diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index a934274..a9bc0cf 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -486,6 +486,10 @@ namespace formula_manage
         {
             if (e.Key == Key.Enter)
             {
+                System.Windows.Controls.ComboBox curComboBox = sender as System.Windows.Controls.ComboBox;
+                string a = curComboBox.Text;
+                if (a == "") return;
+
                 PressKey.PressKeys(Keys.Right, false);
                 PressKey.PressKeys(Keys.Right, true);
                 //   PressKey.PressKeys(Keys.Up, false);
@@ -505,27 +509,27 @@ namespace formula_manage
         private void CP_CONC_KeyUp(object sender, System.Windows.Input.KeyEventArgs e)//目标饱和度输入事件
         {
             double ang;
-            double conc;
+            double conc=0;
 
             System.Windows.Controls.TextBox curTextBox = sender as System.Windows.Controls.TextBox;
 
-            if (!double.TryParse(curTextBox.Text, out ang) && curTextBox.Text != "")
-            {
-                System.Windows.MessageBox.Show("错误，重新输入");
-                curTextBox.Text = "";
-            }
-            else
+            if (e.Key == Key.Enter)
             {
-                conc = double.Parse(curTextBox.Text);  //转换后判断数值输入是否异常
-                if (conc > 100) 
+                if (!double.TryParse(curTextBox.Text, out ang))
                 {
-                    System.Windows.MessageBox.Show("比例错误");
+                    System.Windows.MessageBox.Show("错误，重新输入");
                     curTextBox.Text = "";
-                    return;
                 }
-
-                if (e.Key == Key.Enter)
+                else
                 {
+                    if (curTextBox.Text != "") conc = double.Parse(curTextBox.Text);  //转换后判断数值输入是否异常
+                    if (conc > 100)
+                    {
+                        System.Windows.MessageBox.Show("比例错误");
+                        curTextBox.Text = "";
+                        return;
+                    }
+
                     PressKey.PressKeys(Keys.Left, false);
                     PressKey.PressKeys(Keys.Left, true);
                     PressKey.PressKeys(Keys.Tab, false);
@@ -535,11 +539,13 @@ namespace formula_manage
                     row = RRODUCTdataTable.NewRow();
                     ID_N++;
                     row["ID"] = ID_N;
+                    row["STEP"] = "1";
                     row["UNIT"] = "g";
                     //       row["STEP"] = Procedures_P.Text;
                     RRODUCTdataTable.Rows.Add(row);
+
+                    DataGridHelper.SetRealTimeCommit(Grid_RRODUCT, true);   //实时更新datagrid
                 }
-                DataGridHelper.SetRealTimeCommit(Grid_RRODUCT, true);   //实时更新datagrid
             }
         } //目标饱和度输入事件
 
@@ -547,8 +553,14 @@ namespace formula_manage
         {
             System.Windows.Controls.ComboBox curComboBox = sender as System.Windows.Controls.ComboBox;
             string a = curComboBox.Text;
-            MainWindowViewModel.STUFFdatatemp.Select("ProductCode ='"+ a +"'");
 
+            DataTable data = null;
+            if (a != "")
+            {
+                data = MainWindowViewModel.STUFFdatatemp.Select("ProductCode ='" + a + "'").CopyToDataTable();
+                //Grid_RRODUCT.ItemsSource = data.Columns.//Add("ProductName").ToString();
+
+            }
         }
     }
 }
diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
index eef55c1..cc38112 100644
--- a/ViewModel/MainWindowViewModel.cs
+++ b/ViewModel/MainWindowViewModel.cs
@@ -95,7 +95,6 @@ namespace formula_manage.ViewModel
                 Dissolve_data.Fill(DissolvedataTable);    //Dissolve_data查询结果存入缓存  
 
                 conn_SC.Close();  //关闭连接
-
             }
             catch (Exception)
             {
@@ -113,6 +112,8 @@ namespace formula_manage.ViewModel
             mac_Machine = ToObservableCollection<Machine>(MACHINEdataTable);
             flow_Workflow = ToObservableCollection<Workflow>(DissolvedataTable);
 
+            STUFFdatatemp = STUFFdataTable;
+
         }
 
         public ObservableCollection<Product> stuff_Product { get; set; }  //stuff_Product动态表实力化