diff --git a/common/tool_cmd.py b/common/tool_cmd.py
index ad9a9ea72450d0bf429570dfaf836c9bc161bf98..f1bc2c785fa771cc25b67424ea6ff4b7462e10bd 100644
--- a/common/tool_cmd.py
+++ b/common/tool_cmd.py
@@ -65,6 +65,10 @@ class ToolCmd:
             ival = int(val)
         except ValueError:
             raise argparse.ArgumentTypeError("invalid value, should set to 1, default 1 if no value set")
+        
+        #if ival not in [1,2]:
+        if ival != 1:
+            raise argparse.ArgumentTypeError("invalid value, should set to 1, default 1 if not value set")
 
         return ival