Illuminate\Datebase\Eloquent 5.4版本作為第三方類庫引入項目，使用updateOrcreate報錯

前提：沒有使用artisan命令創(chuàng)建表，手動建表

Fatal error: Uncaught Illuminate\Database\Eloquent\MassAssignmentException: level in D:\phpStudy\WWW\repett\simple-mvc-master\simple-mvc-master\vendor\illuminate\database\Eloquent\Model.php:236 Stack trace: #0 D:\phpStudy\WWW\repett\simple-mvc-master\simple-mvc-master\vendor\illuminate\database\Eloquent\Builder.php(377): Illuminate\Database\Eloquent\Model->fill(Array) #1 D:\phpStudy\WWW\repett\simple-mvc-master\simple-mvc-master\vendor\illuminate\support\helpers.php(964): Illuminate\Database\Eloquent\Builder->Illuminate\Database\Eloquent\{closure}(Object(LcchnProposal)) #2 D:\phpStudy\WWW\repett\simple-mvc-master\simple-mvc-master\vendor\illuminate\database\Eloquent\Builder.php(378): tap(Object(LcchnProposal), Object(Closure)) #3 D:\phpStudy\WWW\repett\simple-mvc-master\simple-mvc-master\vendor\illuminate\database\Eloquent\Model.php(1374): Illuminate\Database\Eloquent\Builder->updateOrCreate(Array, Array) #4 D:\phpStudy\WWW\repett\simple-mvc-master\simple-mvc-master\vendor\illuminate\database\Eloquent\Model.php(1386): Ill in D:\phpStudy\WWW\repett\simple-mvc-master\simple-mvc-master\vendor\illuminate\database\Eloquent\Model.php on line 236### 問題描述