diff --git a/DM_Weight/Report/GridReportUtil.cs b/DM_Weight/Report/GridReportUtil.cs
index 4c336ff..a688926 100644
--- a/DM_Weight/Report/GridReportUtil.cs
+++ b/DM_Weight/Report/GridReportUtil.cs
@@ -460,7 +460,7 @@ namespace DM_Weight.Report
             {
                 SQL += " AND ac.drug_id='" + drug_id + "' ";
             }
-            SQL += " ORDER BY di.drug_id,ac.create_time desc";
+            SQL += " ORDER BY di.drug_id,ac.create_time";
 
             Report.DetailGrid.Recordset.QuerySQL = SQL;
             Report.PrintPreview(true);