更新代码

app/Models/SellerLessonLog.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use App\User;
+use RuLong\Order\Models\Order;
+
+class SellerLessonLog extends Model
+{
+
+    public function lesson()
+    {
+        return $this->belongsTo(SellerLesson::class)->withDefault();
+    }
+
+    public function user()
+    {
+        return $this->belongsTo(User::class)->withDefault();
+    }
+
+    public function order()
+    {
+        return $this->belongsTo(Order::class)->withDefault();
+    }
+}