打印请求日志，以对比必填项

src/main/java/com/sczx/pay/alipay/service/impl/ItemServiceImpl.java

@@ -140,7 +140,7 @@ public class ItemServiceImpl implements ItemService {
 
                 // 设置属性列表
                 model.setAttrs(getItemAttrs(param, model.getImageList(), model.getItemType()));
-
+                logger.info("属性列表：" + model);
                 request.setBizModel(model);
                 return alipaySdkUtil.execute(request);
             }