diff --git a/SGGL/FineUIPro.Web/HJGL/JoinMarking/PDFMarking.aspx.cs b/SGGL/FineUIPro.Web/HJGL/JoinMarking/PDFMarking.aspx.cs
index e3765e91..59a99e29 100644
--- a/SGGL/FineUIPro.Web/HJGL/JoinMarking/PDFMarking.aspx.cs
+++ b/SGGL/FineUIPro.Web/HJGL/JoinMarking/PDFMarking.aspx.cs
@@ -96,7 +96,7 @@ namespace FineUIPro.Web.HJGL.JoinMarking
         /// </summary>
         private void BindGrid()
         {
-            if (!WeldJointlist.ContainsKey(CurrUser.PersonId))
+            if (WeldJointlist.ContainsKey(CurrUser.PersonId))
             {
                 Grid1.RecordCount = WeldJointlist[CurrUser.PersonId].Count;
                 Grid1.DataSource = WeldJointlist[CurrUser.PersonId];