Update app.py

app.py

@@ -131,7 +131,8 @@ def load_data_from_webdav():
         if response.status_code == 200:
             data = json.loads(response.text)
 
-            chatHistories = data.get('chatHistories', {})
+            # 将chatHistories的键转换为整数
+            chatHistories = {int(k): v for k, v in data.get('chatHistories', {}).items()}
             GROUP_SETTINGS = {int(k): v for k, v in data.get('GROUP_SETTINGS', {}).items()}
             USER_SETTINGS = {int(k): v for k, v in data.get('USER_SETTINGS', {}).items()}
             USER_LAST_ACTIVE = {int(k): datetime.fromisoformat(v) for k, v in data.get('USER_LAST_ACTIVE', {}).items()}
@@ -148,7 +149,6 @@ def load_data_from_webdav():
         print("使用初始值")
 
 
-
 def periodic_save():
     print("定期保存线程已启动")
     while True: