diff --git a/app/Config/Database.php b/app/Config/Database.php
index 29f6f4a..705d3e6 100644
--- a/app/Config/Database.php
+++ b/app/Config/Database.php
@@ -25,29 +25,29 @@ class Database extends Config
      * @var array<string, mixed>
      */
     public array $default = [
-        'DSN'          => '',
-        'hostname'     => 'localhost',
-        'username'     => '',
-        'password'     => '',
-        'database'     => '',
-        'DBDriver'     => 'MySQLi',
-        'DBPrefix'     => '',
-        'pConnect'     => false,
-        'DBDebug'      => true,
-        'charset'      => 'utf8mb4',
-        'DBCollat'     => 'utf8mb4_general_ci',
-        'swapPre'      => '',
-        'encrypt'      => false,
-        'compress'     => false,
-        'strictOn'     => false,
-        'failover'     => [],
-        'port'         => 3306,
-        'numberNative' => false,
-        'foundRows'    => false,
-        'dateFormat'   => [
-            'date'     => 'Y-m-d',
+        'DSN' => '',
+        'hostname' => 'localhost',
+        'username' => '',
+        'password' => '',
+        'database' => '',
+        'DBDriver' => 'MySQLi',
+        'DBPrefix' => '',
+        'pConnect' => false,
+        'DBDebug' => true,
+        'charset' => 'utf8mb4',
+        'DBCollat' => 'utf8mb4_general_ci',
+        'swapPre' => '',
+        'encrypt' => false,
+        'compress' => false,
+        'strictOn' => false,
+        'failover' => [],
+        'port' => 3306,
+        'numberNative' => true,
+        'foundRows' => false,
+        'dateFormat' => [
+            'date' => 'Y-m-d',
             'datetime' => 'Y-m-d H:i:s',
-            'time'     => 'H:i:s',
+            'time' => 'H:i:s',
         ],
     ];
 
@@ -163,29 +163,29 @@ class Database extends Config
      * @var array<string, mixed>
      */
     public array $tests = [
-        'DSN'         => '',
-        'hostname'    => '127.0.0.1',
-        'username'    => '',
-        'password'    => '',
-        'database'    => ':memory:',
-        'DBDriver'    => 'SQLite3',
-        'DBPrefix'    => 'db_',  // Needed to ensure we're working correctly with prefixes live. DO NOT REMOVE FOR CI DEVS
-        'pConnect'    => false,
-        'DBDebug'     => true,
-        'charset'     => 'utf8',
-        'DBCollat'    => '',
-        'swapPre'     => '',
-        'encrypt'     => false,
-        'compress'    => false,
-        'strictOn'    => false,
-        'failover'    => [],
-        'port'        => 3306,
+        'DSN' => '',
+        'hostname' => '127.0.0.1',
+        'username' => '',
+        'password' => '',
+        'database' => ':memory:',
+        'DBDriver' => 'SQLite3',
+        'DBPrefix' => 'db_',  // Needed to ensure we're working correctly with prefixes live. DO NOT REMOVE FOR CI DEVS
+        'pConnect' => false,
+        'DBDebug' => true,
+        'charset' => 'utf8',
+        'DBCollat' => '',
+        'swapPre' => '',
+        'encrypt' => false,
+        'compress' => false,
+        'strictOn' => false,
+        'failover' => [],
+        'port' => 3306,
         'foreignKeys' => true,
         'busyTimeout' => 1000,
-        'dateFormat'  => [
-            'date'     => 'Y-m-d',
+        'dateFormat' => [
+            'date' => 'Y-m-d',
             'datetime' => 'Y-m-d H:i:s',
-            'time'     => 'H:i:s',
+            'time' => 'H:i:s',
         ],
     ];
 
diff --git a/app/Entities/BoardEntity.php b/app/Entities/BoardEntity.php
index 7446862..7057d77 100644
--- a/app/Entities/BoardEntity.php
+++ b/app/Entities/BoardEntity.php
@@ -21,14 +21,14 @@ class BoardEntity extends CommonEntity
     }
     final public function getUserUid(): int|null
     {
-        return $this->attributes['user_uid'] ?? null;
+        return $this->user_uid ?? null;
     }
     final public function getWorkerUid(): int|null
     {
-        return $this->attributes['worker_uid'] ?? null;
+        return $this->worker_uid ?? null;
     }
     final public function getCaregory(): string
     {
-        return $this->attributes['category'] ?? "";
+        return $this->category ?? "";
     }
 }
diff --git a/app/Entities/CommonEntity.php b/app/Entities/CommonEntity.php
index 2b0edff..7f32162 100644
--- a/app/Entities/CommonEntity.php
+++ b/app/Entities/CommonEntity.php
@@ -7,13 +7,20 @@ use CodeIgniter\Entity\Entity;
 abstract class CommonEntity extends Entity
 {
     protected $datamap = [];
-    protected $dates   = ['created_at', 'updated_at', 'deleted_at'];
+    protected $dates = ['created_at', 'updated_at', 'deleted_at'];
     //사용법   : $client->created_at->format('Y-m-d') 
     //비교방법 : if ($client->created_at < new \DateTime('2024-01-01')) {
     public function __construct(array|null $data = null)
     {
         parent::__construct($data);
     }
+    public function __get(string $key)
+    {
+        if (array_key_exists($key, $this->attributes)) {
+            return $this->attributes[$key];
+        }
+        return parent::__get($key);
+    }
     final public function getPK(): int|string
     {
         $field = constant("static::PK");
@@ -30,18 +37,18 @@ abstract class CommonEntity extends Entity
     }
     final public function getStatus(): string
     {
-        return $this->attributes['status'] ?? "";
+        return $this->status ?? "";
     }
     final public function getUpdatedAt(): string
     {
-        return $this->attributes['updated_at'] ?? "";
+        return $this->updated_at ?? "";
     }
     final public function getCreatedAt(): string
     {
-        return $this->attributes['created_at'] ?? "";
+        return $this->created_at ?? "";
     }
     final public function getDeletedAt(): string
     {
-        return $this->attributes['deleted_at'] ?? "";
+        return $this->deleted_at ?? "";
     }
 }
diff --git a/app/Entities/Customer/ClientEntity.php b/app/Entities/Customer/ClientEntity.php
index 7d8d1d9..35ec97e 100644
--- a/app/Entities/Customer/ClientEntity.php
+++ b/app/Entities/Customer/ClientEntity.php
@@ -27,7 +27,7 @@ class ClientEntity extends CustomerEntity
 
     public function getUserUid(): int|null
     {
-        return $this->attributes['user_uid'] ?? null;
+        return $this->user_uid ?? null;
     }
     //기본기능
     public function getCustomTitle(mixed $title = null): string
@@ -36,27 +36,27 @@ class ClientEntity extends CustomerEntity
     }
     public function getName(): string
     {
-        return $this->attributes['name'];
+        return $this->name;
     }
     public function getSite(): string
     {
-        return $this->attributes['site'];
+        return $this->site;
     }
     public function getAccountBalance(): int
     {
-        return $this->attributes['account_balance'] ?? 0;
+        return $this->account_balance ?? 0;
     }
     public function getCouponBalance(): int
     {
-        return $this->attributes['coupon_balance'] ?? 0;
+        return $this->coupon_balance ?? 0;
     }
     public function getPointBalance(): int
     {
-        return $this->attributes['point_balance'] ?? 0;
+        return $this->point_balance ?? 0;
     }
     public function getHistory(): string|null
     {
-        return $this->attributes['history'];
+        return $this->history;
     }
     /*
      * 사용자의 역할을 배열 형태로 반환합니다. 
