diff --git a/README.md b/README.md
index 851f536..29b5b10 100644
--- a/README.md
+++ b/README.md
@@ -205,6 +205,12 @@ FAQs： <https://github.com/zhayujie/chatgpt-on-wechat/wiki/FAQs>
 
 ## 联系
 
-欢迎提交PR、Issues，以及Star支持一下。程序运行遇到问题优先查看 [常见问题列表](https://github.com/zhayujie/chatgpt-on-wechat/wiki/FAQs) ，其次前往 [Issues](https://github.com/zhayujie/chatgpt-on-wechat/issues) 中搜索。如果你想了解更多项目细节，并与开发者们交流更多关于AI技术的实践，欢迎加入星球:
+欢迎提交PR、Issues，以及Star支持一下。程序运行遇到问题可以查看 [常见问题列表](https://github.com/zhayujie/chatgpt-on-wechat/wiki/FAQs) ，其次前往 [Issues](https://github.com/zhayujie/chatgpt-on-wechat/issues) 中搜索。
+
+进一步了解项目细节和最新进展，可以加入技术交流群：
+
+<img width="240" src="./docs/images/contact.jpg">
+
+如果你想获取更多项目资料，与开发者们交流更多关于AI技术的实践，欢迎加入星球:
 
 <a href="https://public.zsxq.com/groups/88885848842852.html"><img width="360" src="./docs/images/planet.jpg"></a>
diff --git a/bot/linkai/link_ai_bot.py b/bot/linkai/link_ai_bot.py
index a92466d..023e62c 100644
--- a/bot/linkai/link_ai_bot.py
+++ b/bot/linkai/link_ai_bot.py
@@ -1,5 +1,7 @@
+# access LinkAI knowledge base platform
+# docs: https://link-ai.tech/platform/link-app/wechat
+
 from bot.bot import Bot
-from bridge.context import ContextType
 from bridge.reply import Reply, ReplyType
 from common.log import logger
 from bridge.context import Context
@@ -13,6 +15,7 @@ class LinkAIBot(Bot):
 
     # authentication failed
     AUTH_FAILED_CODE = 401
+    NO_QUOTA_CODE = 406
 
     def __init__(self):
         self.base_url = "https://api.link-ai.chat/v1"
@@ -51,19 +54,27 @@ class LinkAIBot(Bot):
             res = requests.post(url=self.base_url + "/chat/completion", json=body, headers=headers).json()
 
             if not res or not res["success"]:
+
                 if res.get("code") == self.AUTH_FAILED_CODE:
                     logger.exception(f"[LINKAI] please check your linkai_api_key, res={res}")
                     return Reply(ReplyType.ERROR, "请再问我一次吧")
+
+                elif res.get("code") == self.NO_QUOTA_CODE:
+                    logger.exception(f"[LINKAI] please check your account quota, https://link-ai.chat/console/account")
+                    return Reply(ReplyType.ERROR, "提问太快啦，请休息一下再问我吧")
+
                 else:
                     # retry
                     time.sleep(2)
                     logger.warn(f"[LINKAI] do retry, times={retry_count}")
                     return self._chat(query, context, retry_count + 1)
+
             # execute success
             reply_content = res["data"]["content"]
             logger.info(f"[LINKAI] reply={reply_content}")
             self.sessions.session_reply(reply_content, session_id)
             return Reply(ReplyType.TEXT, reply_content)
+
         except Exception as e:
             logger.exception(e)
             # retry
diff --git a/config-template.json b/config-template.json
index d179ff8..cd24692 100644
--- a/config-template.json
+++ b/config-template.json
@@ -1,6 +1,8 @@
 {
   "open_ai_api_key": "YOUR API KEY",
   "model": "gpt-3.5-turbo",
+  "linkai_api_key": "YOUR API KEY",
+  "linkai_app_code": "",
   "proxy": "",
   "single_chat_prefix": [
     "bot",
diff --git a/docs/images/contact.jpg b/docs/images/contact.jpg
new file mode 100644
index 0000000..f92429b
Binary files /dev/null and b/docs/images/contact.jpg differ
diff --git a/plugins/godcmd/godcmd.py b/plugins/godcmd/godcmd.py
index eee579a..f2613f9 100644
--- a/plugins/godcmd/godcmd.py
+++ b/plugins/godcmd/godcmd.py
@@ -297,7 +297,7 @@ class Godcmd(Plugin):
                     except Exception as e:
                         ok, result = False, "你没有设置私有GPT模型"
                 elif cmd == "reset":
-                    if bottype in [const.OPEN_AI, const.CHATGPT, const.CHATGPTONAZURE]:
+                    if bottype in [const.OPEN_AI, const.CHATGPT, const.CHATGPTONAZURE, const.LINKAI]:
                         bot.sessions.clear_session(session_id)
                         channel.cancel_session(session_id)
                         ok, result = True, "会话已重置"