diff --git a/xCAT-server/lib/xcat/plugins/seqdiscovery.pm b/xCAT-server/lib/xcat/plugins/seqdiscovery.pm
index 0a18969cc..128164279 100755
--- a/xCAT-server/lib/xcat/plugins/seqdiscovery.pm
+++ b/xCAT-server/lib/xcat/plugins/seqdiscovery.pm
@@ -917,7 +917,7 @@ Usage:
         } else {
             $ent->{'node'}   = 'undef' unless ($ent->{'node'});
             $ent->{'method'} = 'undef' unless ($ent->{'method'});
-            push @discoverednodes, sprintf("  %-40s%-20s%-15s%-10s%-20s", $ent->{'uuid'}, $ent->{'node'}, $ent->{'method'}, $ent->{'mtm'}, substr($ent->{'serial'}, 0, 19));
+            push @discoverednodes, sprintf("  %-40s%-20s%-15s%-10s %-20s", $ent->{'uuid'}, $ent->{'node'}, $ent->{'method'}, $ent->{'mtm'}, substr($ent->{'serial'}, 0, 19));
         }
     }
 
@@ -927,7 +927,7 @@ Usage:
     }
     if (@discoverednodes) {
         unless ($long) {
-            push @{ $rsp->{data} }, sprintf("  %-40s%-20s%-15s%-10s%-13s", 'UUID', 'NODE', 'METHOD', 'MTM', 'SERIAL');
+            push @{ $rsp->{data} }, sprintf("  %-40s%-20s%-15s%-10s %-20s", 'UUID', 'NODE', 'METHOD', 'MTM', 'SERIAL');
         }
         foreach (@discoverednodes) {
             push @{ $rsp->{data} }, "$_";