diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/ExportToPc.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/ExportToPc.cs
index ec15a59..0bc0ee5 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/ExportToPc.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/ExportToPc.cs
@@ -149,18 +149,27 @@ namespace Mesnac.Action.ChemicalWeighing.LjReport.WetWaitTime
 
                 dt.Rows.Add(dr);
             }
-            var edr = dt.NewRow();
-            edr[0] = "湿混等待时间总和";
-            edr[1] = TimeConvert(list.Sum(x => x.MixWaitTime));
-            dt.Rows.Add(edr);
-            var edr1 = dt.NewRow();
-            edr1[0] = "RGV等待时间总和";
-            edr1[1] = TimeConvert(list.Sum(x => x.RgvWaitTime));
-            dt.Rows.Add(edr1);
-            var edr2 = dt.NewRow();
-            edr2[0] = "总等待时间总和";
-            edr2[1] = TimeConvert(list.Sum(x => x.MixWaitTime + x.RgvWaitTime));
-            dt.Rows.Add(edr2);
+
+            try
+            {
+                var edr = dt.NewRow();
+                edr[0] = "湿混等待时间总和";
+                edr[1] = TimeConvert(list.Sum(x => x.MixWaitTime));
+                dt.Rows.Add(edr);
+                var edr1 = dt.NewRow();
+                edr1[0] = "RGV等待时间总和";
+                edr1[1] = TimeConvert(list.Sum(x => x.RgvWaitTime));
+                dt.Rows.Add(edr1);
+                var edr2 = dt.NewRow();
+                edr2[0] = "总等待时间总和";
+                edr2[1] = TimeConvert(list.Sum(x => x.MixWaitTime + x.RgvWaitTime));
+                dt.Rows.Add(edr2);
+            }
+            catch (OverflowException ex)
+            {
+                MessageBox.Show("算术值溢出！请检查数据是否有误");
+            }
+
         }
 
         /// <summary>
diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/WetTimeCounting.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/WetTimeCounting.cs
index cc33ec4..21ac4a0 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/WetTimeCounting.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjReport/WetWaitTime/WetTimeCounting.cs
@@ -10,6 +10,7 @@ using System.Data;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Forms;
 
 namespace Mesnac.Action.ChemicalWeighing.LjReport.WetWaitTime
 {
@@ -225,18 +226,25 @@ namespace Mesnac.Action.ChemicalWeighing.LjReport.WetWaitTime
 
                 dt.Rows.Add(dr);
             }
-            var edr = dt.NewRow();
-            edr[0] = "湿混等待时间总和";
-            edr[1] = TimeConvert(list.Sum(x => x.MixWaitTime));
-            dt.Rows.Add(edr);
-            var edr1 = dt.NewRow();
-            edr1[0] = "RGV等待时间总和";
-            edr1[1] = TimeConvert(list.Sum(x => x.RgvWaitTime));
-            dt.Rows.Add(edr1);
-            var edr2 = dt.NewRow();
-            edr2[0] = "总等待时间总和";
-            edr2[1] = TimeConvert(list.Sum(x => x.MixWaitTime + x.RgvWaitTime));
-            dt.Rows.Add(edr2);
+            try
+            {
+                var edr = dt.NewRow();
+                edr[0] = "湿混等待时间总和";
+                edr[1] = TimeConvert(list.Sum(x => x.MixWaitTime));
+                dt.Rows.Add(edr);
+                var edr1 = dt.NewRow();
+                edr1[0] = "RGV等待时间总和";
+                edr1[1] = TimeConvert(list.Sum(x => x.RgvWaitTime));
+                dt.Rows.Add(edr1);
+                var edr2 = dt.NewRow();
+                edr2[0] = "总等待时间总和";
+                edr2[1] = TimeConvert(list.Sum(x => x.MixWaitTime + x.RgvWaitTime));
+                dt.Rows.Add(edr2);
+            }
+            catch (OverflowException ex)
+            {
+                MessageBox.Show("算术值溢出！请检查数据是否有误");
+            }
         }
 
         private string TimeConvert(int t)
diff --git a/Main/MCEdit/Data/MCProject/nodeForm/WeterTimeCount.xml b/Main/MCEdit/Data/MCProject/nodeForm/WeterTimeCount.xml
index 15eb5e6..402bf55 100644
--- a/Main/MCEdit/Data/MCProject/nodeForm/WeterTimeCount.xml
+++ b/Main/MCEdit/Data/MCProject/nodeForm/WeterTimeCount.xml
@@ -25,12 +25,11 @@
       <Property name="DbOptionType">None</Property>
       <Property name="MCVisible">True</Property>
       <Property name="MCEnabled">True</Property>
-      <Property name="AutoGenerateColumns">False</Property>
       <Property name="MultiSelect">False</Property>
       <Property name="Location">348, 12</Property>
       <Property name="Name">MoreData</Property>
       <Property name="Size">530, 622</Property>
-      <Property name="TabIndex">7</Property>
+      <Property name="TabIndex">9</Property>
     </Object>
     <Object type="System.Windows.Forms.GroupBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" name="GroupBox1" children="Controls">
       <Object type="Mesnac.Controls.Default.MCButton, Mesnac.Controls.Default, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" name="DataExport" children="Controls">