diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index fb03014..a934274 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -545,6 +545,9 @@ namespace formula_manage
 
         private void CP_PRODUCT_CODE_LostFocus(object sender, RoutedEventArgs e)
         {
+            System.Windows.Controls.ComboBox curComboBox = sender as System.Windows.Controls.ComboBox;
+            string a = curComboBox.Text;
+            MainWindowViewModel.STUFFdatatemp.Select("ProductCode ='"+ a +"'");
 
         }
     }
diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
index 7b6016a..eef55c1 100644
--- a/ViewModel/MainWindowViewModel.cs
+++ b/ViewModel/MainWindowViewModel.cs
@@ -44,6 +44,8 @@ namespace formula_manage.ViewModel
         DataTable RRODUCTdataTable = new DataTable();   //建立RRODUCT缓存
         DataTable RecipedataTable = new DataTable();   //建立Recipe缓存
 
+        public static DataTable STUFFdatatemp = new DataTable();   //建立STUFF缓存
+
         public string INIPath = Convert.ToString(System.AppDomain.CurrentDomain.BaseDirectory) + "formula.ini"; //配置文件路径
         public string sys_Time;  //显示系统时间
         public string Sys_Time  //通知UI控件参数改变