@@ -65,7 +65,7 @@ class ClientEntity extends CustomerEntity
      */
     public function getRole(): array
     {
-        $role = $this->attributes['role'] ?? null;
+        $role = $this->role ?? null;
         // 1. 이미 배열인 경우 (방어적 코딩)
         if (is_array($role)) {
             return array_filter($role);
@@ -113,6 +113,6 @@ class ClientEntity extends CustomerEntity
         $cleanedRoles = array_map(fn($item) => trim((string) ($item ?? ''), " \t\n\r\0\x0B\""), $roleArray);
         $roleArray = array_filter($cleanedRoles);
         // 최종적으로 DB에 삽입될 단일 CSV 문자열로 변환하여 저장합니다.
-        $this->attributes['role'] = implode(DEFAULTS["DELIMITER_ROLE"], $roleArray);
+        $this->role = implode(DEFAULTS["DELIMITER_ROLE"], $roleArray);
     }
 }
diff --git a/app/Entities/Customer/ServiceEntity.php b/app/Entities/Customer/ServiceEntity.php
index f4483ff..e41e5c0 100644
--- a/app/Entities/Customer/ServiceEntity.php
+++ b/app/Entities/Customer/ServiceEntity.php
@@ -14,8 +14,8 @@ class ServiceEntity extends CustomerEntity
         'site' => '',
         'location' => '',
         'rack' => 0,
-        'coupon_balance'  => 0,
-        'line'   => 0,
+        'coupon_balance' => 0,
+        'line' => 0,
         'billing_at' => '',
         'sale' => 0,
         'amount' => 0,
@@ -30,58 +30,58 @@ class ServiceEntity extends CustomerEntity
     }
     final public function getUserUid(): int|null
     {
-        return $this->attributes['user_uid'] ?? null;
+        return $this->user_uid ?? null;
     }
-    final public function  getClientInfoUid(): int|null
+    final public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'] ?? null;
+        return $this->clientinfo_uid ?? null;
     }
-    final public function  getServerInfoUid(): int|null
+    final public function getServerInfoUid(): int|null
     {
-        return $this->attributes['serverinfo_uid'] ?? null;
+        return $this->serverinfo_uid ?? null;
     }
     //기본기능용
     final public function getCode(): string
     {
-        return $this->attributes['code'] ?? '';
+        return $this->code ?? '';
     }
     final public function getSite(): string
     {
-        return $this->attributes['site'] ?? '';
+        return $this->site ?? '';
     }
     final public function getLocation(): string
     {
-        return $this->attributes['location'] ?? '';
+        return $this->location ?? '';
     }
     final public function getBillingAt(): string
     {
-        return $this->attributes['billing_at'] ?? '';
+        return $this->billing_at ?? '';
     }
     //청구금액->기본:상면비+회선비+서버금액(price)+서버파트연결(월비용)-할인액
     //상면비
     final public function getRack(): int
     {
-        return $this->attributes['rack'] ?? 0;
+        return $this->rack ?? 0;
     }
     //회선비
     final public function getLine(): int
     {
-        return $this->attributes['line'] ?? 0;
+        return $this->line ?? 0;
     }
     final public function getSale(): int
     {
-        return $this->attributes['sale'] ?? 0;
+        return $this->sale ?? 0;
     }
     final public function getAmount(): int
     {
-        return $this->attributes['amount'] ?? 0;
+        return $this->amount ?? 0;
     }
     final public function getStartAt(): string
     {
-        return $this->attributes['start_at'] ?? '';
+        return $this->start_at ?? '';
     }
     public function getHistory(): string
     {
-        return $this->attributes['history'] ?? '';
+        return $this->history ?? '';
     }
 }
diff --git a/app/Entities/Customer/Wallet/AccountEntity.php b/app/Entities/Customer/Wallet/AccountEntity.php
index 1dcdca6..086c7e8 100644
--- a/app/Entities/Customer/Wallet/AccountEntity.php
+++ b/app/Entities/Customer/Wallet/AccountEntity.php
@@ -6,16 +6,22 @@ use App\Models\Customer\Wallet\AccountModel;
 
 class AccountEntity extends WalletEntity
 {
-    const PK    = AccountModel::PK;
+    const PK = AccountModel::PK;
     const TITLE = AccountModel::TITLE;
+    protected $casts = [
+        'clientinfo_uid' => 'integer',
+        'user_uid' => '?integer',
+    ];
     protected $attributes = [
+        'clientinfo_uid' => null,
+        'user_uid' => null,
         'title' => '',
         'bank' => '',
         'alias' => '',
         'issue_at' => '',
         'amount' => 0,
         'balance' => 0,
-        'status' =>  '',
+        'status' => '',
         'content' => ''
     ];
     public function __construct(array|null $data = null)
@@ -25,14 +31,14 @@ class AccountEntity extends WalletEntity
     //기본기능
     public function getBank(): string
     {
-        return $this->attributes['bank'] ?? '';
+        return $this->bank ?? '';
     }
     public function getAlias(): string
     {
-        return $this->attributes['alias'] ?? '';
+        return $this->alias ?? '';
     }
     public function getIssueAt(): string
     {
-        return $this->attributes['issue_at'] ?? '';
+        return $this->issue_at ?? '';
     }
 }
diff --git a/app/Entities/Customer/Wallet/CouponEntity.php b/app/Entities/Customer/Wallet/CouponEntity.php
index c2a1b5a..db55119 100644
--- a/app/Entities/Customer/Wallet/CouponEntity.php
+++ b/app/Entities/Customer/Wallet/CouponEntity.php
@@ -7,13 +7,13 @@ use App\Models\Customer\Wallet\CouponModel;
 class CouponEntity extends WalletEntity
 {
 
-    const PK    = CouponModel::PK;
+    const PK = CouponModel::PK;
     const TITLE = CouponModel::TITLE;
     protected $attributes = [
         'title' => '',
         'amount' => 0,
         'balance' => 0,
-        'status' =>  '',
+        'status' => '',
         'content' => ''
     ];
