diff --git a/app/Console/Commands/AdminSendCoupon.php b/app/Console/Commands/AdminSendCoupon.php
index e82e5907..4e48eedd 100644
--- a/app/Console/Commands/AdminSendCoupon.php
+++ b/app/Console/Commands/AdminSendCoupon.php
@@ -83,7 +83,6 @@ class AdminSendCoupon extends Command
                         'coupon_threshold'=> (int) bcmul($coupon->threshold, 100),
                         'use_start_at'  => $useStartAt,
                         'use_end_at'    => $useEndAt,
-                        'status'        => 0,
                         'created_at'    => $nowTime,
                         'updated_at'    => $nowTime,
                     ];
diff --git a/app/Endpoint/Api/Filters/UserCouponFilter.php b/app/Endpoint/Api/Filters/UserCouponFilter.php
index 6fc71d59..e3039165 100644
--- a/app/Endpoint/Api/Filters/UserCouponFilter.php
+++ b/app/Endpoint/Api/Filters/UserCouponFilter.php
@@ -10,15 +10,15 @@ class UserCouponFilter extends ModelFilter
     {
         switch ($status) {
             case 'unuse':
-                $this->isUnuse();
+                $this->onlyUnuse();
                 break;
 
             case 'used':
-                $this->isUsed();
+                $this->onlyUsed();
                 break;
 
             case 'expired':
-                $this->isExpired();
+                $this->onlyExpired();
                 break;
         }
     }
diff --git a/app/Helpers/Numeric.php b/app/Helpers/Numeric.php
index e006d74f..d7a69146 100644
--- a/app/Helpers/Numeric.php
+++ b/app/Helpers/Numeric.php
@@ -13,7 +13,7 @@ class Numeric
     public static function trimZero($value)
     {
         if (is_numeric($value) && strpos($value, '.') !== false) {
-            $value = rtrim(trim($value, '0'), '.');
+            $value = rtrim(rtrim($value, '0'), '.');
         }
 
         return $value ?: '0';
diff --git a/app/Models/UserCoupon.php b/app/Models/UserCoupon.php
index 5e61dea9..1e948a2a 100644
--- a/app/Models/UserCoupon.php
+++ b/app/Models/UserCoupon.php
@@ -12,6 +12,23 @@ class UserCoupon extends Model
     use HasFactory;
     use Filterable;
 
+    /**
+     * @var array
+     */
+    protected $attributes = [
+        'is_use' => false,
+    ];
+
+    /**
+     * @var array
+     */
+    protected $casts = [
+        'is_use' => 'bool',
+    ];
+
+    /**
+     * @var array
+     */
     protected $fillable = [
         'user_id',
         'coupon_id',
@@ -21,7 +38,7 @@ class UserCoupon extends Model
         'coupon_threshold',
         'use_start_at',
         'use_end_at',
-        'status',
+        'is_use',
         'created_at',
         'updated_at',
     ];
@@ -29,27 +46,27 @@ class UserCoupon extends Model
     /**
      * 仅查询已过期的优惠券
      */
-    public function scopeIsExpired($query)
+    public function scopeOnlyExpired($query)
     {
-        return $query->where('status', 0)->where('use_end_at', '<=', now());
+        return $query->where('is_use', false)->where('use_end_at', '<=', now());
     }
 
     /**
      * 仅查询已使用的优惠券
      */
-    public function scopeIsUsed($query)
+    public function scopeOnlyUsed($query)
     {
-        return $query->where('status', 1);
+        return $query->where('is_use', true);
     }
 
     /**
      * 仅查询未使用的优惠券
      */
-    public function scopeIsUnuse($query)
+    public function scopeOnlyUnuse($query)
     {
         $time = now();
 
-        return $query->where('status', 0)->where('use_start_at', '<', $time)->where('use_end_at', '>', $time);
+        return $query->where('is_use', false)->where('use_start_at', '<', $time)->where('use_end_at', '>', $time);
     }
 
     /**
diff --git a/database/migrations/2021_12_07_115801_create_user_coupons_table.php b/database/migrations/2021_12_07_115801_create_user_coupons_table.php
index ed97c8ae..2ae10107 100644
--- a/database/migrations/2021_12_07_115801_create_user_coupons_table.php
+++ b/database/migrations/2021_12_07_115801_create_user_coupons_table.php
@@ -23,7 +23,7 @@ class CreateUserCouponsTable extends Migration
             $table->unsignedBigInteger('coupon_threshold')->default(0)->comment('使用门槛金额:分');
             $table->timestamp('use_start_at')->comment('使用开始时间');
             $table->timestamp('use_end_at')->comment('使用结束时间');
-            $table->unsignedTinyInteger('status')->default(0)->comment('状态：0未使用，1已使用');
+            $table->boolean('is_use')->default(false)->comment('是否使用');
             $table->timestamps();
 
             $table->index('user_id');