diff --git a/app/Admin/Controllers/v3/CouponController.php b/app/Admin/Controllers/v3/CouponController.php
index 67653d8..87a3c62 100644
--- a/app/Admin/Controllers/v3/CouponController.php
+++ b/app/Admin/Controllers/v3/CouponController.php
@@ -15,6 +15,7 @@ use App\Models\v3\Coupon as CouponModel;
 use App\Models\v3\Market as MarketModel;
 use App\Models\v3\Category as CategoryModel;
 use Dcat\Admin\Form\NestedForm;
+use App\Models\v3\CouponUse as UseModel;
 
 class CouponController extends AdminController
 {
@@ -38,7 +39,12 @@ class CouponController extends AdminController
 
             $grid->inventory;
             $grid->inventory_use;
-            $grid->use_number;
+            $grid->use_number->display(function($use){
+                $id = $this->id;
+                $number = UseModel::getUseCount([['coupon_id','=',$id]])->toArray();
+                $item = isset($number[0]['total']) ? $number[0]['total'] : 0;
+                return $item;
+            });
             $grid->active_type_text;
             $grid->status
                 ->using(
@@ -75,6 +81,9 @@ class CouponController extends AdminController
                 $filter->in('status')->multipleSelect($status);
             });
 
+            $grid->model()->orderBy('id', 'desc');
+            // 每页10条
+            $grid->paginate(10);
             $grid->disableBatchDelete();
             // $grid->disableCreateButton();
             $grid->disableDeleteButton();
@@ -224,13 +233,33 @@ class CouponController extends AdminController
             // $form->text('usable_number')->width(2)->default(1)->disable();
 
             $form->saving(function (Form $form){
-               
+                $tags = $form->input('tags');
+                $activityAvailable = $form->input('activity_available');
                 if( $form->discount_type == 2 && ($form->discounts <= 0 || $form->discounts >= 10)){
                     return $form->error('优惠金额请输入1~10之间的数字');
                 }
-                $form->activity_available = empty($form->input('activity_available'))? [] : $form->input('activity_available');
-                $form->tags = empty($form->input('tags'))? [] : $form->input('tags');
-                $form->tags = empty($form->input('tags'))? [] : $form->input('tags');
+                $tagsArr = [];
+                if(!empty($tags)){
+                    foreach($tags as $kt => $tag){
+                        if(empty($tag)){
+                            unset($tags[$kt]);
+                            continue;
+                        }
+                        $tagsArr[] = $tag;
+                    }
+                };
+                $form->tags = json_encode($tagsArr);
+                $availableArr = [];
+                if(!empty($activityAvailable)){
+                    foreach($activityAvailable as $ka => $available){
+                        if(empty($available)){
+                            unset($activityAvailable[$ka]);
+                            continue;
+                        }
+                        $availableArr[] = $available;
+                    }
+                };
+                $form->activity_available = json_encode($availableArr);
                 $form->remark = empty($form->input('remark')) ? '' : $form->input('remark');
             });
             
diff --git a/app/Models/v3/Coupon.php b/app/Models/v3/Coupon.php
index 785c961..dcf5966 100644
--- a/app/Models/v3/Coupon.php
+++ b/app/Models/v3/Coupon.php
@@ -47,8 +47,8 @@ class Coupon extends Model
     protected $casts = [
         'market_ids'=>'array',
         'category_ids'=>'array',
-        'tags'=>'array',
-        'activity_available'=>'array'
+        // 'tags'=>'json',
+        // 'activity_available'=>'array'
     ];
 
     public function getStatusTextAttribute()
diff --git a/app/Models/v3/CouponUse.php b/app/Models/v3/CouponUse.php
index 9b0fcea..68f8213 100644
--- a/app/Models/v3/CouponUse.php
+++ b/app/Models/v3/CouponUse.php
@@ -3,12 +3,21 @@
 namespace App\Models\v3;
 
 use Dcat\Admin\Traits\HasDateTimeFormatter;
-
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\DB;
 
 class CouponUse extends Model
 {
 	use HasDateTimeFormatter;
     protected $table = 'lanzu_coupon_use';
 
+    /**
+     * 根据条件 获取使用数量
+     */
+    public static function getUseCount($where)
+    {
+        $data = self::select(DB::raw(' COUNT(id) as total,coupon_id'))->where($where)->groupBy('coupon_id')->get();
+        return $data;
+    }
+
 }