tinymce 的 mathjax 插件使用的 mathjax 文件(tex-mml-chtml.js)放到 public/tinymce/mathjax 目录中

src/views/exam/ExamQuestionAdd.vue

@@ -309,10 +309,10 @@ export default {
         skin_url: '/tinymce/skins/ui/oxide',
         height: 300,
         external_plugins: {
-          'mathjax': '/mathjax/plugin.min.js'
+          'mathjax': '/tinymce/mathjax/plugin.min.js'
         },
         mathjax: {
-          lib: '/mathjax/tex-mml-chtml.js'
+          lib: '/tinymce/mathjax/tex-mml-chtml.js'
         },
         // plugins: 'link lists image code table colorpicker textcolor wordcount contextmenu',
         toolbar: 'mathjax | bold italic underline strikethrough | fontsizeselect | forecolor backcolor | alignleft aligncenter alignright alignjustify | bullist numlist | outdent indent blockquote | undo redo | link unlink image code | removeformat',