diff --git a/src_tenwa/com/tenwa/apzl/discount/AssetsOffCallBack.java b/src_tenwa/com/tenwa/apzl/discount/AssetsOffCallBack.java
index 4b771f5c1..6a2c5b0d4 100644
--- a/src_tenwa/com/tenwa/apzl/discount/AssetsOffCallBack.java
+++ b/src_tenwa/com/tenwa/apzl/discount/AssetsOffCallBack.java
@@ -14,7 +14,6 @@ import com.tenwa.comm.exception.BusinessException;
 import com.tenwa.officetempalte.importcallback.impl.BaseImportExcelCallBack;
 
 public class AssetsOffCallBack extends BaseImportExcelCallBack{
-	
 	@Override
 	public void run(ASUser CurUser, BizObject importObject,
 			Map<String, String> model, Integer rowIndex, JBOTransaction tx,
@@ -93,15 +92,19 @@ public class AssetsOffCallBack extends BaseImportExcelCallBack{
 			throw new BusinessException(e.getMessage());
 		}
 		
-		//importObject.setAttributeValue("stores_day", stores_day);
-		
 		
 		//查询该合同号是否存在
 		BizObjectManager contractInfoManager = JBOFactory.getBizObjectManager(LB_CONTRACT_INFO.CLASS_NAME,tx);
 		BizObject contractInfo = contractInfoManager.createQuery("CONTRACT_NO=:CONTRACT_NO").setParameter("CONTRACT_NO", contractNo).getSingleResult(true);
 		if (contractInfo==null) {
 			throw new BusinessException("该合同号  "+contractNo+" 不存在！");
-		}	
+		}
+		//已经存在资产转出方的不允许导入
+		String ass = contractInfo.getAttribute("ASSETTRANSFERER")==null? "" : contractInfo.getAttribute("ASSETTRANSFERER").toString();
+		if (!"".equals(ass)) {
+			throw new BusinessException("该合同号  "+contractNo+" 已存在<<资产转出方>> 请勿重复导入！");	
+		}
+		
 		contractInfo.setAttributeValue("ASSETTRANSFERER", assettransferer);
 		contractInfo.setAttributeValue("TRANSFERDATE", transferdate);
 		contractInfo.setAttributeValue("TURNOUTREMARKS", turnoutremarks);