diff --git a/perl-xCAT/xCAT/Common.pm b/perl-xCAT/xCAT/Common.pm
index 3844243fd..ec14c8d1e 100644
--- a/perl-xCAT/xCAT/Common.pm
+++ b/perl-xCAT/xCAT/Common.pm
@@ -124,7 +124,7 @@ sub usage_noderange {
   if (!$noderange) {
     $usage_string="Missing Noderange\n";
     $usage_string .=xCAT::Usage->getUsage($command);
-    $callback->({data=>$usage_string});
+    $callback->({error=>[$usage_string],errorcode=>[1]});
     $request = {};
     return;
   }   
diff --git a/xCAT-server/lib/xcat/plugins/blade.pm b/xCAT-server/lib/xcat/plugins/blade.pm
index 28dfe6507..0335d2780 100644
--- a/xCAT-server/lib/xcat/plugins/blade.pm
+++ b/xCAT-server/lib/xcat/plugins/blade.pm
@@ -1950,7 +1950,7 @@ sub preprocess_request {
   if (!$noderange) {
     $usage_string="Missing Noderange\n";
     $usage_string .=xCAT::Usage->getUsage($command);
-    $callback->({data=>$usage_string});
+    $callback->({error=>[$usage_string],errorcode=>[1]});
     $request = {};
     return;
   }