在<a>标签里用<s:property value="smtReferenceSalesVolumeUrl"/>输出href值

在a标签里用s标签给href赋值，但最后页面却不是绿纯粹的链接，而是把上下文地址也加进去了，对此该如何解决！http://localhost:8080/test/renew/%3Chttp://www.aliexpress.com/item/Women-Autumn-winter-fashion-sweatshirt-hoodie-set-thickening-leisure-sports-Hoodie-hoody-panty-vest-3pcs-sets/684682444.html

<a href="<s:property value="smtReferenceSalesVolumeUrl"/>" target="_blank">
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        <img alt="链接" src="${pageContext.request.contextPath }/imgs/ie.jpg" width="15" height="15"/></a>