diff --git a/app/Controllers/Admin/AdminController.php b/app/Controllers/Admin/AdminController.php
index 3fd5bf5..e990e10 100644
--- a/app/Controllers/Admin/AdminController.php
+++ b/app/Controllers/Admin/AdminController.php
@@ -305,4 +305,63 @@ abstract class AdminController extends CommonController
         $this->getAuthContext()->pushCurrentUrl($this->request->getUri()->getPath() . ($this->request->getUri()->getQuery() ? "?" . $this->request->getUri()->getQuery() : ""));
         return $this->action_render_process($this->getActionPaths(), $action, $this->getViewDatas());
     }
+
+    //OUPUT Document 관련
+    protected function download_process(string $document_type, mixed $loaded_data): array
+    {
+        $full_path = WRITEPATH . DIRECTORY_SEPARATOR . "excel";
+        switch ($document_type) {
+            case 'excel':
+                $file_name = sprintf("%s_%s.xlsx", $this->service->getClassPaths(false, "_"), date('Y-m-d_Hm'));
+                $writer = IOFactory::createWriter($loaded_data, 'Xlsx');
+                $writer->save($full_path . DIRECTORY_SEPARATOR . $file_name);
+                break;
+            case 'pdf':
+                $file_name = sprintf("%s_%s.pdf", $this->service->getClassPaths(false, "_"), date('Y-m-d_Hm'));
+                $writer = new Mpdf($loaded_data);
+                $writer->save($full_path . DIRECTORY_SEPARATOR . $file_name);
+                break;
+        }
+        return array($full_path, $file_name);
+    }
+    // Download
+    public function download(string $output_type, mixed $uid = false): DownloadResponse|RedirectResponse|string
+    {
+        $action = __FUNCTION__;
+        try {
+            //초기화
+            $this->action_init_process($action);
+            switch ($output_type) {
+                case 'excel':
+                case 'pdf':
+                    helper(['form']);
+                    foreach ($this->getService()->getEntities() as $entity) {
+                        $entities[] = $entity;
+                    }
+                    $this->entities = $entities;
+                    $html = $this->getResultSuccess();
+                    //data loading
+                    $reader = new Html();
+                    $loaded_data = $reader->loadFromString($html);
+                    list($full_path, $file_name) = $this->download_process($output_type, $loaded_data);
+                    $full_path .= DIRECTORY_SEPARATOR . $file_name;
+                    break;
+                default:
+                    if (!$uid) {
+                        throw new \Exception("{$output_type}은 반드시 uid의 값이 필요합니다.");
+                    }
+                    $entity = $this->getService()->getEntity($uid);
+                    if (!$entity) {
+                        throw new \Exception("{$uid}에 대한 정보를 찾을수 없습니다.");
+                    }
+                    $this->entity = $entity;
+                    list($file_name, $uploaded_filename) = $entity->getDownlaodFile();
+                    $full_path = WRITEPATH . DIRECTORY_SEPARATOR . "uploads" . DIRECTORY_SEPARATOR . $uploaded_filename;
+                    break;
+            }
+            return $this->response->download($full_path, null)->setFileName($file_name);
+        } catch (\Exception $e) {
+            return $this->getResultFail($e->getMessage());
+        }
+    }
 }
diff --git a/app/Services/Auth/AuthService.php b/app/Services/Auth/AuthService.php
index ad67c4e..ab07f6f 100644
--- a/app/Services/Auth/AuthService.php
+++ b/app/Services/Auth/AuthService.php
@@ -16,12 +16,10 @@ use CodeIgniter\Validation\Exceptions\ValidationException;
  */
 abstract class AuthService
 {
-	protected $title = null;
+	private $_helper = null;
 	private ?AuthContext $_authContext = null;
 	private array $_classPaths = [];
-	protected $formServiceInstance = null;
 	protected ?CommonModel $model = null;
-	protected ?AuthHelper $helperInstance = null;
 