     public function __construct(array|null $data = null)
diff --git a/app/Entities/Customer/Wallet/PointEntity.php b/app/Entities/Customer/Wallet/PointEntity.php
index 27ba7ed..cdb3ce3 100644
--- a/app/Entities/Customer/Wallet/PointEntity.php
+++ b/app/Entities/Customer/Wallet/PointEntity.php
@@ -12,7 +12,7 @@ class PointEntity extends WalletEntity
         'title' => '',
         'amount' => 0,
         'balance' => 0,
-        'status' =>  '',
+        'status' => '',
         'content' => ''
     ];
     public function __construct(array|null $data = null)
diff --git a/app/Entities/Customer/Wallet/WalletEntity.php b/app/Entities/Customer/Wallet/WalletEntity.php
index d95d08e..3a86dcc 100644
--- a/app/Entities/Customer/Wallet/WalletEntity.php
+++ b/app/Entities/Customer/Wallet/WalletEntity.php
@@ -13,23 +13,23 @@ abstract class WalletEntity extends CustomerEntity
     }
     final public function getUserUid(): int|null
     {
-        return $this->attributes['user_uid'] ?? null;
+        return $this->user_uid ?? null;
     }
-    final public function  getClientInfoUid(): int|null
+    final public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'] ?? null;
+        return $this->clientinfo_uid ?? null;
     }
     //기본기능
     final public function getAmount(): int
     {
-        return $this->attributes['amount'] ?? 0;
+        return $this->amount ?? 0;
     }
     final public function getBalance(): int
     {
-        return $this->attributes['balance'] ?? 0;
+        return $this->balance ?? 0;
     }
     final public function getContent(): string
     {
-        return $this->attributes['content'] ?? '';
+        return $this->content ?? '';
     }
 }
diff --git a/app/Entities/Equipment/CHASSISEntity.php b/app/Entities/Equipment/CHASSISEntity.php
index 8439082..c467a81 100644
--- a/app/Entities/Equipment/CHASSISEntity.php
+++ b/app/Entities/Equipment/CHASSISEntity.php
@@ -6,7 +6,7 @@ use App\Models\Equipment\CHASSISModel;
 
 class CHASSISEntity extends EquipmentEntity
 {
-    const PK    = CHASSISModel::PK;
+    const PK = CHASSISModel::PK;
     const TITLE = CHASSISModel::TITLE;
     protected $attributes = [
         'title' => '',
@@ -22,45 +22,45 @@ class CHASSISEntity extends EquipmentEntity
     {
         parent::__construct($data);
     }
-    public function  getCPUInfoUid(): int|null
+    public function getCPUInfoUid(): int|null
     {
-        return $this->attributes['cpuinfo_uid'] ?? null;
+        return $this->cpuinfo_uid ?? null;
     }
-    public function  getRAMInfoUid(): int|null
+    public function getRAMInfoUid(): int|null
     {
-        return $this->attributes['raminfo_uid'] ?? null;
+        return $this->raminfo_uid ?? null;
     }
-    public function  getDISKInfoUid(): int|null
+    public function getDISKInfoUid(): int|null
     {
-        return $this->attributes['diskinfo_uid'] ?? null;
+        return $this->diskinfo_uid ?? null;
     }
     //기본기능    
     public function getPrice(): int
     {
-        return $this->attributes['price'] ?? 0;
+        return $this->price ?? 0;
     }
     public function getStock(): int
     {
-        return $this->attributes['stock'] ?? 0;
+        return $this->stock ?? 0;
     }
     public function getUsed(): int
     {
-        return $this->attributes['used'] ?? 0;
+        return $this->used ?? 0;
     }
     public function getAvailable(): int
     {
         return $this->getStock() - $this->getUsed();
     }
-    public function  getCPUCnt(): int
+    public function getCPUCnt(): int
     {
-        return $this->attributes['cpu_cnt'] ?? 0;
+        return $this->cpu_cnt ?? 0;
     }
-    public function  getRAMCnt(): int
+    public function getRAMCnt(): int
     {
-        return $this->attributes['ram_cnt'] ?? 0;
+        return $this->ram_cnt ?? 0;
     }
-    public function  getDISKCnt(): int
+    public function getDISKCnt(): int
     {
-        return $this->attributes['disk_cnt'] ?? 0;
+        return $this->disk_cnt ?? 0;
     }
 }
diff --git a/app/Entities/Equipment/LineEntity.php b/app/Entities/Equipment/LineEntity.php
index ed8d27b..c373429 100644
--- a/app/Entities/Equipment/LineEntity.php
+++ b/app/Entities/Equipment/LineEntity.php
@@ -24,26 +24,26 @@ class LineEntity extends EquipmentEntity
     const TITLE = LineModel::TITLE;
     public function getType(): string
     {
-        return $this->attributes['type'] ?? '';
+        return $this->type ?? '';
     }
     public function getProtocol(): string
     {
-        return $this->attributes['protocol'] ?? '';
+        return $this->protocol ?? '';
     }
     public function getBandwith(): string
     {
-        return $this->attributes['bandwith'] ?? '';
+        return $this->bandwith ?? '';
     }
     public function getStartAt(): string
     {
-        return $this->attributes['start_at'] ?? '';
+        return $this->start_at ?? '';
     }
     public function getEndAt(): string
     {
-        return $this->attributes['end_at'] ?? '';
+        return $this->end_at ?? '';
     }
     public function getContent(): string
     {
-        return $this->attributes['content'] ?? '';
+        return $this->content ?? '';
     }
 }
diff --git a/app/Entities/Equipment/ServerEntity.php b/app/Entities/Equipment/ServerEntity.php
index 1f8c9b0..8745bd9 100644
--- a/app/Entities/Equipment/ServerEntity.php
+++ b/app/Entities/Equipment/ServerEntity.php
@@ -8,7 +8,13 @@ class ServerEntity extends EquipmentEntity
 {
     const PK = ServerModel::PK;
     const TITLE = ServerModel::TITLE;
+
     protected $attributes = [
+        'user_uid' => null,
+        'clientinfo_uid' => null,
