将fmt修改成log打印

Signed-off-by: zouap <zouap@pcl.ac.cn>

models/attachment.go

@@ -266,10 +266,10 @@ func DeleteAttachments(attachments []*Attachment, remove bool) (int, error) {
 				log.Info("delete obs file:" + input.Key)
 				output, err := storage.ObsCli.DeleteObject(input)
 				if err == nil {
-					fmt.Printf("RequestId:%s\n", output.RequestId)
+					log.Info("RequestId:%s\n", output.RequestId)
 				} else if obsError, ok := err.(obs.ObsError); ok {
-					fmt.Printf("Code:%s\n", obsError.Code)
-					fmt.Printf("Message:%s\n", obsError.Message)
+					log.Info("Code:%s\n", obsError.Code)
+					log.Info("Message:%s\n", obsError.Message)
 				}
 			}