diff --git a/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx b/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx
index 1b89d1a1..e92cd227 100644
--- a/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx
+++ b/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx
@@ -28,7 +28,7 @@
                     <Toolbars>
                         <f:Toolbar ID="Toolbar2" Position="Top" runat="server">
                             <Items>
-                                <f:DatePicker ID="txtMonth" runat="server" Label="月份" LabelAlign="Right" DateFormatString="yyyy-MM" DisplayType="Month" LabelWidth="120px"></f:DatePicker>
+                                <f:DatePicker ID="txtMonth" runat="server" Label="月份" LabelAlign="Right" DateFormatString="yyyy-MM" DisplayType="Month" AutoPostBack="true" OnTextChanged="txtMonth_TextChanged" LabelWidth="120px"></f:DatePicker>
                                 <f:TextBox runat="server" ID="hdId" Hidden="true"></f:TextBox>
                                 <f:ToolbarFill runat="server"></f:ToolbarFill>
                                 <f:Button ID="BtnAnalyse" Text="统计" Icon="ChartPie"
diff --git a/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx.cs b/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx.cs
index 32b09740..8395a2bd 100644
--- a/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx.cs
+++ b/SGGL/FineUIPro.Web/PZHGL/InformationProject/MonthConstructionLogWorkEfficiencySum.aspx.cs
@@ -247,5 +247,11 @@ namespace FineUIPro.Web.PZHGL.InformationProject
             }
         }
         #endregion
+
+        protected void txtMonth_TextChanged(object sender, EventArgs e)
+        {
+            Grid1.DataSource = null;
+            Grid1.DataBind();
+        }
     }
 }
\ No newline at end of file