diff --git a/main.py b/main.py
index fec0fde..21d8fb3 100644
--- a/main.py
+++ b/main.py
@@ -33,7 +33,7 @@ log_colors_config = {
     'INFO': 'white',
     'WARNING': 'yellow',
     'ERROR': 'red',
-    'CRITICAL': 'bold_red',
+    'CRITICAL': 'cyan',
 }
 
 
@@ -307,13 +307,21 @@ def main(first_time_init=False):
     import pkg.utils.updater
     try:
         if pkg.utils.updater.is_new_version_available():
-            pkg.utils.context.get_qqbot_manager().notify_admin("新版本可用，请发送 !update 进行自动更新\n更新日志:\n{}".format("\n".join(pkg.utils.updater.get_rls_notes())))
+            logging.info("新版本可用，请发送 !update 进行自动更新\n更新日志:\n{}".format("\n".join(pkg.utils.updater.get_rls_notes())))
         else:
             logging.info("当前已是最新版本")
 
     except Exception as e:
         logging.warning("检查更新失败:{}".format(e))
 
+    try:
+        import pkg.utils.announcement as announcement
+        new_announcement = announcement.fetch_new()
+        if new_announcement != "":
+            logging.critical("[公告] {}".format(new_announcement))
+    except Exception as e:
+        logging.warning("获取公告失败:{}".format(e))
+
     return qqbot
 
 
diff --git a/pkg/utils/announcement.py b/pkg/utils/announcement.py
new file mode 100644
index 0000000..75a8269
--- /dev/null
+++ b/pkg/utils/announcement.py
@@ -0,0 +1,44 @@
+import base64
+import os
+
+import requests
+
+
+def read_latest() -> str:
+    resp = requests.get(
+        url="https://api.github.com/repos/RockChinQ/QChatGPT/contents/res/announcement",
+    )
+    obj_json = resp.json()
+    b64_content = obj_json["content"]
+    # 解码
+    content = base64.b64decode(b64_content).decode("utf-8")
+    return content
+
+
+def read_saved() -> str:
+    # 已保存的在res/announcement_saved
+    # 检查是否存在
+    if not os.path.exists("res/announcement_saved"):
+        with open("res/announcement_saved", "w") as f:
+            f.write("")
+
+    with open("res/announcement_saved", "r") as f:
+        content = f.read()
+
+    return content
+
+
+def write_saved(content: str):
+    # 已保存的在res/announcement_saved
+    with open("res/announcement_saved", "w") as f:
+        f.write(content)
+
+
+def fetch_new() -> str:
+    latest = read_latest()
+    saved = read_saved()
+    if latest.replace(saved, "").strip() == "":
+        return ""
+    else:
+        write_saved(latest)
+        return latest.replace(saved, "").strip()