diff --git a/xCAT-server/lib/xcat/plugins/destiny.pm b/xCAT-server/lib/xcat/plugins/destiny.pm
index 538cda78b..a29818908 100644
--- a/xCAT-server/lib/xcat/plugins/destiny.pm
+++ b/xCAT-server/lib/xcat/plugins/destiny.pm
@@ -553,12 +553,12 @@ sub nextdestiny {
   my $chainents = $chaintab->getNodesAttribs(\@nodes,[qw(currstate currchain chain)]);
   foreach $node (@nodes) {
     unless($chaintab) {
-      syslog("local1|err","ERROR: $node requested destiny update, no chain table");
+      syslog("local4|err","ERROR: $node requested destiny update, no chain table");
       return; #nothing to do...
     }
     my $ref =  $chainents->{$node}->[0]; #$chaintab->getNodeAttribs($node,[qw(currstate currchain chain)]);
     unless ($ref->{chain} or $ref->{currchain}) {
-      syslog ("local1|err","ERROR: node requested destiny update, no path in chain.currchain");
+      syslog ("local4|err","ERROR: node requested destiny update, no path in chain.currchain");
       return; #Can't possibly do anything intelligent..
     }
     unless ($ref->{currchain}) { #If no current chain, copy the default
diff --git a/xCAT-server/lib/xcat/plugins/nodediscover.pm b/xCAT-server/lib/xcat/plugins/nodediscover.pm
index bd828f8c8..34724164b 100644
--- a/xCAT-server/lib/xcat/plugins/nodediscover.pm
+++ b/xCAT-server/lib/xcat/plugins/nodediscover.pm
@@ -342,7 +342,7 @@ sub process_request {
         Timeout => '1',
         Proto => 'tcp'
     );
-    unless ($sock) { syslog("err","Failed to notify $clientip that it's actually $node."); return; } #Give up if the node won't hear of it.
+    unless ($sock) { syslog("local4|err","Failed to notify $clientip that it's actually $node."); return; } #Give up if the node won't hear of it.
     print $sock $restartstring;
     close($sock);
 
@@ -352,7 +352,7 @@ sub process_request {
     #Update the discoverydata table to indicate the successful discovery
     xCAT::DiscoveryUtils->update_discovery_data($request);
   
-    syslog("info","$node has been discovered");
+    syslog("local4|info","$node has been discovered");
 }
 
 1;
diff --git a/xCAT-server/lib/xcat/plugins/pxe.pm b/xCAT-server/lib/xcat/plugins/pxe.pm
index 1247b76ec..23aa71ec4 100644
--- a/xCAT-server/lib/xcat/plugins/pxe.pm
+++ b/xCAT-server/lib/xcat/plugins/pxe.pm
@@ -205,7 +205,7 @@ sub setstate {
     close($pcfg);
     my $inetn = inet_aton($node);
     unless ($inetn) {
-     syslog("local1|err","xCAT unable to resolve IP for $node in pxe plugin");
+     syslog("local4|err","xCAT unable to resolve IP for $node in pxe plugin");
      return;
     }
   } else { #TODO: actually, should possibly default to xCAT image?
@@ -215,12 +215,12 @@ sub setstate {
   my $mactab = xCAT::Table->new('mac'); #to get all the hostnames
   my %ipaddrs;
   unless (inet_aton($node)) {
-    syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
+    syslog("local4|err","xCAT unable to resolve IP in pxe plugin");
     return;
   }
   my $ip = inet_ntoa(inet_aton($node));;
   unless ($ip) {
-    syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
+    syslog("local4|err","xCAT unable to resolve IP in pxe plugin");
     return;
   }
   $ipaddrs{$ip} = 1;
@@ -288,7 +288,6 @@ sub preprocess_request {
         @args=($req->{arg});
     }
     @ARGV = @args;
-    
     Getopt::Long::Configure("bundling");
     Getopt::Long::Configure("pass_through");
     if (!GetOptions('h|?|help' => \$HELP, 'v|version' => \$VERSION) ) {
@@ -326,6 +325,7 @@ sub preprocess_request {
         return;
     }
 
