Don't skip these steps | 不要跳过这些步骤

• I understand that I will be blocked if I intentionally remove or skip any mandatory* field | 我明白，如果我“故意”删除或跳过任何强制性的*字段，我将被限制
• I am sure that this is a running error exception problem and will not submit any problems unrelated to this project | 我确定这是运行报错异常问题，不会提交任何与本项目无关的问题
• I have searched and double-checked that there are no similar issues that have been created | 我已经通过搜索并仔细检查过没有存在已经创建的类似问题

Occurrence environment | 触发环境

• Workflow | 工作流
• GUI | 软件
• Docker
• Command line | 命令行

Bug description | 具体描述

更新或者重启docker镜像，在直播源测速过程中，会出现如下报错日志：
容器安装在飞牛nas的docker，如上错误是否和epg节目单无法读取有关？我的播放软件是iPhone的aptv，添加订阅地址后，直播源可以加载出来，但是无法读取epg节目单，config配置里面epg已经打开，导出result.m3u查看第一行为#EXTM3U x-tvg-url="http://localhost:8020/epg/epg.gz"，这个地址是否无法正常访问到epg地址？麻烦作者看下这个错误。

Error log | 报错日志

Total urls: 810, need to test speed: 665

Speed test: 41%|████ | 269/665 [06:18<13:48, 2.09s/it]
Speed test: 66%|██████▋ | 441/665 [10:34<10:42, 2.87s/it][2025-05-28 11:30:54,502] ERROR in app: Exception on /epg/epg.gz [GET]

Traceback (most recent call last):

File "/.venv/lib/python3.13/site-packages/flask/app.py", line 1511, in wsgi_app

response = self.full_dispatch_request()

File "/.venv/lib/python3.13/site-packages/flask/app.py", line 919, in full_dispatch_request

rv = self.handle_user_exception(e)

File "/.venv/lib/python3.13/site-packages/flask/app.py", line 917, in full_dispatch_request

rv = self.dispatch_request()

File "/.venv/lib/python3.13/site-packages/flask/app.py", line 902, in dispatch_request

return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]

       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^

File "/iptv-api/service/app.py", line 181, in show_epg_gz

return get_result_file_content(path=constants.epg_gz_result_path, show_content=False)

File "/iptv-api/utils/tools.py", line 413, in get_result_file_content

return send_file(resource_path(result_file), as_attachment=True)

File "/.venv/lib/python3.13/site-packages/flask/helpers.py", line 511, in send_file

return werkzeug.utils.send_file(  # type: ignore[return-value]

       ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

    **_prepare_send_file_kwargs(

    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

...<9 lines>...

    )

    ^

)

^

File "/.venv/lib/python3.13/site-packages/werkzeug/utils.py", line 428, in send_file

stat = os.stat(path)

FileNotFoundError: [Errno 2] No such file or directory: '/iptv-api/output/epg/epg.m3u'

Speed test: 100%|█████████▉| 661/665 [15:45<00:05, 1.48s/it]
Speed test: 100%|██████████| 665/665 [15:57<00:00, 1.44s/it]