diff --git a/app/Entities/CommonEntity.php b/app/Entities/CommonEntity.php
index f4b16bf..8a77a95 100644
--- a/app/Entities/CommonEntity.php
+++ b/app/Entities/CommonEntity.php
@@ -24,10 +24,9 @@ abstract class CommonEntity extends Entity
         $field = constant("static::TITLE");
         return $this->attributes[$field] ?? "";
     }
-    final public function getTitleByFormat(string $format, array $fields): string
+    public function getCustomTitle(): string
     {
-        $parameters = array_map(fn($field) => $this->attributes[$field], $fields);
-        return sprintf($format, ...$parameters);
+        return $this->getTitle();
     }
     public function getStatus(): string
     {
diff --git a/app/Entities/Equipment/ServerPartEntity.php b/app/Entities/Equipment/ServerPartEntity.php
index 6c42a8c..46c25f8 100644
--- a/app/Entities/Equipment/ServerPartEntity.php
+++ b/app/Entities/Equipment/ServerPartEntity.php
@@ -25,6 +25,10 @@ class ServerPartEntity extends EquipmentEntity
         return $this->attributes['serviceinfo_uid'] ?? null;
     }
     //기본기능용
+    public function getCustomTitle(): string
+    {
+        return sprintf("%s*%d개[%s]", $this->getTitle(), $this->getCnt(), $this->getExtra());
+    }
     public function getCalculatedAmount(): int
     {
         return $this->getAmount() * $this->getCnt();
diff --git a/app/Entities/Part/PartEntity.php b/app/Entities/Part/PartEntity.php
index 7d195bc..e242a2b 100644
--- a/app/Entities/Part/PartEntity.php
+++ b/app/Entities/Part/PartEntity.php
@@ -27,7 +27,7 @@ abstract class PartEntity extends CommonEntity
     //기본기능용
     public function getCustomTitle(mixed $title = null): string
     {
-        return  sprintf("%s %s원", $title ? $title : $this->getTitle(), number_format($this->getPrice() . "원"));
+        return  sprintf("%s %s원", $title ? $title : $this->getTitle(), number_format($this->getPrice()));
     }
     final public function getPrice(): int
     {
diff --git a/app/Entities/PaymentEntity.php b/app/Entities/PaymentEntity.php
index c053017..9f3ce21 100644
--- a/app/Entities/PaymentEntity.php
+++ b/app/Entities/PaymentEntity.php
@@ -22,6 +22,10 @@ class PaymentEntity extends CommonEntity
         return $this->attributes['serviceinfo_uid'] ?? null;
     }
     //기본기능    
+    public function getCustomTitle(): string
+    {
+        return sprintf("%s %s [%s]", $this->getTitle(), $this->getAmount(), $this->getBillingAt());
+    }
     public function getBilling(): string
     {
         return $this->attributes['billing'];
diff --git a/app/Models/Equipment/ServerPartModel.php b/app/Models/Equipment/ServerPartModel.php
index b00a482..d1adf3b 100644
--- a/app/Models/Equipment/ServerPartModel.php
+++ b/app/Models/Equipment/ServerPartModel.php
@@ -21,6 +21,7 @@ class ServerPartModel extends EquipmentModel
         "title",
         "type",
         "billing",
+        "billing_at",
         "amount",
         "cnt",
         "extra",
diff --git a/app/Services/Equipment/ServerService.php b/app/Services/Equipment/ServerService.php
index 4f512f9..b8512e9 100644
--- a/app/Services/Equipment/ServerService.php
+++ b/app/Services/Equipment/ServerService.php
@@ -254,7 +254,7 @@ class ServerService extends EquipmentService
             if (!$serviceEntity instanceof ServiceEntity) {
                 throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$entity->getServiceInfoUID()}에 해당하는 서비스정보을 찾을수 없습니다.");
             }
-            service('customer_serviceservice')->updateAmount($entity);
+            service('customer_serviceservice')->updateAmount($serviceEntity);
         }
         return $entity;
     }
diff --git a/app/Services/Part/PartType1Service.php b/app/Services/Part/PartType1Service.php
index cfabde2..acf3413 100644
--- a/app/Services/Part/PartType1Service.php
+++ b/app/Services/Part/PartType1Service.php
@@ -23,7 +23,7 @@ abstract class PartType1Service extends PartService
         $entity = $this->getPartEntityByServerPart($serverPartEntity);
         //파트정보의 사용가능한 갯수 , 사용갯수 비교
         if ($entity->getAvailable() <  $serverPartEntity->getCnt()) {
-            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 현재 사용가능 갯수[{$entity->getAvailable()}]보다 지정하신 갯수({$serverPartEntity->getCnt()})가 더 많습니다.");
+            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 현재 {$entity->getTitle()}는 사용가능 갯수[{$entity->getAvailable()}]보다 지정하신 갯수({$serverPartEntity->getCnt()})가 더 많습니다.");
         }
         $formDatas['used'] = $entity->getUsed() + $serverPartEntity->getCnt();
         return parent::modify_process($entity, $formDatas);
@@ -35,7 +35,7 @@ abstract class PartType1Service extends PartService
