diff --git a/WMS-BS/NFine.Application/WMS/WMSDeleteReceipts.cs b/WMS-BS/NFine.Application/WMS/WMSDeleteReceipts.cs
index 42e17c3..f0d56b7 100644
--- a/WMS-BS/NFine.Application/WMS/WMSDeleteReceipts.cs
+++ b/WMS-BS/NFine.Application/WMS/WMSDeleteReceipts.cs
@@ -1083,20 +1083,24 @@ namespace NFine.Application.WMS
 		                                    AND b.LotNo NOT LIKE '%-%' 
 		                                    GROUP BY a.SDNCode,a.Sequence,a.SDNQuantity";
                 }
-                var datas = Repository().FindDataSetBySql(sql).Tables[0];
-                if(datas.Rows.Count<1)
-                   return msg.ToString();
-                foreach (DataRow data in datas.Rows) 
+                if (!sql.IsEmpty())
                 {
-                    string code= data["Code"].ToString();
-                    string sequence = data["Sequence"].ToString();
-                    decimal quantity = data["Quantity"].ToDecimal();
-                    decimal issueQuantity= data["IssueQuantity"].ToDecimal();
-                    if (quantity!= issueQuantity) 
+                    var datas = Repository().FindDataSetBySql(sql).Tables[0];
+                    if (datas.Rows.Count < 1)
+                        return msg.ToString();
+                    foreach (DataRow data in datas.Rows)
                     {
-                        msg.Append($@"单据号：{code},行号：{sequence},已经生成条码，请先删除条码后再取消单据;   ");
+                        string code = data["Code"].ToString();
+                        string sequence = data["Sequence"].ToString();
+                        decimal quantity = data["Quantity"].ToDecimal();
+                        decimal issueQuantity = data["IssueQuantity"].ToDecimal();
+                        if (quantity != issueQuantity)
+                        {
+                            msg.Append($@"单据号：{code},行号：{sequence},已经生成条码，请先删除条码后再取消单据;   ");
+                        }
                     }
                 }
+
                 return msg.ToString();
             }