遇到好几次 No application encryption key has been specified

今天写代码的时候，一刷新又500了，后台看日志：

No application encryption key has been specified

我去，各位大佬，这是为什么，env已经有秘钥了，而且这个情况是偶尔出现，这是为什么？

不要说php artisan key:generate啊~ 前几天，config:clear 过，但是也config:cache过了

完整日志：

{"exception":"[object] (RuntimeException(code: 0): No application encryption key has been specified. at D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Encryption\\EncryptionServiceProvider.php:44)
[stacktrace]
#0 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Support\\helpers.php(422): Illuminate\\Encryption\\EncryptionServiceProvider->Illuminate\\Encryption\\{closure}(NULL)
#1 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Encryption\\EncryptionServiceProvider.php(48): tap(NULL, Object(Closure))
#2 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Encryption\\EncryptionServiceProvider.php(24): Illuminate\\Encryption\\EncryptionServiceProvider->key(Array)
#3 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(799): Illuminate\\Encryption\\EncryptionServiceProvider->Illuminate\\Encryption\\{closure}(Object(Illuminate\\Foundation\\Application), Array)
#4 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(681): Illuminate\\Container\\Container->build(Object(Closure))
#5 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(629): Illuminate\\Container\\Container->resolve('encrypter', Array)
#6 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Application.php(769): Illuminate\\Container\\Container->make('encrypter', Array)
#7 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(945): Illuminate\\Foundation\\Application->make('encrypter')
#8 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(873): Illuminate\\Container\\Container->resolveClass(Object(ReflectionParameter))
#9 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(834): Illuminate\\Container\\Container->resolveDependencies(Array)
#10 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(681): Illuminate\\Container\\Container->build('App\\\\Http\\\\Middle...')
#11 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(629): Illuminate\\Container\\Container->resolve('App\\\\Http\\\\Middle...', Array)
#12 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Application.php(769): Illuminate\\Container\\Container->make('App\\\\Http\\\\Middle...', Array)
#13 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(160): Illuminate\\Foundation\\Application->make('App\\\\Http\\\\Middle...')
#14 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(105): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#15 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php(683): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))
#16 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php(658): Illuminate\\Routing\\Router->runRouteWithinStack(Object(Illuminate\\Routing\\Route), Object(Illuminate\\Http\\Request))
#17 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php(624): Illuminate\\Routing\\Router->runRoute(Object(Illuminate\\Http\\Request), Object(Illuminate\\Routing\\Route))
#18 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php(613): Illuminate\\Routing\\Router->dispatchToRoute(Object(Illuminate\\Http\\Request))
#19 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php(170): Illuminate\\Routing\\Router->dispatch(Object(Illuminate\\Http\\Request))
#20 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(130): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}(Object(Illuminate\\Http\\Request))
#21 D:\\Didongni\\App\\idongni\\vendor\\beyondcode\\laravel-query-detector\\src\\QueryDetectorMiddleware.php(27): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#22 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(171): BeyondCode\\QueryDetector\\QueryDetectorMiddleware->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#23 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#24 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#25 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#26 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#27 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize.php(27): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#28 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#29 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode.php(62): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#30 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(171): Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#31 D:\\Didongni\\App\\idongni\\vendor\\fideloper\\proxy\\src\\TrustProxies.php(57): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#32 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(171): Fideloper\\Proxy\\TrustProxies->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#33 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php(105): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#34 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php(145): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))
#35 D:\\Didongni\\App\\idongni\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php(110): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter(Object(Illuminate\\Http\\Request))
#36 D:\\Didongni\\App\\idongni\\public\\index.php(55): Illuminate\\Foundation\\Http\\Kernel->handle(Object(Illuminate\\Http\\Request))
#37 {main}
"}