diff --git a/xCAT-server/lib/perl/xCAT/Goconserver.pm b/xCAT-server/lib/perl/xCAT/Goconserver.pm
index b6a55a390..835ee4e3e 100644
--- a/xCAT-server/lib/perl/xCAT/Goconserver.pm
+++ b/xCAT-server/lib/perl/xCAT/Goconserver.pm
@@ -10,6 +10,7 @@ BEGIN
 use lib "$::XCATROOT/lib/perl";
 use strict;
 use warnings "all";
+use File::Copy qw(move);
 
 use HTTP::Request;
 use HTTP::Headers;
@@ -22,6 +23,7 @@ my $go_api_port = 12429;
 my $go_cons_port = 12430;
 
 use constant CONSOLE_LOG_DIR => "/var/log/consoles";
+use constant PRINT_FORMAT => "%-32s %-32s %-64s";
 unless (-d CONSOLE_LOG_DIR) {
     mkpath(CONSOLE_LOG_DIR, 0, 0755);
 }
@@ -115,6 +117,46 @@ sub create_nodes {
     return $ret;
 }
 
+sub list_nodes {
+    my ($api_url, $node_map, $callback) = @_;
+    my $url = "$api_url/nodes";
+    my $rsp;
+    my $response = http_request("GET", $url);
+    if (!defined($response)) {
+        $rsp->{data}->[0] = "Failed to send list request.";
+        xCAT::MsgUtils->message("E", $rsp, $callback);
+        return 1;
+    }
+    if (!$response->{nodes}) {
+        $rsp->{data}->[0] = "Could not find any node.";
+        xCAT::MsgUtils->message("I", $rsp, $callback);
+        return 0;
+    }
+    $rsp->{data}->[0] = sprintf("\n".PRINT_FORMAT, "NODE", "SERVER", "STATE");
+    xCAT::MsgUtils->message("I", $rsp, $::callback);
+    foreach my $node (sort {$a->{name} cmp $b->{name}} @{$response->{nodes}}) {
+        if (!$node_map->{$node->{name}}) {
+            next;
+        }
+        $node_map->{$node->{name}}->{vis} = 1;
+        if (!$node->{host} || !$node->{state}) {
+            $rsp->{data}->[0] = sprintf(PRINT_FORMAT, $node->{name}, "", "Unable to parse the response message");
+            xCAT::MsgUtils->message("E", $rsp, $callback);
+            next;
+        }
+        $rsp->{data}->[0] = sprintf(PRINT_FORMAT, $node->{name}, $node->{host}, $node->{state});
+        xCAT::MsgUtils->message("I", $rsp, $::callback);
+    }
+    my %node_hash = %{$node_map};
+    for my $node (sort keys %node_hash) {
+        if(!$node_hash{$node}->{vis}) {
+            $rsp->{data}->[0] = sprintf(PRINT_FORMAT, $node, "", "unregistered");
+            xCAT::MsgUtils->message("I", $rsp, $callback);
+        }
+    }
+    return 0;
+}
+
 #-------------------------------------------------------------------------------
 
 =head3  is_xcat_conf_ready
@@ -218,6 +260,8 @@ sub is_conserver_running {
 
 #-------------------------------------------------------------------------------
 sub build_conf {
+    # try to backup the original configuration file, no matter sunccess or not
+    move('/etc/goconserver/server.conf', '/etc/goconserver/server.conf.bak');
     my $config = "#generated by xcat ".xCAT::Utils->Version()."\n".
                  "global:\n".
                  "  host: 0.0.0.0\n".
@@ -231,6 +275,8 @@ sub build_conf {
                  "  datadir: /var/lib/goconserver/                       # the data file to save the hosts\n".
                  "  port: $go_cons_port                                  # the port for console\n".
                  "  log_timestamp: true                                  # log the timestamp at the beginning of line\n".
+                 "  # time precison for tcp or udp logger, precison for file logger is always second\n".
+                 "  time_precision: microsecond                          # Valid options: second, millisecond, microsecond, nanosecond\n".
                  "  reconnect_interval: 10                               # retry interval in second if console could not be connected\n".
                  "  logger:                                              # multiple logger targets could be specified\n".
                  "    file:                                              # file logger, valid fields: name,logdir. Accept array in yaml format\n".
diff --git a/xCAT-server/lib/xcat/plugins/goconserver.pm b/xCAT-server/lib/xcat/plugins/goconserver.pm
index 2cc470b2e..7fb243168 100644
--- a/xCAT-server/lib/xcat/plugins/goconserver.pm
+++ b/xCAT-server/lib/xcat/plugins/goconserver.pm
@@ -19,8 +19,9 @@ my $isSN;
 my $host;
 my $bmc_cons_port = "2200";
 my $usage_string ="   makegocons [-V|--verbose] [-d|--delete] noderange
-    -h|--help        Display this usage statement.
-    -v|--version     Display the version number.";
+    -h|--help                   Display this usage statement.
+    -v|--version                Display the version number.
+    -q|--query  [noderange]     Display the console connection status.";
 
 my $version_string = xCAT::Utils->Version();
 
@@ -86,13 +87,17 @@ sub preprocess_request {
         my $hmcache = $hmtab->getNodesAttribs($noderange, [ 'node', 'serialport', 'cons', 'conserver' ]);
         foreach my $node (@$noderange) {
             my $ent = $hmcache->{$node}->[0]; #$hmtab->getNodeAttribs($node,['node', 'serialport','cons', 'conserver']);
-            push @items, $ent;
+            if ($ent) {
+                push (@items, $ent);
+            } else {
+                my $rsp->{data}->[0] = $node .": ignore, cons attribute or serialport attribute is not specified.";
+                xCAT::MsgUtils->message("I", $rsp, $::callback);
+            }
         }
     } else {
         $allnodes = 1;
         @items = $hmtab->getAllNodeAttribs([ 'node', 'serialport', 'cons', 'conserver' ]);
     }
-
     my @nodes = ();
     foreach (@items) {
         if (((!defined($_->{cons})) || ($_->{cons} eq "")) and !defined($_->{serialport})) {
@@ -314,8 +319,9 @@ sub makegocons {
     }
     @ARGV = @exargs;
     $Getopt::Long::ignorecase = 0;
-    my $delmode;
+    my ($delmode, $querymode);
     GetOptions('d|delete' => \$delmode,
+        'q|query' => \$querymode,
     );
 
     my $svboot = 0;
@@ -329,6 +335,11 @@ sub makegocons {
         xCAT::SvrUtils::sendmsg([ 1, "Could not get any console request entry" ], $::callback);
         return 1;
     }
+    my $api_url = "https://$host:". xCAT::Goconserver::get_api_port();
+    if ($querymode) {
+        return xCAT::Goconserver::list_nodes($api_url, \%cons_map, $::callback)
+    }
+
     my $ret = start_goconserver();
     if ($ret != 0) {
         return 1;
@@ -351,7 +362,6 @@ sub makegocons {
         xCAT::SvrUtils::sendmsg([ 1, "Could not generate the request data" ], $::callback);
         return 1;
     }
-    my $api_url = "https://$host:". xCAT::Goconserver::get_api_port();
     $ret = xCAT::Goconserver::delete_nodes($api_url, $data, $delmode, $::callback);
     if ($delmode) {
         return $ret;