添加结算时间

app/Endpoint/Api/Http/Resources/Dealer/DealerEarningResource.php

@@ -19,6 +19,7 @@ class DealerEarningResource extends JsonResource
             'id'            => $this->id,
             'type'          => $this->type_name,
             'created_at'    => $this->created_at->toDateTimeString(),
+            'settle_at'     => $this->settle_at->toDateTimeString(),
             'total_amount'  => $this->total_amount,
             'fee_rate'      => $this->fee_rate,
             'fee'           => $this->fee,