diff --git a/xiangqi_bot/bot.py b/xiangqi_bot/bot.py
index e58a475..42bd3d3 100644
--- a/xiangqi_bot/bot.py
+++ b/xiangqi_bot/bot.py
@@ -55,11 +55,11 @@ class OnlineBot:
         self._send_lock = asyncio.Lock()
 
     # ---------- 基础 ----------
-    def emit(self, event, data, ack=False):
+    async def emit(self, event, data, ack=False):
         self._ack += 1
         n = self._ack if ack else ''
         payload = json.dumps([event, data], ensure_ascii=False)
-        return self.ws.send_str(f'42{NS},{n}{payload}')
+        await self.ws.send_str(f'42{NS},{n}{payload}')
 
     def my_name(self):
         try:
@@ -113,7 +113,7 @@ class OnlineBot:
             return
         if raw.startswith('40'):
             log.info('[ws] joined /xiangqi')
-            self.emit('lobby.join', {'room': 'lobby'})
+            await self.emit('lobby.join', {'room': 'lobby'})
             if not self.args.game:
                 await asyncio.sleep(1)
                 asyncio.create_task(self.quick_challenge())
@@ -133,9 +133,9 @@ class OnlineBot:
         if event == 'lobby.my.game.new':
             self.game_id = data.get('game_id')
             log.info('[game] matched %s', self.game_id)
-            self.emit('lobby.left', {})
+            await self.emit('lobby.left', {})
             await asyncio.sleep(0.3)
-            self.emit('g_v2.get', {'game_id': self.game_id}, ack=True)
+            await self.emit('g_v2.get', {'game_id': self.game_id}, ack=True)
         elif event == 'game.get.success':
             d = data.get('data', {})
             me = self.my_name()
@@ -227,8 +227,8 @@ class OnlineBot:
             self.last_move_at = asyncio.get_event_loop().time()
             think_ms = int((asyncio.get_event_loop().time() - t0) * 1000)
             log.info('[game] %s: %s → %s  %s %dms', source, mv, site_mv, score, think_ms)
-            self.emit('g_v2.move', {'game_id': self.game_id, 'move': site_mv,
-                                    'thinking_time': think_ms})
+            await self.emit('g_v2.move', {'game_id': self.game_id, 'move': site_mv,
+                                          'thinking_time': think_ms})
         except Exception as e:
             log.error('[move] %s: %s', type(e).__name__, e)
             if self.engine._proc.returncode is not None: