00000gn/T/orgtexzVLHVv.dvi" wasn’t produced. Please adjust ‘dvipng’ part of ‘org-preview-latex-process-alist’.

[flyingns]

MacOS 10.14 emacs-plus 26.1 org-version 9.2.2

dvipng 已安装

不明白哪里出错，google 了一圈也没解决。