【已解决】安装宝塔邮局管理器提示出错，请帮忙

出错了，面板运行时发生错误！面板运行时发生错误: 软件包下载失败，请重试
REQUEST_DATE: 2022-08-31 17:12:52 PAN_VERSION: 7.9.3  OS_VERSION: CentOS  7.2.1511 x86_64(Py3.7.9) REMOTE_ADDR: 121.33.147.75 REQUEST_URI: POST /plugin?action=install_pluginREQUEST_FORM: {'sName': 'mail_sys', 'version': '4', 'min_version': '5'}  USER_AGENT: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.60 Safari/537.36Traceback (most recent call last):  File "/www/server/panel/BTPanel/__init__.py", line 1786, in publicObject    return run_exec().run(toObject, defs, get)  File "/www/server/panel/BTPanel/__init__.py", line 1734, in run    result = getattr(toObject,get.action)(get)  File "class/panelPlugin.py", line 745, in install_plugin    result = self.install_sync(pluginInfo,get)  File "class/panelPlugin.py", line 789, in install_sync    return self.__install_plugin(pluginInfo['name'], get.version)  File "class/panelPlugin.py", line 90, in __install_plugin    filename = self.__download_plugin(upgrade_plugin_name,upgrade_version)  File "class/panelPlugin.py", line 539, in __download_plugin    raise public.PanelError('软件包下载失败，请重试')public.PanelError: 面板运行时发生错误: 软件包下载失败，请重试

• 很抱歉，面板运行时意外发生错误，请尝试按以下顺序尝试解除此错误：
• 修复方案一：在[首页]右上角点击修复面板，并退出面板重新登录。
• 修复方案二：如上述尝试未能解除此错误，请截图此窗口到宝塔论坛发贴寻求帮助, 论坛地址：https://www.bt.cn/bbs
  

我也遇到一样的问题

确实用了这个帖子里的办法有效果

https://www.bt.cn/bbs/forum.php? ... 1%E7%90%86%E5%99%A8