打开include/taglib/arclist.lib.php文件找到if($ctag->GetAtt('cross')=='1')修改为if($ctag->GetAtt('cross')!='0')找到if($arr['crossid']!='') $selquery = "Select id,topid From `dede_arctype` where id in('{$arr['crossid']}') And id<>'{$typeid}' And topid<>'{$typeid}' ";修改为if($arr['crossid']!='') $selquery = "Select id,topid From `dede_arctype` where id in({$arr['crossid']}) And id<>'{$typeid}' And topid<>'{$typeid}' ";
分析:从数据库可以看出当栏目为不交叉时cross的值为0当栏目为自动获取同名栏目时cross的值为1当栏目为手动指定ID时cross的值为2显然if($ctag->GetAtt('cross')=='1')是错的,在手动指定ID时$CrossID 始终为空 。