diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
index 1623a74..a31534f 100644
--- a/ViewModel/MainWindowViewModel.cs
+++ b/ViewModel/MainWindowViewModel.cs
@@ -938,9 +938,13 @@ namespace DyeingComputer.ViewModel
         {
             await Task.Run(() =>
             {
-                SYSData_A = ToObservableCollection<DATA_A>(dt_a);
-                SYSData_D = ToObservableCollection<DATA_D>(dt_d);
-                SYSData_M = ToObservableCollection<DATA_M>(dt_m);
+                try
+                {
+                    SYSData_A = ToObservableCollection<DATA_A>(dt_a);
+                    SYSData_D = ToObservableCollection<DATA_D>(dt_d);
+                    SYSData_M = ToObservableCollection<DATA_M>(dt_m);
+                }
+                catch (Exception ex) { Name_err = "IO" + "(" + ex.Message + ")"; }
             });
         }