diff --git a/SlnMesnac.Model/dto/MesProductPlanDto.cs b/SlnMesnac.Model/dto/MesProductPlanDto.cs
index 812d7dc..b1fe153 100644
--- a/SlnMesnac.Model/dto/MesProductPlanDto.cs
+++ b/SlnMesnac.Model/dto/MesProductPlanDto.cs
@@ -107,7 +107,7 @@ namespace SlnMesnac.Model.dto
         /// 开始时间 
         ///</summary>
         [SugarColumn(ColumnName = "real_begin_time")]
-        public DateTime RealBeginTime { get; set; }
+        public DateTime? RealBeginTime { get; set; }
 
         /// <summary>
         /// 完成时间 
diff --git a/SlnMesnac.Repository/service/Impl/MesProductPlanServiceImpl.cs b/SlnMesnac.Repository/service/Impl/MesProductPlanServiceImpl.cs
index ee3a9c0..3e6872b 100644
--- a/SlnMesnac.Repository/service/Impl/MesProductPlanServiceImpl.cs
+++ b/SlnMesnac.Repository/service/Impl/MesProductPlanServiceImpl.cs
@@ -188,7 +188,7 @@ namespace SlnMesnac.Repository.service.Impl
                                 PlanCode = plan.PlanCode,
                                 MaterialId = plan.MaterialId,
                                 PlanAmount = plan.PlanAmount,
-                                CompleteAmount = plan.CompleteAmount,
+                                CompleteAmount = plan.CompleteAmount, 
                                 PlanBeginTime = plan.PlanBeginTime,
                                 PlanEndTime = plan.PlanEndTime,
                                 RealBeginTime = plan.RealBeginTime,
diff --git a/SlnMesnac.WPF/Page/ProdMgmtPage.xaml b/SlnMesnac.WPF/Page/ProdMgmtPage.xaml
index ff75267..fd86bce 100644
--- a/SlnMesnac.WPF/Page/ProdMgmtPage.xaml
+++ b/SlnMesnac.WPF/Page/ProdMgmtPage.xaml
@@ -239,7 +239,7 @@
                             <DataGridTextColumn Binding="{Binding PlanAmount,Converter={StaticResource PlanAmountConverter}}" Header="计划数量" Width="1*" IsReadOnly="True"/>
                             <DataGridTextColumn Binding="{Binding CompleteAmount,Converter={StaticResource PlanAmountConverter}}" Header="完成数量" Width="1*" IsReadOnly="True"/>
                             <DataGridTextColumn Binding="{Binding PlanStatus,Converter={StaticResource PlanStatusConverter}}" Header="计划状态" Width="1*" IsReadOnly="True"/>
-                            <DataGridTextColumn Binding="{Binding RealBeginTime ,StringFormat=\{0:MM月dd日 HH:mm\}}" Header="开始时间" Width="1.5*" IsReadOnly="True"/>
+                            <DataGridTextColumn Binding="{Binding PlanBeginTime ,StringFormat=\{0:MM月dd日 HH:mm\}}" Header="开始时间" Width="1.5*" IsReadOnly="True"/>
                             <!--<DataGridTextColumn Binding="{Binding RealEndTime ,StringFormat=\{0:MM月dd日 HH:mm\}}" Header="完成时间" Width="1*" IsReadOnly="True"/>-->
                             <DataGridTemplateColumn Header="操作" Width="2*">
                                 <DataGridTemplateColumn.CellTemplate>
diff --git a/SlnMesnac.WPF/ViewModel/ProdMgmtViewModel.cs b/SlnMesnac.WPF/ViewModel/ProdMgmtViewModel.cs
index 2ee5e8c..7b0baf2 100644
--- a/SlnMesnac.WPF/ViewModel/ProdMgmtViewModel.cs
+++ b/SlnMesnac.WPF/ViewModel/ProdMgmtViewModel.cs
@@ -272,7 +272,7 @@ namespace SlnMesnac.WPF.ViewModel
                 OrderCode = prodPlan.OrderCode;
                 PlanCode = prodPlan.PlanCode;
                 ProductModel = prodPlan.MaterialName;
-                BeginTime = prodPlan.RealBeginTime.ToString("yyyy-MM-dd HH:mm:ss");
+                BeginTime = prodPlan.RealBeginTime==null?"": prodPlan.RealBeginTime.Value.ToString("yyyy-MM-dd HH:mm:ss");
                 PlanAmount = Convert.ToInt32(prodPlan.PlanAmount);
                 ComplateAmout = Convert.ToInt32(prodPlan.CompleteAmount);
                 DiffAmount = Convert.ToInt32(prodPlan.PlanAmount) - Convert.ToInt32(prodPlan.CompleteAmount);
@@ -333,11 +333,15 @@ namespace SlnMesnac.WPF.ViewModel
                         }
                         #endregion
 
-
+                       
                         list.OrderByDescending(x => x.PlanStatus);
                         list.ForEach(
                         arg =>
                         {
+                            if (arg.RealBeginTime!=null && arg.RealBeginTime.Value.Year<2000)
+                            {
+                                arg.RealBeginTime = null;
+                            }
                             PlanInfoDataGrid.Add(arg);
                         });
 
@@ -386,6 +390,7 @@ namespace SlnMesnac.WPF.ViewModel
                 if (info != null)
                 {
                     info.PlanStatus = PlanStatusEnum.已开始;
+                    info.RealBeginTime = DateTime.Now;
                     info.PlanBeginTime = DateTime.Now;
                 }