diff --git a/tools/rankserver/app.py b/tools/rankserver/app.py
index b99d8b9..a1e2d99 100644
--- a/tools/rankserver/app.py
+++ b/tools/rankserver/app.py
@@ -126,7 +126,7 @@ if __name__ == "__main__":
 
     app = make_app()
     app.listen(conf['listen_port'])
-    conf['rushtime'] = 3
+    conf['rushtime'] = 300
 
     tornado.ioloop.IOLoop.current().call_later(conf['rushtime'],
                                                lambda : readMysqlData(conf['rushtime'])