first change

Modules/Admin/app/Models/Field.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Modules\Admin\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Str;
+
+class Field extends Model
+{
+    protected $fillable = ['title', 'alias', 'status'];
+
+    protected static function booted()
+    {
+
+        static::creating(function ($field) {
+            $field->alias = Str::slug($field->title);
+        });
+
+        static::updating(function ($field) {
+            $field->alias = Str::slug($field->title);
+        });
+    }
+
+    public function dropdown()
+    {
+        return $this->hasMany(Dropdown::class, 'fid');
+    }
+}