为什么我的图片显示不出来，我的路径是对的，图片一直读不起来？

<a href="index.php?act=showConten&path=<?php echo $path;?>&fileName=<?php echo $path."/".$val;?>"><img scr="images_1/show.png" alt="" title="查看"/></a>

<a href="index.php?act=editConten&path=<?php echo $path;?>&fileName=<?php echo $path."/".$val;?>"><img scr="images_1/edit.png" alt="" title="修改"/></a>

<a href="index.php?act=renameFile&path=<?php echo $path;?>&fileName=<?php echo $path."/".$val;?>"><img scr="images_1/rename.png" alt="" title="重命名"/></a>

<a href="index.php?act=copyFile&path=<?php echo $path;?>&fileName=<?php echo $path."/".$val;?>"><img scr="images_1/copy.png" alt="" title="复制"/></a>

<a href="index.php?act=moveFile&path=<?php echo $path;?>&fileName=<?php echo $path."/".$val;?>"><img scr="images_1/cut.png" alt="" title="剪切"/></a>

<a href="#" onclick="delFile('<?php echo $path;?>;'<?php echo $path."/".$val;?>)"><img scr="images_1/delete.png" alt="" title="删除"></a>

<a href="index.php?act=downFile&path=<?php echo $path;?>&fileName=<?php echo $path."/".$val;?>"><img scr="images_1/download.png" alt="" title="下载"></a>