页面优化，功能修复

app/Models/SiteSetting.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class SiteSetting extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'setting_key',
+        'setting_value',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'setting_value' => 'array',
+        ];
+    }
+}
+