+        'serviceinfo_uid' => null,
+        'chassisinfo_uid' => null,
+        'switchinfo_uid' => null,
         'code' => '',
         'title' => '',
         'type' => '',
@@ -26,19 +32,23 @@ class ServerEntity extends EquipmentEntity
     }
     final public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'] ?? null;
+        $val = $this->clientinfo_uid ?? null;
+        return ($val === '' || $val === null) ? null : (int) $val;
     }
     final public function getServiceInfoUid(): int|null
     {
-        return $this->attributes['serviceinfo_uid'] ?? null;
+        $val = $this->serviceinfo_uid ?? null;
+        return ($val === '' || $val === null) ? null : (int) $val;
     }
     final public function getChassisInfoUid(): int|null
     {
-        return $this->attributes['chassisinfo_uid'] ?? null;
+        $val = $this->chassisinfo_uid ?? null;
+        return ($val === '' || $val === null) ? null : (int) $val;
     }
     final public function getSwitchInfoUid(): int|null
     {
-        return $this->attributes['switchinfo_uid'] ?? null;
+        $val = $this->switchinfo_uid ?? null;
+        return ($val === '' || $val === null) ? null : (int) $val;
     }
     //기본기능용
     public function getCustomTitle(mixed $title = null): string
@@ -47,34 +57,34 @@ class ServerEntity extends EquipmentEntity
     }
     final public function getCode(): string
     {
-        return $this->attributes['code'] ?? '';
+        return $this->code ?? null;
     }
     public function getType(): string
     {
-        return $this->attributes['type'] ?? '';
+        return $this->type ?? null;
     }
     public function getIP(): string
     {
-        return $this->attributes['ip'] ?? '';
+        return $this->ip ?? '';
     }
     public function getViewer(): string
     {
-        return $this->attributes['viewer'] ?? '';
+        return $this->viewer ?? '';
     }
     public function getOS(): string
     {
-        return $this->attributes['os'] ?? '';
+        return $this->os ?? '';
     }
     public function getPrice(): int
     {
-        return $this->attributes['price'] ?? 0;
+        return $this->price ?? 0;
     }
     public function getManufacturAt(): string
     {
-        return $this->attributes['manufactur_at'] ?? '';
+        return $this->manufactur_at ?? '';
     }
     public function getFormatAt(): string
     {
-        return $this->attributes['format_at'] ?? '';
+        return $this->format_at ?? '';
     }
 }
diff --git a/app/Entities/Equipment/ServerPartEntity.php b/app/Entities/Equipment/ServerPartEntity.php
index b05fadb..bc17350 100644
--- a/app/Entities/Equipment/ServerPartEntity.php
+++ b/app/Entities/Equipment/ServerPartEntity.php
@@ -6,9 +6,21 @@ use App\Models\Equipment\ServerPartModel;
 
 class ServerPartEntity extends EquipmentEntity
 {
-    const PK    = ServerPartModel::PK;
+    const PK = ServerPartModel::PK;
     const TITLE = ServerPartModel::TITLE;
+
+    protected $casts = [
+        'clientinfo_uid' => '?integer',
+        'part_uid' => '?integer',
+        'serverinfo_uid' => 'integer',
+        'serviceinfo_uid' => '?integer',
+    ];
+
     protected $attributes = [
+        'clientinfo_uid' => null,
+        'part_uid' => null,
+        'serverinfo_uid' => null,
+        'serviceinfo_uid' => null,
         'title' => '',
         'type' => '',
         'billing' => '',
@@ -21,21 +33,21 @@ class ServerPartEntity extends EquipmentEntity
     {
         parent::__construct($data);
     }
-    public function  getClientInfoUid(): int|null
+    public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'] ?? null;
+        return $this->clientinfo_uid ?? null;
     }
-    public function  getServiceInfoUid(): int|null
+    public function getServiceInfoUid(): int|null
     {
-        return $this->attributes['serviceinfo_uid'] ?? null;
+        return $this->serviceinfo_uid ?? null;
     }
-    public function  getServerInfoUid(): int|null
+    public function getServerInfoUid(): int|null
     {
-        return $this->attributes['serverinfo_uid'] ?? null;
+        return $this->serverinfo_uid ?? null;
     }
-    public function  getPartUid(): int|null
+    public function getPartUid(): int|null
     {
-        return $this->attributes['part_uid'] ?? null;
+        return $this->part_uid ?? null;
     }
     //기본기능용
     public function getCustomTitle(): string
@@ -48,26 +60,26 @@ class ServerPartEntity extends EquipmentEntity
     }
     public function getType(): string
     {
-        return $this->attributes['type'] ?? "";
+        return $this->type ?? "";
     }
     public function getBilling(): string
     {
-        return $this->attributes['billing'] ?? "";
+        return $this->billing ?? "";
     }
     public function getBillingAt(): string
     {
-        return $this->attributes['billing_at'] ?? "";
+        return $this->billing_at ?? "";
     }
     public function getCnt(): int
     {
-        return $this->attributes['cnt'] ?? 0;
+        return $this->cnt ?? 0;
     }
     public function getAmount(): int
     {
-        return $this->attributes['amount'] ?? 0;
+        return $this->amount ?? 0;
     }
     public function getExtra(): string
     {
-        return $this->attributes['extra'] ?? '';
+        return $this->extra ?? '';
     }
 }
diff --git a/app/Entities/Part/CPUEntity.php b/app/Entities/Part/CPUEntity.php
index a20b24d..ffc1867 100644
--- a/app/Entities/Part/CPUEntity.php
+++ b/app/Entities/Part/CPUEntity.php
@@ -6,7 +6,7 @@ use App\Models\Part\CPUModel;
 
 class CPUEntity extends PartType1Entity
 {
