求教：我需要在某个网页列出的图片元素中随机点击一个，但是却无法捕获相似元素列表，使用xpath不熟

各位英雄好！

我需要在某个网页列出的图片元素中随机点击一个，我的思路是先把相似元素罗列出来，然后用随机数去点击。但是卡在无法获取相似元素列表。使用系统默认的获取搞不定，使用xpath不知道怎么弄，请指教！

我定位到了元素所在位置：

<div id="imgManager" style="display: none;"><a class="layui-layer-ico" href="javascript:;">返回</a><div id="myList" style="padding-top: 40px;"><ul class="list">
<li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022473137.png" alt="1719278047.png"></div><span class="icon"></span>
<a data-id="69686203" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686203" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022473746.png" alt="1719278046.png"></div><span class="icon"></span>
<a data-id="69686202" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686202" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022270069.png" alt="1719278046.png"></div><span class="icon"></span>
<a data-id="69686201" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686201" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022181122.png" alt="1719278046.png"></div><span class="icon"></span>
<a data-id="69686200" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686200" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022306094.png" alt="1719278045.png"></div><span class="icon"></span>
<a data-id="69686199" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686199" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022213919.png" alt="1719278045.png"></div><span class="icon"></span>
<a data-id="69686198" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686198" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022195479.png" alt="1719278045.png"></div><span class="icon"></span>
<a data-id="69686197" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686197" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780221719278022155925.png" alt="1719278044.png"></div><span class="icon"></span>
<a data-id="69686196" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686196" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780201719278020809017.png" alt="1719278044.png"></div><span class="icon"></span>
<a data-id="69686193" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686193" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780201719278020763927.png" alt="1719278044.png"></div><span class="icon"></span>
<a data-id="69686192" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686192" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780201719278020775378.png" alt="1719278044.png"></div><span class="icon"></span>
<a data-id="69686191" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686191" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780201719278020806993.png" alt="1719278044.png"></div><span class="icon"></span>
<a data-id="69686190" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686190" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780201719278020753757.png" alt="1719278043.png"></div><span class="icon"></span>
<a data-id="69686187" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686187" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780201719278020760912.png" alt="1719278043.png"></div><span class="icon"></span>
<a data-id="69686186" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686186" href="javascript:;" class="cutimg">裁剪</a>
</li><li><div class="cover"><img src="http://img.96weixin.com/ueditor/20240625/17192780201719278020693315.png" alt="1719278042.png"></div><span class="icon"></span>
<a data-id="69686185" href="javascript:;" class="delimg"><i class="fa fa-trash-o"></i></a>
<a data-id="69686185" href="javascript:;" class="cutimg">裁剪</a>
</li></ul>
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我使用默认的抓法，只能定位到第一个图，尝试过xpath用下面的也不行，我xpath不大会

//*[@id="myList"]/ul/li[1]/div/img