diff --git a/cVMS.NET_CS/HMI/MainDisplay/DispCtrl.cs b/cVMS.NET_CS/HMI/MainDisplay/DispCtrl.cs
index 2a6631a..2edc5a1 100644
--- a/cVMS.NET_CS/HMI/MainDisplay/DispCtrl.cs
+++ b/cVMS.NET_CS/HMI/MainDisplay/DispCtrl.cs
@@ -1587,7 +1587,7 @@ namespace vmsnet.HMI
                 {
                     using (var ifont = new Font(this.font_header, FontStyle.Bold))
                     {
-                        String nbstr = "▣ NULL BALANCE ▣";
+                        String nbstr = $"▣ {grp.이름} - NULL BALANCE ▣";
                         nbstr += "\n\n▶L:" + grp._null_valueL.ToString("#0.00") + "v";
                         nbstr += ",R:" + grp._null_valueR.ToString("#0.00") + "v";
                         nbstr += "    ▶DEV(R-L):" + (grp._null_valueR - grp._null_valueL).ToString("#0.00") + "v";