chat.js

const WxParse = require('../../../zhy/template/wxParse/wxParse.js');

parseMessage(msg) 添加代码

 case "TIMRichTextElem": { //富文本
        console.log("msg.payload.conent",msg);
       return WxParse.wxParseNewHtml( 'md',msg.payload.content);
      }

chat.wxml

第61行添加代码

<include src="./message/richtext.wxml" wx:if="{{item.type === 'TIMRichTextElem'}}"></include>

message目录添加richtext.wxml,richtext.wxss

chat.wxss

添加代码

@import './message/richtext.wxss';