diff --git a/.vs/HighWayIot/FileContentIndex/17c4cbf0-405e-47cd-9c6d-7c09f592e00f.vsidx b/.vs/HighWayIot/FileContentIndex/17c4cbf0-405e-47cd-9c6d-7c09f592e00f.vsidx
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diff --git a/.vs/HighWayIot/v17/.suo b/.vs/HighWayIot/v17/.suo
index 6257794..2943e14 100644
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diff --git a/Aucma.Scada.UI/obj/Debug/Aucma.Scada.UI.csproj.AssemblyReference.cache b/Aucma.Scada.UI/obj/Debug/Aucma.Scada.UI.csproj.AssemblyReference.cache
index 9416371..2faa3f9 100644
Binary files a/Aucma.Scada.UI/obj/Debug/Aucma.Scada.UI.csproj.AssemblyReference.cache and b/Aucma.Scada.UI/obj/Debug/Aucma.Scada.UI.csproj.AssemblyReference.cache differ
diff --git a/Aucma.Scada.UI/viewModel/InStoreInfo/InStoreInfoViewModel.cs b/Aucma.Scada.UI/viewModel/InStoreInfo/InStoreInfoViewModel.cs
index 134e003..f9f56c9 100644
--- a/Aucma.Scada.UI/viewModel/InStoreInfo/InStoreInfoViewModel.cs
+++ b/Aucma.Scada.UI/viewModel/InStoreInfo/InStoreInfoViewModel.cs
@@ -243,23 +243,26 @@ namespace Aucma.Scada.UI.viewModel.InStoreInfo
                     {
                         materialTypeCombox = string.Empty;
                     }
-                    info = info.Where(x => !string.IsNullOrEmpty(search) ? x.materialCode == search : 1 == 1 && !string.IsNullOrEmpty(materialTypeCombox) ? x.storeCode == materialTypeCombox : 1 == 1).ToList();
+                    
 
                     taskItems = new ObservableCollection<RealTaskInfo>();
                     //info.ForEach(x => RefreshInStoreTask(x));
                     try
                     {
-                        
-                        App.Current.Dispatcher.BeginInvoke((Action)(() =>
+                        if(info.Count > 0)
                         {
-                            foreach (var item in info)
+                            info = info.Where(x => !string.IsNullOrEmpty(search) ? x.materialCode == search : 1 == 1 && !string.IsNullOrEmpty(materialTypeCombox) ? x.storeCode == materialTypeCombox : 1 == 1).ToList();
+                            App.Current.Dispatcher.BeginInvoke((Action)(() =>
                             {
-                                item.materialType = inStoreBusiness.GetMaterialName(item.materialType);
-                                taskItems.Add(item);
-                            }
+                                foreach (var item in info)
+                                {
+                                    item.materialType = inStoreBusiness.GetMaterialName(item.materialType);
+                                    taskItems.Add(item);
+                                }
 
-                            InstoreTask = taskItems;
-                        }));
+                                InstoreTask = taskItems;
+                            }));
+                        }
                     }
                     catch (Exception ex)
                     {
diff --git a/HighWayIot.Repository/obj/Debug/HighWayIot.Repository.csproj.AssemblyReference.cache b/HighWayIot.Repository/obj/Debug/HighWayIot.Repository.csproj.AssemblyReference.cache
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index 715b851..596fa0f 100644
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