diff --git a/UI/BlockParameterModel.py b/UI/BlockParameterModel.py
index 6927b54..000b3fd 100644
--- a/UI/BlockParameterModel.py
+++ b/UI/BlockParameterModel.py
@@ -218,7 +218,8 @@ class VarButtonDelegate(QItemDelegate):
         blockManage = Globals.getValue('blockManage')
 
         if modelIndex or str(modelIndex) == '0' :
-            value = modelIndex
+            values = modelIndex
+            self.refreshData(modelIndex)
 
         else:
             parmIndex = model.datas[sender.index[0]][0]
@@ -240,7 +241,7 @@ class VarButtonDelegate(QItemDelegate):
                                                 QMessageBox.Yes)
                     return
             res = blockManage.writeParmValue(blockType, blockIndex, parmIndex, values)
-     
+            self.refreshData()
     
     def refreshData(self, modelIndex = None):
         sender = self.sender()