struts2中action的路径问题

页面：

<form action="<%=basePath%>zy?cou_id=1" method="post">
<input type="submit" value="开始学习" class="ss" style="line-height:40px; font-size:26px; margin-left:20%; background-color:#0F9;"  />
</form>

配置：

<struts><package name="stu"  extends="struts-default" name="/">
<action name="zy" class="el.com.web.action.stu.StudentAction" method="findCourse">
<result name="success">student/OEStudent/stu_zy.jsp</result></action>
</package> 
</struts>

问题：
HTTP Status 404 - There is no Action mapped for namespace [/] and action name [zy] associated with context path [/e-Learning].