<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1, user-scalable=no">
复制代码 <title></title>
</head>
<script src="js/mui.min.js"></script>
<script src="js/beecloud.js"></script>
<body>
</body>
</html>
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就这么简单的页面为啥报错啊
TypeError: Cannot read property 'appendChild' of null
at file:///storage/emulated/0/Android/data/io.dcloud.HBuilder/apps/HBuilder/www/js/beecloud.js:34:15
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