diff --git a/downloadmgr/download.py b/downloadmgr/download.py
index 2a4011a..167d093 100644
--- a/downloadmgr/download.py
+++ b/downloadmgr/download.py
@@ -1,6 +1,7 @@
 import time
 import json
 from appPublic.dictObject import DictObject
+from appPublic.log import debug, exception
 from sqlor.dbpools import DBPools
 from ahserver.serverenv import ServerEnv, get_serverenv