diff --git a/cronjob/media/heic_to_jpeg.py b/cronjob/media/heic_to_jpeg.py
index 987ef1e..226021f 100644
--- a/cronjob/media/heic_to_jpeg.py
+++ b/cronjob/media/heic_to_jpeg.py
@@ -26,12 +26,13 @@ class S:
         self.del_images = list()
 
     def __del__(self):
-        self.col_image.close()
         cnt = 0
         for lp in self.del_images:
             os.remove(lp)
             cnt += 1
         print("{} files removed".format(cnt))
+        self.col_image.close()
+
 
     def upload_img_to_oss(self, local_path: str, oss_src_id: str):
         return self.bucket.put_object_from_file(oss_src_id, local_path)