-    const PK    = CPUModel::PK;
+    const PK = CPUModel::PK;
     const TITLE = CPUModel::TITLE;
     public function __construct(array|null $data = null)
     {
diff --git a/app/Entities/Part/CSEntity.php b/app/Entities/Part/CSEntity.php
index 08bf297..d2eb2a9 100644
--- a/app/Entities/Part/CSEntity.php
+++ b/app/Entities/Part/CSEntity.php
@@ -21,30 +21,30 @@ class CSEntity extends PartType2Entity
         parent::__construct($data);
     }
     //기본기능   
-    final public function  getClientInfoUid(): int|null
+    final public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'];
+        return $this->clientinfo_uid;
     }
-    final public function  getServiceInfoUid(): int|null
+    final public function getServiceInfoUid(): int|null
     {
-        return $this->attributes['serviceinfo_uid'];
+        return $this->serviceinfo_uid;
     }
-    final public function  getServerInfoUid(): int|null
+    final public function getServerInfoUid(): int|null
     {
-        return $this->attributes['serverinfo_uid'];
+        return $this->serverinfo_uid;
     }
     public function getIP(): string
     {
-        return $this->attributes['ip'] ?? '';
+        return $this->ip ?? '';
     }
     //기본기능    
     public function getAccountID(): string
     {
-        return $this->attributes['accountid'] ?? "";
+        return $this->accountid ?? "";
     }
     public function getDomain(): string
     {
-        return $this->attributes['domain'] ?? "";
+        return $this->domain ?? "";
     }
     //abstract 선언처리용
 }
diff --git a/app/Entities/Part/DISKEntity.php b/app/Entities/Part/DISKEntity.php
index 358782c..4b42f5e 100644
--- a/app/Entities/Part/DISKEntity.php
+++ b/app/Entities/Part/DISKEntity.php
@@ -6,7 +6,7 @@ use App\Models\Part\DISKModel;
 
 class DISKEntity extends PartType1Entity
 {
-    const PK    = DISKModel::PK;
+    const PK = DISKModel::PK;
     const TITLE = DISKModel::TITLE;
     protected $attributes = [
         'title' => '',
@@ -24,6 +24,6 @@ class DISKEntity extends PartType1Entity
 
     public function getFormat(): int
     {
-        return $this->attributes['format'] ?? 0;
+        return $this->format ?? 0;
     }
 }
diff --git a/app/Entities/Part/IPEntity.php b/app/Entities/Part/IPEntity.php
index 969a971..bce977b 100644
--- a/app/Entities/Part/IPEntity.php
+++ b/app/Entities/Part/IPEntity.php
@@ -21,33 +21,33 @@ class IPEntity extends PartType3Entity
     {
         parent::__construct($data);
     }
-    public function  getLineInfoUID(): int|null
+    public function getLineInfoUID(): int|null
     {
-        return $this->attributes['lineinfo_uid'] ?? null;
+        return $this->lineinfo_uid ?? null;
     }
-    public function  getOldClientInfoUID(): int|null
+    public function getOldClientInfoUID(): int|null
     {
-        return $this->attributes['old_clientinfo_uid'] ?? null;
+        return $this->old_clientinfo_uid ?? null;
     }
-    final public function  getClientInfoUid(): int|null
+    final public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'];
+        return $this->clientinfo_uid;
     }
-    final public function  getServiceInfoUid(): int|null
+    final public function getServiceInfoUid(): int|null
     {
-        return $this->attributes['serviceinfo_uid'];
+        return $this->serviceinfo_uid;
     }
-    final public function  getServerInfoUid(): int|null
+    final public function getServerInfoUid(): int|null
     {
-        return $this->attributes['serverinfo_uid'];
+        return $this->serverinfo_uid;
     }
     //기본기능    
     public function getIP(): string
     {
-        return $this->attributes['ip'] ?? "";
+        return $this->ip ?? "";
     }
     public function getContent(): string
     {
-        return $this->attributes['content'] ?? "";
+        return $this->content ?? "";
     }
 }
diff --git a/app/Entities/Part/PartEntity.php b/app/Entities/Part/PartEntity.php
index 24ec3da..efec0ec 100644
--- a/app/Entities/Part/PartEntity.php
+++ b/app/Entities/Part/PartEntity.php
@@ -15,10 +15,10 @@ 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()));
+        return sprintf("%s %s원", $title ? $title : $this->getTitle(), number_format($this->getPrice()));
     }
     final public function getPrice(): int
     {
-        return $this->attributes['price'] ?? 0;
+        return $this->price ?? 0;
     }
 }
diff --git a/app/Entities/Part/PartType1Entity.php b/app/Entities/Part/PartType1Entity.php
index 64331fa..32c5ac6 100644
--- a/app/Entities/Part/PartType1Entity.php
+++ b/app/Entities/Part/PartType1Entity.php
@@ -20,11 +20,11 @@ class PartType1Entity extends PartEntity
   //기본기능    
   final public function getStock(): int
   {
-    return $this->attributes['stock'] ?? 0;
+    return $this->stock ?? 0;
   }
   final public function getUsed(): int
   {
-    return $this->attributes['used'] ?? 0;
+    return $this->used ?? 0;
   }
   final public function getAvailable(): int
   {
diff --git a/app/Entities/Part/RAMEntity.php b/app/Entities/Part/RAMEntity.php
index 1090f71..643c4ef 100644
--- a/app/Entities/Part/RAMEntity.php
+++ b/app/Entities/Part/RAMEntity.php
@@ -6,7 +6,7 @@ use App\Models\Part\RAMModel;
 
 class RAMEntity extends PartType1Entity
 {
-    const PK    = RAMModel::PK;
+    const PK = RAMModel::PK;
     const TITLE = RAMModel::TITLE;
     protected $attributes = [
         'title' => '',
diff --git a/app/Entities/Part/SOFTWAREEntity.php b/app/Entities/Part/SOFTWAREEntity.php
index f32ff4e..d2f432d 100644
--- a/app/Entities/Part/SOFTWAREEntity.php
+++ b/app/Entities/Part/SOFTWAREEntity.php
