【已解答】出错了，面板运行时发生错误！
为了能快速了解并处理您的问题，请提供以下基础信息：面板、插件版本：不清楚系统版本：Ubuntu 20.04.6
问题描述：报错
相关截图（日志、错误）：出错了，面板运行时发生错误！TypeError: can only concatenate str (not "NoneType") to str
REQUEST_DATE: 2025-09-20 14:12:09 PAN_VERSION: 7.7.0OS_VERSION: Ubuntu 20.04.6 LTS armv7l(Py3.7.8) REMOTE_ADDR: 192.168.1.40 REQUEST_URI: GET /b5b48012?REQUEST_FORM: {}USER_AGENT: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.95 Safari/537.36Traceback (most recent call last):File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 2529, in wsgi_app response = self.full_dispatch_request()File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 1825, in full_dispatch_request rv = self.handle_user_exception(e)File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 1823, in full_dispatch_request rv = self.dispatch_request()File "/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py", line 1799, in dispatch_request return self.ensure_sync(self.view_functions)(**view_args)File "/www/server/panel/BTPanel/__init__.py", line 1064, in login data['lan'] = public.GetLan('login')File "class/public.py", line 429, in GetLan _LAN_TEMPLATE = json.loads(ReadFile('BTPanel/static/language/' + GetLanguage() + '/template.json'))TypeError: can only concatenate str (not "NoneType") to str
最新的
btpip install Flask==2.2.5
bt 1
执行命令，重试
另外：面板版本较旧，建议做好服务器快照，将面板更新至最新版
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