Fatal error: Uncaught think\exception\ErrorException: error_log(D:\wwwroot\web.graphisoft.cn\runtime\log\202101\20.log): failed to open stream: Resource temporarily unavailable in D:\wwwroot\web.graphisoft.cn\thinkphp\library\think\log\driver\File.php:169 Stack trace: #0 [internal function]: think\Error::appError(2, 'error_log(D:\\ww...', 'D:\\wwwroot\\web....', 169, Array) #1 D:\wwwroot\web.graphisoft.cn\thinkphp\library\think\log\driver\File.php(169): error_log('---------------...', 3, 'D:\\wwwroot\\web....') #2 D:\wwwroot\web.graphisoft.cn\thinkphp\library\think\log\driver\File.php(75): think\log\driver\File->write('---------------...', 'D:\\wwwroot\\web....', false, true) #3 D:\wwwroot\web.graphisoft.cn\thinkphp\library\think\Log.php(179): think\log\driver\File->save(Array, true) #4 D:\wwwroot\web.graphisoft.cn\thinkphp\library\think\Error.php(93): think\Log::save() #5 [internal function]: think\Error::appShutdown() #6 {main} thrown in D:\wwwroot\web.graphisoft.cn\thinkphp\library\think\log\driver\File.php on line 169