diff --git a/database/migrations/0000_00_00_000000_create_washcar_coupons_table.php b/database/migrations/0000_00_00_000000_create_washcar_coupons_table.php
new file mode 100644
index 0000000..0bff42b
--- /dev/null
+++ b/database/migrations/0000_00_00_000000_create_washcar_coupons_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateWashcarCouponsTable extends Migration
+{
+
+    /**
+     * Run the migrations.
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('washcar_coupons', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->morphs('order');
+            $table->string('code');
+            $table->boolean('status')->default(1);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('washcar_coupons');
+    }
+
+}
diff --git a/src/Models/Model.php b/src/Models/Model.php
new file mode 100644
index 0000000..7640b5d
--- /dev/null
+++ b/src/Models/Model.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace XuanChen\WashCar\Models;
+
+use Carbon\Carbon;
+
+class Model extends \Illuminate\Database\Eloquent\Model
+{
+
+    protected $guarded = [];
+
+    protected function serializeDate(\DateTimeInterface $date)
+    {
+        if (version_compare(app()->version(), '7.0.0') < 0) {
+            return parent::serializeDate($date);
+        }
+
+        return $date->format(Carbon::DEFAULT_TO_STRING_FORMAT);
+    }
+
+}
diff --git a/src/Models/WashcarCoupon.php b/src/Models/WashcarCoupon.php
new file mode 100644
index 0000000..47d90e5
--- /dev/null
+++ b/src/Models/WashcarCoupon.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace XuanChen\WashCar\Models;
+
+use Carbon\Carbon;
+
+class WashcarCoupon extends Model
+{
+
+    protected $casts = [
+        'in_source'  => 'json',
+        'out_source' => 'json',
+    ];
+
+    const STATUS_INIT    = 1;
+    const STATUS_SUCCESS = 2;
+    const STATUS_ERROR   = 3;
+
+    const STATUS = [
+        self::STATUS_INIT    => '初始',
+        self::STATUS_SUCCESS => '成功',
+        self::STATUS_ERROR   => '失败',
+    ];
+
+}
diff --git a/src/Models/WashcarLog.php b/src/Models/WashcarLog.php
index 554e64c..f1bc661 100644
--- a/src/Models/WashcarLog.php
+++ b/src/Models/WashcarLog.php
@@ -4,12 +4,10 @@ namespace XuanChen\WashCar\Models;
 
 use Carbon\Carbon;
 
-class WashcarLog extends \Illuminate\Database\Eloquent\Model
+class WashcarLog extends Model
 {
 
-    protected $guarded = [];
-
-    protected $casts   = [
+    protected $casts = [
         'in_source'  => 'json',
         'out_source' => 'json',
     ];
@@ -24,13 +22,4 @@ class WashcarLog extends \Illuminate\Database\Eloquent\Model
         self::STATUS_ERROR   => '失败',
     ];
 
-    protected function serializeDate(\DateTimeInterface $date)
-    {
-        if (version_compare(app()->version(), '7.0.0') < 0) {
-            return parent::serializeDate($date);
-        }
-
-        return $date->format(Carbon::DEFAULT_TO_STRING_FORMAT);
-    }
-
 }