帝国CMS二级域名当前位置导航[!--newsnav--]输出不对怎么办

//当前位置导航
function user_linknav($classid){
global $empire,$dbtbpre,$navclassid,$class_r,$public_r;
//当前栏目
if($classid=="selfinfo"){
if(empty($navclassid)){
$classid=0;
}else{
$classid=$navclassid;
//终极类别则显示同级类别
if($class_r[$classid][islast]&&$class_r[$classid][bclassid]){
$classid=$class_r[$classid][bclassid];
}
if($class_r[$classid][islast]&&empty($class_r[$classid][bclassid])){
$classid=0;
}
}
}
$query="select classname,bclassid,classpath from {$dbtbpre}enewsclasswhere classid=".$classid;
$sql=$empire->query($query);
//echo "<a href = "/">首页</a>";
while($r=$empire->fetch($sql)){
findparent($r[bclassid]);
echo "&nbsp;>&nbsp;<a href ="/".$r[classurl]."">".$r[classname]."</a>";
}
}
//当前位置导航，递归查询父栏目
function findparent($classid){
global $empire,$dbtbpre;
$query="select classname,bclassid,classpath from {$dbtbpre}enewsclasswhere classid=".$classid;
$sql=$empire->query($query);
while($r=$empire->fetch($sql)){
findparent($r[bclassid]);
$prefix="";
if($r[bclassid]){$prefix = "&nbsp;>&nbsp;";}
echo $prefix."<a href ="/".$r[classurl]."">".$r[classname]."</a>";
}
}