我正在嘗試使用 Laravel 5.6 作業隊列來避免我的項目中的電子郵件發送延遲及其無法正常工作。我的日志文件包含以下錯誤[2020-06-14 12:46:03] local.ERROR: 類不存在 {"exception":"[object] (ReflectionException(code: -1): Class does not exist at /var/www/html/項目/供應商/laravel/framework/src/Illuminate/Container/Container.php:767) [堆棧跟蹤]#0 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Container/Container.php(767): 反射類->__construct('')#1 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Container/Container.php(646)：Illuminate\Container\Container->build(NULL)#2 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Container/Container.php(601): Illuminate\Container\Container->resolve(NULL, 數組)#3 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(734): Illuminate\Container\Container->make(NULL, 數組)#4 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Queue/Jobs/Job.php(184)：Illuminate\Foundation\Application->make(NULL)#5 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Queue/Jobs/Job.php(83): Illuminate\Queue\Jobs\Job->解析(NULL)#6 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Queue/Worker.php(326)：Illuminate\Queue\Jobs\Job->fire()#7 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Queue/Worker.php(276): Illuminate\Queue\Worker->process('數據庫', 對象(Illuminate\Queue\Jobs \DatabaseJob), 對象(照亮\Queue\WorkerOptions))#8 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Queue/Worker.php(118): Illuminate\Queue\Worker->runJob(對象(Illuminate\Queue\Jobs\DatabaseJob), '數據庫', 對象(Illuminate\Queue\WorkerOptions))#9 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Queue/Console/WorkCommand.php(101): Illuminate\Queue\Worker->daemon('數據庫', '默認', 對象(照亮\隊列\WorkerOptions))#10 /var/www/html/project/vendor/laravel/framework/src/Illuminate/Queue/Console/WorkCommand.php(85): Illuminate\Queue\Console\WorkCommand->runWorker('數據庫', '默認' )#11 [內部函數]: Illuminate\Queue\Console\WorkCommand->handle()