未被捕获的参考错误:stLight没有定义(仅在Chrome中)

My web page ends thus:

我的网页就此结束:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">var switchTo5x=false;</script>
<script type="text/javascript" src="https://w.sharethis.com/button/buttons.js"></script>
<script type="text/javascript">
stLight.options({publisher: "ur-24e62f76-1f66-e3aa-1190-c533b729ca11", doNotHash: true, doNotCopy: true, hashAddressBar: false});
</script>
<script type="text/javascript" src="/static/bootstrap/js/bootstrap.js"></script>  
</body>
</html>
<script sr