diff --git a/douzero/server/battle.py b/douzero/server/battle.py
index 70c720d..a8948bb 100644
--- a/douzero/server/battle.py
+++ b/douzero/server/battle.py
@@ -97,7 +97,7 @@ def battle_logic(baseline : Baseline, battle : Battle):
 
 def tick():
     try:
-        battles = Battle.select().where(Battle.status == 0).order_by(Battle.id.desc()).limit(10)
+        battles = Battle.select().where(Battle.status == 0).order_by(Battle.id.asc()).limit(1)
         for battle in battles:
             battle.status = -1
             battle.save()
diff --git a/evaluate_server.py b/evaluate_server.py
index 68f3159..91f7bca 100644
--- a/evaluate_server.py
+++ b/evaluate_server.py
@@ -1,5 +1,7 @@
 import itertools
 import os
+import time
+import threading
 
 from peewee import JOIN
 
@@ -19,9 +21,6 @@ Model.create_table()
 Battle.create_table()
 Baseline.create_table()
 
-threadpool = ThreadPoolExecutor(1)
-
-
 EnvCard2RealCard = {3: '3', 4: '4', 5: '5', 6: '6', 7: '7',
                     8: '8', 9: '9', 10: 'T', 11: 'J', 12: 'Q',
                     13: 'K', 14: 'A', 17: '2', 20: 'X', 30: 'D'}
@@ -49,9 +48,17 @@ def upload():
         model_file.save(path)
         Model.create(path=path, position=position,type=type,frame=frame,create_time=datetime.now())
         Battle.create(challenger_path=path, challenger_position=position, status=0)
-    threadpool.submit(tick)
     return jsonify({'status': 0, 'message': 'success', 'result': ''})
 
+def start_runner():
+    def start_loop():
+        while True:
+            tick()
+            time.sleep(10)
+
+    thread = threading.Thread(target=start_loop)
+    thread.start()
+
 @app.route('/battle_tick', methods=['POST'])
 def battle_tick():
     tick()