diff --git a/Correlator/ViewModels/NumericKeypadDialogViewModel.cs b/Correlator/ViewModels/NumericKeypadDialogViewModel.cs
index 852c15b..c75d639 100644
--- a/Correlator/ViewModels/NumericKeypadDialogViewModel.cs
+++ b/Correlator/ViewModels/NumericKeypadDialogViewModel.cs
@@ -120,7 +120,7 @@
             });
             DetermineCommand = new DelegateCommand(delegate
             {
-                var number = Convert.ToInt32(string.Join("", NumberCache));
+                var number = !NumberCache.Any() ? 0 : Convert.ToInt32(string.Join("", NumberCache));
 
                 //管径
                 if (RuntimeCache.FillDataTextBox.Equals("PipeDiameterTextBox"))
@@ -193,9 +193,6 @@
                 //重置数字键盘参数
                 NumberCache.Clear();
                 RuntimeCache.FillDataTextBox = "PipeDiameterTextBox";
-                
-                //关闭键盘
-                RequestClose?.Invoke(new DialogResult());
             });
         }