diff --git a/xCAT-server/lib/xcat/plugins/conserver.pm b/xCAT-server/lib/xcat/plugins/conserver.pm
index aa4fc1d59..a8d01ddf8 100644
--- a/xCAT-server/lib/xcat/plugins/conserver.pm
+++ b/xCAT-server/lib/xcat/plugins/conserver.pm
@@ -119,7 +119,7 @@ sub preprocess_request {
         }
         return xCAT::Scope->get_broadcast_scope_with_parallel($request, \@sns);
     }
-   
+
     # get site master
     my $master = xCAT::TableUtils->get_site_Master();
     if (!$master) { $master = hostname(); }
@@ -442,7 +442,7 @@ sub makeconservercf {
         } else{
             $rsp->{data}->[0] = "Remove console entry for the nodes:".join(',', @$rmnodes);
         }
-        xCAT::MsgUtils->message("I", $rsp, $cb); 
+        xCAT::MsgUtils->message("I", $rsp, $cb);
     } else {    #no nodes specified, do em all up
         zapcfg(\@filecontent);    # strip all xCAT configured nodes from config
 
@@ -661,7 +661,7 @@ sub delete_undefined_nodes_entry {
             my $node = $1;
             unless (exists($allnodeshash->{$node})) {
                 $skip  = 1;
-                $skipnext = 1; 
+                $skipnext = 1;
                 push @rmnodes, $node;
                 print __LINE__."===== push node: $node==\n";
             }