diff --git a/app/Models/Ad.php b/app/Models/Ad.php
index 0bed321f..5a7a7eaf 100644
--- a/app/Models/Ad.php
+++ b/app/Models/Ad.php
@@ -3,17 +3,23 @@
 namespace App\Models;
 
 use Dcat\Admin\Traits\HasDateTimeFormatter;
-
 use Illuminate\Database\Eloquent\Model;
 
 class Ad extends Model
 {
+    use Concerns\HasShowable;
     use HasDateTimeFormatter;
 
+    /**
+     * @var array
+     */
     protected $casts = [
-        'is_show' => 'boolean',
+        'is_show' => 'bool',
     ];
 
+    /**
+     * 此广告所属的广告位
+     */
     public function address()
     {
         return $this->belongsTo(AdAddress::class, 'address_id');
diff --git a/app/Models/AdAddress.php b/app/Models/AdAddress.php
index a4f2317a..13de6633 100644
--- a/app/Models/AdAddress.php
+++ b/app/Models/AdAddress.php
@@ -3,18 +3,23 @@
 namespace App\Models;
 
 use Dcat\Admin\Traits\HasDateTimeFormatter;
-
 use Illuminate\Database\Eloquent\Model;
 
 class AdAddress extends Model
 {
+    use Concerns\HasShowable;
     use HasDateTimeFormatter;
-    protected $table = 'ad_addresses';
 
+    /**
+     * @var array
+     */
     protected $casts = [
-        'is_show' => 'boolean',
+        'is_show' => 'bool',
     ];
 
+    /**
+     * 属于此广告位的广告
+     */
     public function ads()
     {
         return $this->hasMany(Ad::class, 'address_id');
diff --git a/app/Models/Concerns/HasShowable.php b/app/Models/Concerns/HasShowable.php
new file mode 100644
index 00000000..47e6368e
--- /dev/null
+++ b/app/Models/Concerns/HasShowable.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models\Concerns;
+
+use Illuminate\Database\Eloquent\Builder;
+
+trait HasShowable
+{
+    /**
+     * 只查询可显示的数据
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeShowable(Builder $query): Builder
+    {
+        return $query->where('is_show', true);
+    }
+}