切换CANLIN配置程序后的数据刷新，如果当前的没有，则刷新，不需要展示上一次的数据

CapMachine.Wpf/ViewModels/CANFDConfigViewModel.cs

@@ -245,11 +245,19 @@ namespace CapMachine.Wpf.ViewModels
                         //});
                     }
                 }
+                else
+                {
+                    ListWriteCanLinRWConfigDto = new ObservableCollection<CanLinRWConfigDto>();
+                }
                 var ReadData = SelectCanLinConfigPro.CanLinConfigContents!.Where(a => a.RWInfo == RW.Read).ToList();
                 if (ReadData != null && ReadData.Count > 0)
                 {
                     ListReadCanLinRWConfigDto = new ObservableCollection<CanLinRWConfigDto>(Mapper.Map<List<CanLinRWConfigDto>>(ReadData));
                 }
+                else
+                {
+                    ListReadCanLinRWConfigDto = new ObservableCollection<CanLinRWConfigDto>();
+                }
 
                 //匹配选中的SelectCanLinConfigPro.CanLinConfigContents和ListCanDbcModel
                 MatchSeletedAndCanDbcModel();