@@ -6,6 +6,6 @@ use App\Models\Part\SOFTWAREModel;
 
 class SOFTWAREEntity extends PartType1Entity
 {
-    const PK    = SOFTWAREModel::PK;
+    const PK = SOFTWAREModel::PK;
     const TITLE = SOFTWAREModel::TITLE;
 }
diff --git a/app/Entities/Part/SWITCHEntity.php b/app/Entities/Part/SWITCHEntity.php
index 8c9aa11..f7a32ef 100644
--- a/app/Entities/Part/SWITCHEntity.php
+++ b/app/Entities/Part/SWITCHEntity.php
@@ -6,7 +6,7 @@ use App\Models\Part\SWITCHModel;
 
 class SWITCHEntity extends PartType3Entity
 {
-    const PK    = SWITCHModel::PK;
+    const PK = SWITCHModel::PK;
     const TITLE = SWITCHModel::TITLE;
     protected $attributes = [
         'code' => 0,
@@ -15,23 +15,22 @@ class SWITCHEntity extends PartType3Entity
     ];
     public function __construct(array|null $data = null)
     {
-        $this->attributes['code'] = '';
         parent::__construct($data);
     }
-    final public function  getClientInfoUid(): int|null
+    final public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'];
+        return $this->clientinfo_uid ?? null;
     }
-    final public function  getServiceInfoUid(): int|null
+    final public function getServiceInfoUid(): int|null
     {
-        return $this->attributes['serviceinfo_uid'];
+        return $this->serviceinfo_uid ?? null;
     }
-    final public function  getServerInfoUid(): int|null
+    final public function getServerInfoUid(): int|null
     {
-        return $this->attributes['serverinfo_uid'];
+        return $this->serverinfo_uid ?? null;
     }
     public function getCode(): string
     {
-        return $this->attributes['code'] ?? "";
+        return $this->code ?? "";
     }
 }
diff --git a/app/Entities/PaymentEntity.php b/app/Entities/PaymentEntity.php
index dd06ee3..d7f1206 100644
--- a/app/Entities/PaymentEntity.php
+++ b/app/Entities/PaymentEntity.php
@@ -25,15 +25,15 @@ class PaymentEntity extends CommonEntity
     }
     final public function getUserUid(): int|null
     {
-        return $this->attributes['user_uid'] ?? null;
+        return $this->user_uid ?? null;
     }
-    final public function  getClientInfoUid(): int|null
+    final public function getClientInfoUid(): int|null
     {
-        return $this->attributes['clientinfo_uid'] ?? null;
+        return $this->clientinfo_uid ?? null;
     }
-    final public function  getServiceInfoUid(): int|null
+    final public function getServiceInfoUid(): int|null
     {
-        return $this->attributes['serviceinfo_uid'] ?? null;
+        return $this->serviceinfo_uid ?? null;
     }
     //기본기능    
     public function getCustomTitle(): string
@@ -42,27 +42,27 @@ class PaymentEntity extends CommonEntity
     }
     public function getBilling(): string
     {
-        return $this->attributes['billing'] ?? "";
+        return $this->billing ?? "";
     }
     public function getAmount(): int
     {
-        return $this->attributes['amount'] ?? 0;
+        return $this->amount ?? 0;
     }
     public function getBillingAt(): string
     {
-        return $this->attributes['billing_at'] ?? "";
+        return $this->billing_at ?? "";
     }
     public function getBillingMonth(): int
     {
-        return $this->attributes['billing_month'] ?? 0;
+        return $this->billing_month ?? 0;
     }
     public function getPay(): string
     {
-        return $this->attributes['pay'] ?? "";
+        return $this->pay ?? "";
     }
     public function getContent(): string
     {
-        return $this->attributes['content'] ?? "";
+        return $this->content ?? "";
     }
     public function getCountDueAt(): string
     {
@@ -72,10 +72,10 @@ class PaymentEntity extends CommonEntity
             $due = new DateTime($this->getBillingAt());
             if ($due < $now) {
                 $interval = $due->diff($now);
-                $result   = "{$interval->days}일지남";
+                $result = "{$interval->days}일지남";
             } else if ($due > $now) {
                 $interval = $now->diff($due);
-                $day      = $interval->days + 1;
+                $day = $interval->days + 1;
                 $result = "{$day}일전";
             } else {
                 $result = "당일";
diff --git a/app/Entities/UserEntity.php b/app/Entities/UserEntity.php
index c3969a8..1db7d24 100644
--- a/app/Entities/UserEntity.php
+++ b/app/Entities/UserEntity.php
@@ -30,11 +30,11 @@ class UserEntity extends CommonEntity
     }
     public function getID(): string
     {
-        return (string) $this->attributes['id'];
+        return (string) $this->id;
     }
     public function getPassword(): string
     {
-        return $this->attributes['passwd'];
+        return $this->passwd;
     }
     /**
      * 사용자의 역할을 배열 형태로 반환합니다. 
@@ -43,7 +43,7 @@ class UserEntity extends CommonEntity
      */
     public function getRole(): array
     {
-        $role = $this->attributes['role'] ?? null;
+        $role = $this->role ?? null;
         // 1. 이미 배열인 경우 (방어적 코딩)
         if (is_array($role)) {
             return array_filter($role);
@@ -70,7 +70,7 @@ class UserEntity extends CommonEntity
     {
         // 입력된 비밀번호가 null이 아니고 비어있지 않을 때만 해시 처리
         if (!empty($password)) {
-            $this->attributes['passwd'] = password_hash($password, PASSWORD_BCRYPT);
+            $this->passwd = password_hash($password, PASSWORD_BCRYPT);
         }
     }
 
@@ -99,6 +99,6 @@ class UserEntity extends CommonEntity
         $cleanedRoles = array_map(fn($item) => trim((string) ($item ?? ''), " \t\n\r\0\x0B\""), $roleArray);
         $roleArray = array_filter($cleanedRoles);
         // 최종적으로 DB에 삽입될 단일 CSV 문자열로 변환하여 저장합니다.
-        $this->attributes['role'] = implode(DEFAULTS["DELIMITER_ROLE"], $roleArray);
+        $this->role = implode(DEFAULTS["DELIMITER_ROLE"], $roleArray);
     }
 }
diff --git a/app/Entities/UserSNSEntity.php b/app/Entities/UserSNSEntity.php
index 96ecb48..01d4201 100644
--- a/app/Entities/UserSNSEntity.php
+++ b/app/Entities/UserSNSEntity.php
@@ -21,18 +21,18 @@ class UserSNSEntity extends CommonEntity
     //Common Function
     public function getID(): string
     {
-        return $this->attributes['id'];
+        return $this->id;
     }
     public function getSite(): string
     {
-        return $this->attributes['site'];
+        return $this->site;
     }
     public function getEmail(): string
     {
-        return $this->attributes['email'];
+        return $this->email;
     }
     public function getParent(): int|string
     {
-        return $this->attributes['user_uid'];
+        return $this->user_uid;
     }
 }
diff --git a/app/Services/CommonService.php b/app/Services/CommonService.php
index 0235b3f..1886f51 100644
--- a/app/Services/CommonService.php
+++ b/app/Services/CommonService.php
@@ -126,11 +126,14 @@ abstract class CommonService
      * 단일 엔티티를 조회합니다.
      */
     abstract protected function getEntity_process(CommonEntity $entity): CommonEntity;
-    final public function getEntity(string|int|array $where, ?string $message = null): ?CommonEntity
+    final public function getEntity($where = null, ?string $message = null): ?CommonEntity
     {
         try {
-            $entity = is_array($where) ? $this->model->where($where)->first() : $this->model->find($where);
-            if (!$entity) {
+            $entity = null;
+            if ($where !== null) {
+                $entity = is_array($where) ? $this->model->where($where)->first() : $this->model->find($where);
+            }
+            if ($entity === null) {
                 return null;
             }
             // 💡 동적으로 가져온 Entity 클래스 이름으로 instanceof 검사
@@ -234,8 +237,8 @@ abstract class CommonService
     {
         // INSERT 시 Entity의 PK는 0 또는 NULL이어야 함 (DB가 ID를 생성하도록)
         $initialPK = $entity->getPK();
-        $result = $this->model->save($entity);
         log_message('debug', __FUNCTION__ . ":" . var_export($entity, true));
+        $result = $this->model->save($entity);
         log_message('debug', __FUNCTION__ . ":" . $this->model->getLastQuery());
         // 최종적으로 DB에 반영된 PK를 반환받습니다. (UPDATE이면 기존 PK, INSERT이면 새 PK)
         $entity->{$this->getPKField()} = $this->handle_save_result($result, $initialPK);
diff --git a/app/Services/Equipment/ServerPartService.php b/app/Services/Equipment/ServerPartService.php
index 69f664d..20d627e 100644
--- a/app/Services/Equipment/ServerPartService.php
+++ b/app/Services/Equipment/ServerPartService.php
@@ -46,7 +46,28 @@ class ServerPartService extends EquipmentService
     {
         return $entity;
     }
-    private function getFormDatasForServerPart(array $formDatas): array
+    private function getBillingAtByServiceEntity(ServiceEntity $serviceEntity, string $billing): string
+    {
+        //청구방식에 따른 결제일 설정
+        $billing_at = null;
+        if ($billing === PAYMENT['BILLING']['MONTH']) {
+            $billing_at = $serviceEntity->getBillingAt();
+        } else if ($billing === PAYMENT['BILLING']['ONETIME']) {
+            $billing_at = date("Y-m-d");
+        } else {
+            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$billing}에 해당하는 청구방식을 찾을수 없습니다.");
+        }
+        return $billing_at;
+    }
+    private function setPartTitleByPartEntity(array $formDatas): string
+    {
+        $partEntity = $this->getPartService($formDatas['type'])->getEntity($formDatas['part_uid']);
+        if (!$partEntity instanceof PartEntity) {
+            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$formDatas['part_uid']}에 해당하는 파트정보을 찾을수 없습니다.");
+        }
+        return $partEntity->getTitle();
+    }
+    private function getFormDatasForServerPart(array $formDatas, ServerEntity $serverEntity): array
     {
         if (empty($formDatas['serverinfo_uid'])) {
             throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: 서버번호가 지정되지 않았습니다.");
@@ -61,44 +82,33 @@ class ServerPartService extends EquipmentService
         if (empty($formDatas['part_uid'])) {
             throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: 파트번호가 지정되지 않았습니다.");
         }
-        //서버정보 가져오기
-        $serverEntity = service('equipment_serverservice')->getEntity($formDatas['serverinfo_uid']);
-        if (!$serverEntity instanceof ServerEntity) {
-            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$formDatas['serverinfo_uid']}에 해당하는 서버정보을 찾을수 없습니다.");
-        }
+        //해당 파트정보의 Title을 파트정보의 Title로 설정
+        $formDatas['title'] = $this->setPartTitleByPartEntity($formDatas);
+        //청구일 설정
         //서비스정보 가져오기
         $serviceEntity = null;
         if ($serverEntity->getServiceInfoUid()) {
             $serviceEntity = service('customer_serviceservice')->getEntity($serverEntity->getServiceInfoUid());
         }
-        //각 파트정보 가져오기
-        $partEntity = $this->getPartService($formDatas['type'])->getEntity($formDatas['part_uid']);
-        if (!$serviceEntity instanceof ServiceEntity) {
+        $formDatas['billing_at'] = null;
+        if ($serviceEntity instanceof ServiceEntity) {
+            $formDatas['billing_at'] = $this->getBillingAtByServiceEntity($serviceEntity, $formDatas['billing']);
         }
         //해당 파트정보에 고객번호,서비스번호 설정
         $formDatas['clientinfo_uid'] = $serverEntity->getClientInfoUid();
         $formDatas['serviceinfo_uid'] = $serverEntity->getServiceInfoUid();
-        //해당 파트정보의 Title을 서버파트정보의 Titlte 설정
-        $formDatas['title'] = $partEntity->getTitle();
-        //청구방식에 따른 결제일 설정
-        $formDatas['billing_at'] = null;
-        if ($formDatas['billing'] === PAYMENT['BILLING']['MONTH']) {
-            if (!$serviceEntity instanceof ServiceEntity) {
-                throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: 매월결제 상품은 서비스정보가 지정된 후 설정하실 수 있습니다.");
-            }
-            $formDatas['billing_at'] = $serviceEntity->getBillingAt();
