fix

public/react/src/common/TextUtil.js

@@ -6,18 +6,14 @@ import showdownKatex from 'showdown-katex'
 export function isImageExtension(fileName) {
     return fileName ? !!(fileName.match(/.(jpg|jpeg|png|gif)$/i)) : false
 }
-
 const katex = showdownKatex()
 const converter = new showdown.Converter({
     extensions: [katex]
 })
-// const katexRex = /(?:\$\$)([^\$]+)(?:\$\$)/g
 
 export function markdownToHTML(oldContent) {
     if (oldContent) {
-        //let rs = oldContent.replace(katexRex, (_, p1) => `$${p1}$`)
-        let rs = converter.makeHtml(oldContent)
-        return rs
+        return converter.makeHtml(oldContent)
     }
     return oldContent
 }