git-svn-id: svn+ssh://10.10.101.21/source/platform/platform-b2b@316 f3bf4e98-0cf0-11e4-a00c-a99a8b9d557d

src/main/java/com/uas/platform/b2b/model/PurchaseOrderChangeItem.java

@@ -53,7 +53,7 @@ public class PurchaseOrderChangeItem {
 	/**
 	 * 新产品
 	 */
-	@OneToOne(cascade = { CascadeType.ALL })
+	@OneToOne(cascade = { CascadeType.MERGE })
 	@JoinColumn(name = "pd_newprid", insertable = false, updatable = false)
 	private Product newProduct;