修改了sdk附件删除的返回信息

mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/DefaultAttachmentClient.java

@@ -235,7 +235,7 @@ public class DefaultAttachmentClient implements AttachmentClient {
 				});
 			});
 		});
-		return op.isPresent();
+		return op.map(detail -> detail.values().size() > 0).orElseGet(() -> false);
 	}
 
 	/**