diff --git a/tools/rankserver/app.py b/tools/rankserver/app.py
index 417e166..3beaf46 100644
--- a/tools/rankserver/app.py
+++ b/tools/rankserver/app.py
@@ -223,7 +223,7 @@ if __name__ == "__main__":
 
     app = make_app()
     app.listen(conf['listen_port'])
-    conf['rushtime'] = 5
+    conf['rushtime'] = 300
     tornado.ioloop.IOLoop.current().call_later(conf['rushtime'],
                                                lambda : readMysqlData(conf['rushtime'])
     )