本来正常就显示第一张图，为啥在第一张图的上方又显示一遍，开发者工具有问题？？

[渲染层错误] webviewScriptError

Cannot read property 'replace' of undefined

TypeError: Cannot read property 'replace' of undefined

    at rewritor (http://127.0.0.1:62798/__pageframe__/__extendedlib__/weui/latest/pageframe.js:176:44)

    at http://127.0.0.1:62798/__pageframe__/__extendedlib__/weui/latest/pageframe.js:194:127