-        } elseif ($formDatas['billing'] === PAYMENT['BILLING']['ONETIME']) {
-            if (!$serviceEntity instanceof ServiceEntity) {
-                throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: 매월결제 상품은 서비스정보가 지정된 후 설정하실 수 있습니다.");
-            }
-            $formDatas['billing_at'] = date("Y-m-d");
-        }
-        return array($serverEntity, $serviceEntity, $partEntity, $formDatas);
+        return $formDatas;
     }
     protected function create_process(array $formDatas): CommonEntity
     {
+        //서버정보 가져오기
+        $serverEntity = service('equipment_serverservice')->getEntity($formDatas['serverinfo_uid']);
+        if (!$serverEntity instanceof ServerEntity) {
+            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$formDatas['serverinfo_uid']}에 해당하는 서버정보을 찾을수 없습니다.");
+        }
+        //생성을 위한 추가 FormDatas설정
+        $formDatas = $this->getFormDatasForServerPart($formDatas, $serverEntity);
         //서버파트 생성
-        list($serverEntity, $serviceEntity, $partEntity, $formDatas) = $this->getFormDatasForServerPart($formDatas);
         $entity = parent::create_process($formDatas);
         if (!$entity instanceof ServerPartEntity) {
             throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생:Return Type은 ServerPartEntity만 가능");
@@ -106,7 +116,11 @@ class ServerPartService extends EquipmentService
         //해당 파트정보를 서버파트정보에 추가
         $this->getPartService($entity->getType())->attachToServerPart($entity);
         //서비스가 정의 되어 있으면
-        if ($serviceEntity instanceof ServiceEntity) {
+        if ($entity->getServiceInfoUid()) {
+            $serviceEntity = service('customer_serviceservice')->getEntity($entity->getServiceInfoUid());
+            if (!$serviceEntity instanceof ServiceEntity) {
+                throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$entity->getServiceInfoUid()}에 해당하는 서비스정보을 찾을수 없습니다.");
+            }
             //Billing형식이 Month이면 서비스 금액설정 호출
             if ($entity->getBilling() == PAYMENT['BILLING']['MONTH']) {
                 service('customer_serviceservice')->updateAmount($serviceEntity);
@@ -120,7 +134,13 @@ class ServerPartService extends EquipmentService
     }
     protected function modify_process($entity, array $formDatas): CommonEntity
     {
-        list($serverEntity, $serviceEntity, $partEntity, $formDatas) = $this->getFormDatasForServerPart($formDatas);
+        //서버정보 가져오기
+        $serverEntity = service('equipment_serverservice')->getEntity($formDatas['serverinfo_uid']);
+        if (!$serverEntity instanceof ServerEntity) {
+            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$formDatas['serverinfo_uid']}에 해당하는 서버정보을 찾을수 없습니다.");
+        }
+        //수정을 위한 추가 FormDatas설정
+        $formDatas = $this->getFormDatasForServerPart($formDatas, $serverEntity);
         //서버파트 수정
         $oldEntity = clone $entity;
         $entity = parent::modify_process($entity, $formDatas);
@@ -130,7 +150,11 @@ class ServerPartService extends EquipmentService
         //해당 파트정보가 변경
         $this->getPartService($entity->getType())->modifyServerPart($oldEntity, $entity);
         //서비스가 정의 되어 있으면
-        if ($serviceEntity instanceof ServiceEntity) {
+        if ($entity->getServiceInfoUid()) {
+            $serviceEntity = service('customer_serviceservice')->getEntity($entity->getServiceInfoUid());
+            if (!$serviceEntity instanceof ServiceEntity) {
+                throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$entity->getServiceInfoUid()}에 해당하는 서비스정보을 찾을수 없습니다.");
+            }
             //Billing형식이 Month이면 서비스 금액설정 호출
             if ($entity->getBilling() == PAYMENT['BILLING']['MONTH']) {
                 service('customer_serviceservice')->updateAmount($serviceEntity);
diff --git a/app/Services/Equipment/ServerService.php b/app/Services/Equipment/ServerService.php
index 0ca5421..4a2cd3d 100644
--- a/app/Services/Equipment/ServerService.php
+++ b/app/Services/Equipment/ServerService.php
@@ -127,8 +127,13 @@ class ServerService extends EquipmentService
             throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생:Return Type은 ServerEntity만 가능");
         }
         //서버추가시 서버파트 자동추가용
-        service('part_ipservice')->attachToServer($entity);
-        service('part_switchservice')->attachToServer($entity);
+        // dd($entity);
+        if ($entity->getIP()) {
+            service('part_ipservice')->attachToServer($entity);
+        }
+        if ($entity->getSwitchInfoUid()) {
+            service('part_switchservice')->attachToServer($entity);
+        }
         service('equipment_chassisservice')->attachToServer($entity);
         service('equipment_serverpartservice')->attachToServer($entity);
         return $entity;
@@ -218,8 +223,12 @@ class ServerService extends EquipmentService
             throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$uid}에 해당하는 서버정보을 찾을수 없습니다.");
         }
         //서버파트정보 해제
-        service('part_ipservice')->detachFromServer($entity);
-        service('part_switchservice')->detachFromServer($entity);
+        if ($entity->getIP()) {
+            service('part_ipservice')->detachFromServer($entity);
+        }
+        if ($entity->getSwitchInfoUid()) {
+            service('part_switchservice')->detachFromServer($entity);
+        }
         service('equipment_serverpartservice')->detachFromServer($entity);
         //서버정보 초기화
         $formDatas['serviceinfo_uid'] = null;
diff --git a/app/Services/Part/SWITCHService.php b/app/Services/Part/SWITCHService.php
index b17186d..a8cc87a 100644
--- a/app/Services/Part/SWITCHService.php
+++ b/app/Services/Part/SWITCHService.php
@@ -56,7 +56,7 @@ class SWITCHService extends PartType3Service
         //IP정보에서 해당하는 IP가 있으면 가져와서 사용중인지 체크 후 수정
         $entity = $this->getEntity($serverEntity->getSwitchInfoUid());
         if (!$entity instanceof SWITCHEntity) {
-            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 {$serverEntity->getSwitchInfoUid()}에 해당하는 IP정보를 찾을수없습니다.");
+            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 {$serverEntity->getSwitchInfoUid()}에 해당하는 스위치정보를 찾을수없습니다.");
         }
         return $entity;
     }