数据库初始化报错问题修复

server/app/Providers/AppServiceProvider.php

@@ -14,6 +14,7 @@ namespace App\Providers;
 use App\Observers\UserObserver;
 use App\Repositories\Models\AdminUsers;
 use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\Facades\Schema;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -31,6 +32,7 @@ class AppServiceProvider extends ServiceProvider
      */
     public function boot()
     {
+	Schema::defaultStringLength(191);
         $this->registerObservers(); // 注册观察者
     }