diff --git a/downloadmgr/download.py b/downloadmgr/download.py
index 095e4b2..12047b7 100644
--- a/downloadmgr/download.py
+++ b/downloadmgr/download.py
@@ -1,5 +1,6 @@
 import time
 import json
+from traceback import format_exc
 from appPublic.dictObject import DictObject
 from appPublic.log import debug, exception
 from sqlor.dbpools import DBPools
@@ -13,7 +14,7 @@ class DownloadMgr:
 		keys.sort()
 		debug(f'{keys=}')
 		self.uapi = self.env.UAPI(request, env=self.env)
-		self.uappid = 'downloader'
+		self.upappid = 'downloader'
 
 	async def save_finished_task(self, taskid):
 		db = DBPools()
@@ -55,7 +56,7 @@ and finish_time is NULL"""
 		
 	async def uapicall(self, apiname, ns):
 		userid = await self.env.get_user()
-		x = self.uapi.call(self.uappname,
+		x = self.uapi.call(self.upappid,
 					apiname,
 					userid,
 					ns)