diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 0d169fa..fb03014 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -502,19 +502,28 @@ namespace formula_manage
 
         }
 
-        private void CP_CONC_KeyUp(object sender, System.Windows.Input.KeyEventArgs e)
+        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;
 
             System.Windows.Controls.TextBox curTextBox = sender as System.Windows.Controls.TextBox;
 
             if (!double.TryParse(curTextBox.Text, out ang) && curTextBox.Text != "")
             {
-                System.Windows.MessageBox.Show("数值错误，重新输入");
+                System.Windows.MessageBox.Show("错误，重新输入");
                 curTextBox.Text = "";
             }
             else
             {
+                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;
+                }
+
                 if (e.Key == Key.Enter)
                 {
                     PressKey.PressKeys(Keys.Left, false);
@@ -529,7 +538,6 @@ namespace formula_manage
                     row["UNIT"] = "g";
                     //       row["STEP"] = Procedures_P.Text;
                     RRODUCTdataTable.Rows.Add(row);
-
                 }
                 DataGridHelper.SetRealTimeCommit(Grid_RRODUCT, true);   //实时更新datagrid
             }