php分页问题

Question

<?php@$page = $_GET['p'];include("conn.php");$sql= "SELECT * FROM page LIMIT " .($page-1)*10 .",10";$result = mysql_query($sql);while($row = mysql_fetch_assoc($result)){    echo $row["lids"];}mysql_free_result($result);mysql_close($conn);报错如下：Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in E:\wamp\www\IdeaProjects\LyitOA\GoodTest\a.php on line 6 Call StackWarning: mysql_free_result() expects parameter 1 to be resource, boolean given in E:\wamp\www\IdeaProjects\LyitOA\GoodTest\a.php on line 9请问如何解决？谢谢