diff --git a/chat.py b/chat.py
index 086bc162f3a10f7714d295ee8d7900601a2c588f..4ed10d56c3110eaff5e3590f6851e52e004dba93 100644
--- a/chat.py
+++ b/chat.py
@@ -46,14 +46,12 @@ async def echo(websocket):
         #历史记录数量
         if "history_num" in event["type"]:
             if room_id in history : 
-                # h = history[room_id][start*end - end:start*end]
                 h = len(history[room_id])
             else :
-                # h = []
-                h = 0;
+                h = 0
             r = {'type':'history_num','content':str(h)}
             message = json.dumps(r,ensure_ascii=False)
-            websockets.broadcast(users[room_id], message)
+            await websocket.send(message)
         #历史记录
         if "history" in event["type"]:
             start = int(event['page'])
@@ -66,7 +64,7 @@ async def echo(websocket):
                 h = []
             r = {'type':'history','content':h}
             message = json.dumps(r,ensure_ascii=False)
-            websockets.broadcast(users[room_id], message)
+            await websocket.send(message)
         #聊天
         if "chat" in event['type']:
             chat = {