Cognos query studio 报表？

用query studio 做的报表。在连接里面拼上用户名和密码。在浏览器中打开为什么还要输入用户名和密码。
连接串url：http://2.8.1.1:9300/p2pd/servlet/dispatch?b_action=xts.run&;m=portal/launch.xts&ui.gateway=%2fp2pd%2fservlet%2fdispatch&ui.tool=QueryStudio&ui.action=edit&ui.object=%2fcontent%2ffolder%5b%40name%3d%27%e4%bf%a1%e7%a7%91%27%5d%2ffolder%5b%40name%3d%27%e6%b8%85%e5%8d%95%e6%8a%a5%e8%a1%a8%27%5d%2fpackage%5b%40name%3d%27its_dm_its_requirement_list%27%5d%2fquery%5b%40name%3d%27%e9%9c%80%e6%b1%82%e6%b8%85%e5%8d%95%27%5d&ui.drillThroughTargetParameterValues=&CAMUsername=aa&CAMPassword=aaa