Index: ssts-web/src/main/webapp/disinfectsystem/basedatamanager/deviceInterface/deviceInterfaceForm.js
===================================================================
diff -u -r40581 -r40582
--- ssts-web/src/main/webapp/disinfectsystem/basedatamanager/deviceInterface/deviceInterfaceForm.js	(.../deviceInterfaceForm.js)	(revision 40581)
+++ ssts-web/src/main/webapp/disinfectsystem/basedatamanager/deviceInterface/deviceInterfaceForm.js	(.../deviceInterfaceForm.js)	(revision 40582)
@@ -392,7 +392,6 @@
 
 function showCmt(wrapId,id,allowBlank,comboStore){
 	top.Ext.getCmp(wrapId).show();
-	top.Ext.getCmp(id).setValue('');
 	if(comboStore){
 		top.Ext.getCmp(id).bindStore(comboStore);
 	}
@@ -405,7 +404,6 @@
 }
 function hideCmt(wrapId,id,allowBlank){
 	top.Ext.getCmp(wrapId).hide();
-	top.Ext.getCmp(id).setValue('');
 	if(allowBlank){
 		top.Ext.getCmp(id).allowBlank = true;
 		top.Ext.getCmp(id).clearInvalid();