求助！Fatal error: Call to a member function fetch_array() on a non-object

出现错误：Fatal error: Call to a member function fetch_array() on a non-object in D:\zhujibao\Domains\bc\yeepay.php on line 134134行的代码是：
while($row = $query->fetch_array()){
?>
     <tr onMouseOver="this.style.backgroundColor='#C0E0F8'" onMouseOut="this.style.backgroundColor='#FFFFFF'" style="background-color:#FFFFFF;">
        <td width="5%" align="center"><?=$row['ID']?></td>
<td width="15%" align="center">
        <? if($row['Switch']==0){ ?>
        <a href="yeepay.php?action=open&id=<?=$row['ID']?>">启用</a>
        <? }else{ ?>
        <a href="yeepay.php?action=close&id=<?=$row['ID']?>"><font color="#FF0000"><b>停用</b></font></a>
        <? } ?>
        &nbsp;|&nbsp;<a href="yeepay.php?action=mod&id=<?=$row['ID']?>">修改</a>&nbsp;|&nbsp;<a href="yeepay.php?action=del&id=<?=$row['ID']?>">删除</a></td>
        <td width="20%"><div style="float:left;"><?=$row['Address']?></div></td>
        <td width="15%" ><div style="float:left;"><?=$row['Business']?></div></td>
<td width="40%"><div style="float:left;"><?=$row['Keys']?></div></td>
</tr>
     <?
 if(@$_GET["action"]=="mod" && $_GET["id"]==$row['ID']){
 $website['Address']=$row['Address'];
 $website['Business']=$row['Business'];
 $website['Keys']=$row['Keys'];
 }
}
 ?>各位大哥们帮帮小弟啊！！