解决方案：
在<head>中加上以下代码，
复制代码代码如下:
<base target="_self">
<meta http-equiv='pragma' content='no-cache'>
<meta http-equiv='Cache-Control' content='no-cache, must-revalidate'>
<meta http-equiv='expires' content='0'>
在<head>中加上以下代码，
复制代码代码如下:
<base target="_self">
<meta http-equiv='pragma' content='no-cache'>
<meta http-equiv='Cache-Control' content='no-cache, must-revalidate'>
<meta http-equiv='expires' content='0'>