package.json 文件版本

    "wangeditor": "4.3.0"

开发环境

new Editor(#${this.id});出来的数据

正式环境

new Editor(#${this.id});出来的数据

原因：
vue.config 文件 打包策略的时候

const assetsCDN = {
  css: [
    'https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/element-ui/2.15.5/theme-chalk/index.css',
    '//at.alicdn.com/t/font_3347629_pvu1ub3bkg.css'],
  //at.alicdn.com/t/font_3347629_pvu1ub3bkg.css
  js: [
   // 'https://www.unpkg.com/wangeditor@4.6.14/dist/wangEditor.min.js',
    'https://lf9-cdn-tos.bytecdntp.com/cdn/expire-14-M/wangEditor/3.1.1/wangEditor.min.js', 
    'https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M/element-ui/2.15.5/index.js',
    'https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.11/vue.min.js',
    'https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue-router/3.0.6/vue-router.min.js',
    'https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M/vuex/3.1.0/vuex.min.js',
    'https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/axios/0.18.0/axios.min.js',
  ],
};

上面 打包的时候实际用的是 3.1.1 版本，所以出现问题。