diff --git a/ds-wms-service/DS.WMS.Core/Op/EDI/InttraEdiHelper.cs b/ds-wms-service/DS.WMS.Core/Op/EDI/InttraEdiHelper.cs
index dd798d0d..3bfdea8d 100644
--- a/ds-wms-service/DS.WMS.Core/Op/EDI/InttraEdiHelper.cs
+++ b/ds-wms-service/DS.WMS.Core/Op/EDI/InttraEdiHelper.cs
@@ -392,7 +392,7 @@ namespace DS.WMS.Core.Op.EDI
                 }
                 else
                 {
-                    if (headData.EDIREMARK.IndexOf("PLEASE BOOK OCEAN CARRIER") > -1 || headData.EDIREMARK.ToString().Trim() == "")
+                    if (!string.IsNullOrWhiteSpace(headData.EDIREMARK) && (headData.EDIREMARK.IndexOf("PLEASE BOOK OCEAN CARRIER") > -1 || headData.EDIREMARK.ToString().Trim() == ""))
                     {
                         if (headData.CARRIEREDICODE == "COSU")
                         {
@@ -406,7 +406,7 @@ namespace DS.WMS.Core.Op.EDI
                     }
                     else
                     {
-                        if (StringIsChinese(headData.EDIREMARK))
+                        if (!string.IsNullOrWhiteSpace(headData.EDIREMARK) && StringIsChinese(headData.EDIREMARK))
                         {
                             error = error + "<br />提单号：" + headData.MBLNO + " EDI备注中含有中文或双字节字符";
                         }