diff --git a/tools/rankserver/game2003rank.py b/tools/rankserver/game2003rank.py
index e70a709..2aca2b2 100644
--- a/tools/rankserver/game2003rank.py
+++ b/tools/rankserver/game2003rank.py
@@ -102,7 +102,7 @@ def _fullUpdateRank(rushtime):
                         lambda : _fullUpdateRank(rushtime))
     f7.app.createAsyncTask(done_callback, fullUpdateRank, ())
 
-def incrementUpdateRank(rushtime):
+def incrementUpdateRank():
     f7.udplog.info('incrementUpdateRank begin')
     mysql_conf = json.loads(open(CONFIG_DIR + '/rankserver.mysql.cluster.json', 'r').read())
     r = _getRedis()