index.js editorCtx.setContents({ delta: [{ attributes: { 'data-custom': "{"id":"7236472931230024","name":"hdsfh"}", alt: "@hdsfh", class: "atPeople" }, insert: { image: true } }] }) index.less .atPeople:after { content: attr(alt); position: absolute; left:0; bottom:0; width:96%; color:red; } index.wxml <editor></editor> 在开发工具模拟器上会显示正常的内容： [图片] 在真机上显示不出来： [图片]