diff --git a/os/glog/glog_logger_rotate.go b/os/glog/glog_logger_rotate.go
index 5a206f351..6e7ca96de 100644
--- a/os/glog/glog_logger_rotate.go
+++ b/os/glog/glog_logger_rotate.go
@@ -100,13 +100,9 @@ func (l *Logger) doRotateFile(ctx context.Context, filePath string) error {
 		}
 	}
 	intlog.Printf(ctx, "rotating file by size from %s to %s", filePath, newFilePath)
-
-	if err := gfile.CopyFile(filePath, newFilePath); err != nil {
-		intlog.Error(ctx, "copy file to: ", newFilePath, err)
+	if err := gfile.Rename(filePath, newFilePath); err != nil {
 		return err
 	}
-	gfile.Truncate(filePath, 0)
-
 	return nil
 }