app打开第一次白屏卡住,把后台退掉再打开一次才能进入页面

操作系统:Android 8.1.0 (Lenovo L38041 Lenovo/OPM1.171019.019 dev-keys/App7.38/v20007383)

WebView:Mozilla/5.0 (Linux; Android 8.1.0; Lenovo L38041 Build/OPM1.171019.019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 ithome/rmsdklevel2/day/7.38