switchTab 时 如果首页包含 usingComponents 则报错
app启动时, 如果先replace 到子页面登录, 再switchTab 到首页, 如果首页包含 usingComponents 则报错, 页面渲染终止, 安卓手机端同样报错, 此bug 可重复实现 pages/shop/shop-list/shop-list: onLoad have been invoked WAService.js:17 pages/shop/shop-list/shop-list: onShow have been invoked app.js? [sm]:61 webviewScriptError Cannot read property 'diff' of undefined TypeError: Cannot read property 'diff' of undefined at Function.value (http://127.0.0.1:65091/__pageframe__/__dev__/WAWebview.js:18:13225) at v (http://127.0.0.1:65091/__pageframe__/__dev__/WAWebview.js:20:10189) at http://127.0.0.1:65091/__pageframe__/__dev__/WAWebview.js:20:10942 VM24627:1 Mon Mar 12 2018 17:44:33 GMT+0800 (中国标准时间) 渲染层错误 VM24627:2 TypeError: Cannot read property 'diff' of undefined at Function.value (:65091/__pageframe__/__dev__/WAWebview.js:18) at v (:65091/__pageframe__/__dev__/WAWebview.js:20) at :65091/__pageframe__/__dev__/WAWebview.js:20 (anonymous) @ VM24627:2 VM24629:1 Mon Mar 12 2018 17:44:33 GMT+0800 (中国标准时间) 渲染层错误 VM24630:1 Mon Mar 12 2018 17:44:33 GMT+0800 (中国标准时间) 渲染层错误 VM24630:2 Uncaught TypeError: Cannot read property 'diff' of undefined (anonymous) @ VM24630:2