+   #my $sent = $stab->getAttribs({key=>'sharedtftp'},'value');
    my @entries =  xCAT::TableUtils->get_site_attribute("sharedtftp");
    my $t_entry = $entries[0];
    if ( defined($t_entry) and ($t_entry == 0 or $t_entry =~ /no/i)) {
@@ -346,8 +346,8 @@ sub preprocess_request {
       if ($req->{inittime}->[0]) {
           return [$req];
       }
-      if (@CN >0 ) { # there are computenodes then run on all servicenodes
-        return xCAT::Scope->get_broadcast_scope($req,@_);
+      if (@CN >0 ) { # if compute nodes broadcast to all servicenodes 
+         return xCAT::Scope->get_broadcast_scope($req,@_);
       }
    }
    return [$req];
@@ -524,12 +524,12 @@ sub process_request {
     foreach my $node (@nodes) {
       my %ipaddrs;
       unless (inet_aton($node)) {
-        syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
+        syslog("local4|err","xCAT unable to resolve IP in pxe plugin");
         return;
       }
       my $ip = inet_ntoa(inet_aton($node));;
       unless ($ip) {
-        syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
+        syslog("local4|err","xCAT unable to resolve IP in pxe plugin");
         return;
       }
       $ipaddrs{$ip} = 1;
diff --git a/xCAT-server/lib/xcat/plugins/vsmppxe.pm b/xCAT-server/lib/xcat/plugins/vsmppxe.pm
index 8bf893bf8..4d157ccd5 100644
--- a/xCAT-server/lib/xcat/plugins/vsmppxe.pm
+++ b/xCAT-server/lib/xcat/plugins/vsmppxe.pm
@@ -131,7 +131,7 @@ sub setstate {
     close($pcfg);
     my $inetn = inet_aton($primarynode);
     unless ($inetn) {
-     syslog("local1|err","xCAT unable to resolve IP for $node in pxe plugin");
+     syslog("local4|err","xCAT unable to resolve IP for $node in pxe plugin");
      return;
     }
   } else { #TODO: actually, should possibly default to xCAT image?
@@ -141,12 +141,12 @@ sub setstate {
   my $mactab = xCAT::Table->new('mac'); #to get all the hostnames
   my %ipaddrs;
   unless (inet_aton($primarynode)) {
-    syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
+    syslog("local4|err","xCAT unable to resolve IP in pxe plugin");
     return;
   }
   my $ip = inet_ntoa(inet_aton($primarynode));;
   unless ($ip) {
-    syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
+    syslog("local4|err","xCAT unable to resolve IP in pxe plugin");
     return;
   }
   $ipaddrs{$ip} = 1;
diff --git a/xCAT-server/lib/xcat/plugins/yaboot.pm b/xCAT-server/lib/xcat/plugins/yaboot.pm
index b68699dd3..fda2ccb33 100644
--- a/xCAT-server/lib/xcat/plugins/yaboot.pm
+++ b/xCAT-server/lib/xcat/plugins/yaboot.pm
@@ -194,7 +194,7 @@ sub setstate {
               close($pcfg);
               my $inetn = xCAT::NetworkUtils->getipaddr($node);
               unless ($inetn) {
-               syslog("local1|err","xCAT unable to resolve IP for $node in yaboot plugin");
+               syslog("local4|err","xCAT unable to resolve IP for $node in yaboot plugin");
                return;
               }
             } else { #TODO: actually, should possibly default to xCAT image?
@@ -252,7 +252,7 @@ sub setstate {
       close($pcfg);
       my $inetn = xCAT::NetworkUtils->getipaddr($node);
       unless ($inetn) {
-       syslog("local1|err","xCAT unable to resolve IP for $node in yaboot plugin");
+       syslog("local4|err","xCAT unable to resolve IP for $node in yaboot plugin");
        return;
       }
     } else { #TODO: actually, should possibly default to xCAT image?
@@ -261,7 +261,7 @@ sub setstate {
     }
     my $ip = xCAT::NetworkUtils->getipaddr($node);
     unless ($ip) {
-      syslog("local1|err","xCAT unable to resolve IP in yaboot plugin");
+      syslog("local4|err","xCAT unable to resolve IP in yaboot plugin");
       return;
     }
     my $mactab = xCAT::Table->new('mac');
@@ -397,7 +397,7 @@ sub preprocess_request {
       if ($req->{inittime}->[0]) {
           return [$req];
       }
-      if (@CN >0 ) { # if compute nodes broadcast to all servicenodes 
+      if (@CN >0 ) { # if compute nodes broadcast to all servicenodes
        return xCAT::Scope->get_broadcast_scope($req,@_);
       }
    }
@@ -408,8 +408,8 @@ sub preprocess_request {
 sub process_request {
   $request = shift;
   $callback = shift;
-  $sub_req = shift;
   $::callback=$callback;
+  $sub_req = shift;
   my $command  = $request->{command}->[0];
   %breaknetbootnodes=();
   %normalnodes=();