diff --git a/.gitignore b/.gitignore
index 5679094d..5da69533 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,5 +17,6 @@ scenario/
 override.json
 cookies.json
 res/announcement_saved
+res/announcement_saved.json
 cmdpriv.json
 tips.py
\ No newline at end of file
diff --git a/main.py b/main.py
index 1c91d735..41a27d77 100644
--- a/main.py
+++ b/main.py
@@ -303,8 +303,9 @@ def start(first_time_init=False):
     try:
         import pkg.utils.announcement as announcement
         new_announcement = announcement.fetch_new()
-        if new_announcement != "":
-            logging.critical("[公告] {}".format(new_announcement))
+        if len(new_announcement) > 0:
+            for announcement in new_announcement:
+                logging.critical("[公告] {}".format(announcement))
     except Exception as e:
         logging.warning("获取公告失败:{}".format(e))
 
diff --git a/pkg/utils/announcement.py b/pkg/utils/announcement.py
index c348d36a..57e23184 100644
--- a/pkg/utils/announcement.py
+++ b/pkg/utils/announcement.py
@@ -1,47 +1,68 @@
 import base64
 import os
+import json
 
 import requests
 
-import pkg.utils.network as network
 
-
-def read_latest() -> str:
+def read_latest() -> list:
+    import pkg.utils.network as network
     resp = requests.get(
-        url="https://api.github.com/repos/RockChinQ/QChatGPT/contents/res/announcement",
+        url="https://api.github.com/repos/RockChinQ/QChatGPT/contents/res/announcement.json",
         proxies=network.wrapper_proxies()
     )
     obj_json = resp.json()
     b64_content = obj_json["content"]
     # 解码
     content = base64.b64decode(b64_content).decode("utf-8")
-    return content
+    return json.loads(content)
 
 
-def read_saved() -> str:
+def read_saved() -> list:
     # 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", encoding="utf-8") as f:
-            f.write("")
+    if not os.path.exists("res/announcement_saved.json"):
+        with open("res/announcement_saved.json", "w", encoding="utf-8") as f:
+            f.write("[]")
 
-    with open("res/announcement_saved", "r", encoding="utf-8") as f:
+    with open("res/announcement_saved.json", "r", encoding="utf-8") as f:
         content = f.read()
 
-    return content
+    return json.loads(content)
 
 
-def write_saved(content: str):
+def write_saved(content: list):
     # 已保存的在res/announcement_saved
     with open("res/announcement_saved", "w", encoding="utf-8") as f:
-        f.write(content)
+        f.write(json.dumps(content, indent=4, ensure_ascii=False))
 
 
-def fetch_new() -> str:
+def fetch_new() -> list:
     latest = read_latest()
     saved = read_saved()
-    if latest.replace(saved, "").strip() == "":
-        return ""
-    else:
-        write_saved(latest)
-        return latest.replace(saved, "").strip()
+
+    to_show: list = []
+
+    for item in latest:
+        # 遍历saved检查是否有相同id的公告
+        for saved_item in saved:
+            if saved_item["id"] == item["id"]:
+                break
+        else:
+            # 没有相同id的公告
+            to_show.append(item)
+
+    write_saved(latest)
+    return to_show
+
+
+if __name__ == '__main__':
+    
+    resp = requests.get(
+        url="https://api.github.com/repos/RockChinQ/QChatGPT/contents/res/announcement.json",
+    )
+    obj_json = resp.json()
+    b64_content = obj_json["content"]
+    # 解码
+    content = base64.b64decode(b64_content).decode("utf-8")
+    print(json.dumps(json.loads(content), indent=4, ensure_ascii=False))