fix(wecom): await async disconnect, add SDK attribution in README

README.md

@@ -681,7 +681,9 @@ nanobot gateway
 <details>
 <summary><b>Wecom (企业微信)</b></summary>
 
-Uses **WebSocket** long connection — no public IP required.
+> Here we use [wecom-aibot-sdk-python](https://github.com/chengyongru/wecom_aibot_sdk) (community Python version of the official [@wecom/aibot-node-sdk](https://www.npmjs.com/package/@wecom/aibot-node-sdk)).
+>
+> Uses **WebSocket** long connection — no public IP required.
 
 **1. Install the optional dependency**
 
@@ -714,9 +716,6 @@ Go to the WeCom admin console → Intelligent Robot → Create Robot → select
 nanobot gateway
 ```
 
-> [!TIP]
-> WeCom uses WebSocket to receive messages — no webhook or public IP needed!
-
 </details>
 
 ## 🌐 Agent Social Network

nanobot/channels/wecom.py

@@ -98,7 +98,7 @@ class WecomChannel(BaseChannel):
         """Stop the WeCom bot."""
         self._running = False
         if self._client:
-            self._client.disconnect()
+            await self._client.disconnect()
         logger.info("WeCom bot stopped")
 
     async def _on_connected(self, frame: Any) -> None: