更新代码

app/Models/Windup.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models;
+
+use RuLong\Order\Models\Order;
+
+class Windup extends Model
+{
+    public function orders()
+    {
+        return $this->hasMany(Order::class);
+    }
+
+    public function seller()
+    {
+        return $this->belongsTo(Seller::class);
+    }
+}