diff --git a/blivedm/client.py b/blivedm/client.py
index e05d5c9..174b635 100644
--- a/blivedm/client.py
+++ b/blivedm/client.py
@@ -233,6 +233,10 @@ class BLiveClient:
         """
         便利函数，停止本客户端并释放本客户端的资源，调用后本客户端将不可用
         """
+
+        if self._open_live_client:
+            await self._open_live_client.end()
+
         if self.is_running:
             self.stop()
             await self.join()
@@ -522,6 +526,13 @@ class BLiveClient:
         except Exception:  # noqa
             logger.exception('room=%d _send_heartbeat() failed:', self.room_id)
 
+        try:
+            await self._open_live_client.heartbeat()
+        except (ConnectionResetError, aiohttp.ClientConnectionError) as e:
+            logger.warning('room=%d _send_heartbeat() failed: %r', self.room_id, e)
+        except Exception:  # noqa
+            logger.exception('room=%d _send_heartbeat() failed:', self.room_id)
+
     async def _on_ws_message(self, message: aiohttp.WSMessage):
         """
         收到WebSocket消息
diff --git a/blivedm/open_live_client.py b/blivedm/open_live_client.py
index e010bbe..f938f35 100644
--- a/blivedm/open_live_client.py
+++ b/blivedm/open_live_client.py
@@ -149,7 +149,7 @@ class OpenLiveClient:
             return False
 
         try:
-            params = f'{{"app_id":{self.app_id},"game_id":{self._game_id}}}'
+            params = f'{{"game_id":"{self._game_id}", "app_id":{self.app_id}}}'
             headers = self._sign_request_header(params)
             async with self._session.post(
                 OPEN_LIVE_END_URL, headers=headers, data=params, ssl=self._ssl
@@ -175,8 +175,7 @@ class OpenLiveClient:
             return False
         
         try:
-            params = f'{{"game_id":{self._game_id}}}'
-            print(params)
+            params = f'{{"game_id":"{self._game_id}"}}'
             headers = self._sign_request_header(params)
             async with self._session.post(
                 OPEN_LIVE_HEARTBEAT_URL, headers=headers, data=params, ssl=self._ssl
diff --git a/open_live_sample.py b/open_live_sample.py
index bf21222..f705b20 100644
--- a/open_live_sample.py
+++ b/open_live_sample.py
@@ -25,8 +25,8 @@ async def run_start():
 
     client.start()
     try:
-        # 演示60秒后停止
-        await asyncio.sleep(600)
+        # 演示20秒后停止
+        await asyncio.sleep(60)
         client.stop()
 
         await client.join()