         $entity = $this->getPartEntityByServerPart($serverPartEntity);
         //파트정보의 사용된 갯수 , 회수용 갯수 비교
         if ($entity->getUsed() < $serverPartEntity->getCnt()) {
-            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 현재 사용된 갯수[{$entity->getUsed()}]보다 지정하신 갯수({$serverPartEntity->getCnt()})가 더 많습니다.");
+            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 현재 {$entity->getTitle()}는 사용된 갯수[{$entity->getUsed()}]보다 지정하신 갯수({$serverPartEntity->getCnt()})가 더 많습니다.");
         }
         $formDatas['used'] = $entity->getUsed() - $serverPartEntity->getCnt();
         return parent::modify_process($entity, $formDatas);
diff --git a/app/Services/PaymentService.php b/app/Services/PaymentService.php
index d95703e..7d9c596 100644
--- a/app/Services/PaymentService.php
+++ b/app/Services/PaymentService.php
@@ -342,12 +342,13 @@ class PaymentService extends CommonService
         }
         $formDatas['serviceinfo_uid'] = $serverPartEntity->getServiceInfoUID();
         $formDatas["clientinfo_uid"] = $serverPartEntity->getClientInfoUID();
+        $formDatas["serverpartinfo_uid"] = $serverPartEntity->getPK();
         $formDatas['amount']          = $serverPartEntity->getAmount();
         $formDatas['billing']         = $formDatas['billing'] ?? PAYMENT['BILLING']['ONETIME'];
         $formDatas['billing_at']      = $serverPartEntity->getBillingAt();
         $formDatas['pay']             = $formDatas['pay'] ?? PAYMENT['PAY']['ACCOUNT'];
         $formDatas['status']          = $formDatas['status'] ?? STATUS['UNPAID'];
-        $formDatas['title']         = sprintf("%s 일회성비용", $formDatas['title'] ?? $serverPartEntity->getTitle());
+        $formDatas['title']         = sprintf("%s 일회성비용", $formDatas['title'] ?? $serverPartEntity->getCustomTitle());
         return $formDatas;
     }
     public function createByServerPart(ServerPartEntity $serverPartEntity): PaymentEntity
@@ -356,6 +357,7 @@ class PaymentService extends CommonService
             throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: 서비스정보가 정의되지 않아 일회성 상품을 설정하실수 없습니다.");
         }
         $formDatas = $this->getFormDatasFromServerPart($serverPartEntity);
+        $this->action_init_process('create', $formDatas);
         return parent::create_process($formDatas);
     }
     public function modifyByServerPart(ServerPartEntity $oldServerPartEntity, ServerPartEntity $serverPartEntity): PaymentEntity
@@ -367,7 +369,7 @@ class PaymentService extends CommonService
         $entity = $this->getEntity([
             'serverpartinfo_uid' => $oldServerPartEntity->getPK(),
             'serviceinfo_uid' => $oldServerPartEntity->getServiceInfoUID(),
-            'billing' => PAYMENT['BILLING']['ONETIME'],
+            'billing' => $oldServerPartEntity->getBilling(),
             'billing_at' => $oldServerPartEntity->getBillingAt(),
             'status' =>  STATUS['UNPAID']
         ]);
diff --git a/app/Views/cells/part/ram_stock.php b/app/Views/cells/part/ram_stock.php
index d859fbb..4ee2bd3 100644
--- a/app/Views/cells/part/ram_stock.php
+++ b/app/Views/cells/part/ram_stock.php
@@ -8,7 +8,7 @@
   <?php foreach ($partCellDatas['entities'] as $entity): ?>
     <?php $partCellDatas['entity'] = $entity; ?>
     <tr>
-      <td class="text-end text-nowrap"><?= $partCellDatas['helper']->getListButton('modify', $entity->getTitle(), $partCellDatas) ?><< /td>
+      <td class="text-end text-nowrap"><?= $partCellDatas['helper']->getListButton('modify', $entity->getTitle(), $partCellDatas) ?></td>
       <td class="text-center text-nowrap"><?= $entity->getUsed() ?></td>
       <td class="text-center text-nowrap"><?= $entity->getAvailable() ?></td>
       <td class="text-center text-nowrap"><?= $entity->getStock() ?></td>
diff --git a/app/Views/cells/serverpart/parttable.php b/app/Views/cells/serverpart/parttable.php
index 6fb97ba..0774aa8 100644
--- a/app/Views/cells/serverpart/parttable.php
+++ b/app/Views/cells/serverpart/parttable.php
@@ -18,7 +18,7 @@
       <th class="text-end m-0 p-0" width="15%"><?= $serverPartCellDatas['helper']->getListButton($type, '', $serverPartCellDatas) ?></th>
       <td class="text-start m-0 p-0">
         <?php foreach ($htmls[$type] as $html): ?>
-          <?= $html['view'] ?>[<?= number_format($html['amount']) ?>원]<a href="/admin/equipment/serverpart/delete/<?= $html['entity']->getPK() ?>">❌</a><BR>
+          <?= $html['view'] ?>[<?= number_format($html['amount']) ?>원]<?= $html['entity']->getBilling() == PAYMENT['BILLING']['BASE'] ? "" : "<a href=\"/admin/equipment/serverpart/delete/{$html['entity']->getPK()}\">❌</a>" ?><BR>
         <?php endforeach ?>
       </td>
     </tr>