'decimal:2', 'balance_refund_amount' => 'decimal:2', 'payment_refund_amount' => 'decimal:2', 'penalty_amount' => 'decimal:2', 'coach_fee' => 'decimal:2', 'platform_traffic_fee' => 'decimal:2', 'platform_penalty' => 'decimal:2', 'refund_time' => 'datetime' ]; /** * 关联订单 */ public function order(): BelongsTo { return $this->belongsTo(Order::class); } }