diff --git a/tools/rankserver/app.py b/tools/rankserver/app.py
index 06eb87e..dd320b5 100644
--- a/tools/rankserver/app.py
+++ b/tools/rankserver/app.py
@@ -66,8 +66,10 @@ def readMysqlData(rushtime):
 
     r = getRedis()
     array.sort(key=take_score, reverse=True)
-    score_rank = json.dumps(array)
-    r.set("game2002api: score_rank", score_rank)
+    score_rank = []
+    for score_index in range(50):
+        score_rank.append(array[score_index])
+    r.set("game2002api: score_rank", json.dumps(score_rank))
 
     tornado.ioloop.IOLoop.current().call_later(rushtime,
                                                lambda : readMysqlData(rushtime)
@@ -93,7 +95,7 @@ if __name__ == "__main__":
     conf = json.loads(open(CONFIG_DIR + '/rankserver.json', 'r').read())
 
     app = make_app()
-    app.listen(conf['listen_port'])
+    app.listen(conf['listen_port'] + 1)
     conf['rushtime'] = 300
 
     tornado.ioloop.IOLoop.current().call_later(conf['rushtime'],