diff --git a/WebContent/ProductManage/ProductConfig/ProductInfo.jsp b/WebContent/ProductManage/ProductConfig/ProductInfo.jsp
index 8e48cd64c..a3cc543d2 100644
--- a/WebContent/ProductManage/ProductConfig/ProductInfo.jsp
+++ b/WebContent/ProductManage/ProductConfig/ProductInfo.jsp
@@ -13,6 +13,7 @@
 	Map<String,Object> map =inputParameter.convertToMap();
 	String typeNo = map.get("TypeNo").toString();
 	String serialNo = Sqlca.getString("select serialno from prd_specific_library where businesstype = '" + typeNo + "'");
+	serialNo = serialNo == null ? "" : serialNo;
 	String catalogNo = (String)map.get("SortNo");
 	ASObjectWindow dwTemp =ObjectWindowHelper.createObjectWindow_Info("PRD_ProductInfo", inputParameter, CurPage, request);
 	ASDataObject doTemp=dwTemp.getDataObject();