 	protected function __construct(CommonModel $model)
 	{
@@ -31,16 +29,16 @@ abstract class AuthService
 	abstract public function getFormService(): mixed;
 	final public function getHelper(): AuthHelper
 	{
-		if ($this->helperInstance === null) {
-			$this->helperInstance = new AuthHelper();
+		if ($this->_helper === null) {
+			$this->_helper = new AuthHelper();
 			// AuthHelper에 필요한 기본 메타데이터만 설정합니다. (CRUD 제거)
-			$this->helperInstance->setAttributes([
+			$this->_helper->setAttributes([
 				'pk_field'         => $this->model->getPKField(),
 				'title_field'      => $this->model->getTitleField(),
 				'class_path'       => $this->getClassPaths(false)
 			]);
 		}
-		return $this->helperInstance;
+		return $this->_helper;
 	}
 	//인증세션용
 	final public function getAuthContext(): AuthContext
diff --git a/app/Services/Auth/GoogleService.php b/app/Services/Auth/GoogleService.php
index f6f3784..629d756 100644
--- a/app/Services/Auth/GoogleService.php
+++ b/app/Services/Auth/GoogleService.php
@@ -13,6 +13,7 @@ use RuntimeException;
 
 class GoogleService extends AuthService
 {
+	private $_form = null;
 	public function __construct(UserModel $model, private CURL $socket)
 	{
 		parent::__construct($model);
@@ -20,17 +21,17 @@ class GoogleService extends AuthService
 	}
 	public function getFormService(): GoogleForm
 	{
-		if ($this->formServiceInstance === null) {
-			$this->formServiceInstance = new GoogleForm();
-			$this->formServiceInstance->setAttributes([
+		if ($this->_form === null) {
+			$this->_form = new GoogleForm();
+			$this->_form->setAttributes([
 				'pk_field'         => $this->model->getPKField(),
 				'title_field'      => $this->model->getTitleField(),
 				'table'            => $this->model->getTable(),
 				'useAutoIncrement' => $this->model->useAutoIncrement(),
-				'class_path' => $this->getClassPaths(false)
+				'class_path'       => $this->getClassPaths(false),
 			]);
 		}
-		return $this->formServiceInstance;
+		return $this->_form;
 	}
 	//기본기능
 	protected function login_process(array $formDatas): UserEntity
@@ -44,9 +45,9 @@ class GoogleService extends AuthService
 				throw new PageNotFoundException("회원[{$sns_entity->getTitle()}]님은 아직 로컬사용자 연결이 이루어지지 않았습니다.");
 			}
 			return $entity;
-		} catch (\Google_Service_Exception $e) {
-			log_message('error', '구글 서비스 예외발생: ' . $e->getMessage());
-			throw new PageNotFoundException("구글 로그인 중 오류가 발생했습니다. 다시 시도해 주세요.");
+			// } catch (\Google_Service_Exception $e) {
+			// log_message('error', '구글 서비스 예외발생: ' . $e->getMessage());
+			// throw new PageNotFoundException("구글 로그인 중 오류가 발생했습니다. 다시 시도해 주세요.");
 		} catch (\Exception $e) {
 			log_message('error', $e->getMessage());
 			throw new PageNotFoundException("관리자에게 문의하시기 바랍니다.\n{$e->getMessage()}");
diff --git a/app/Services/Auth/LocalService.php b/app/Services/Auth/LocalService.php
index 3ebeefc..76497b2 100644
--- a/app/Services/Auth/LocalService.php
+++ b/app/Services/Auth/LocalService.php
@@ -12,6 +12,7 @@ use RuntimeException;
 
 class LocalService extends AuthService
 {
+	private $_form = null;
 	public function __construct(UserModel $model)
 	{
 		parent::__construct($model);
@@ -20,9 +21,9 @@ class LocalService extends AuthService
 
 	public function getFormService(): LocalForm
 	{
-		if ($this->formServiceInstance === null) {
-			$this->formServiceInstance = new LocalForm();
-			$this->formServiceInstance->setAttributes([
+		if ($this->_form === null) {
+			$this->_form = new LocalForm();
+			$this->_form->setAttributes([
 				'pk_field'         => $this->model->getPKField(),
 				'title_field'      => $this->model->getTitleField(),
 				'table'            => $this->model->getTable(),
@@ -30,7 +31,7 @@ class LocalService extends AuthService
 				'class_path'       => $this->getClassPaths(false),
 			]);
 		}
-		return $this->formServiceInstance;
+		return $this->_form;
 	}
 	protected function login_process(array $formDatas): UserEntity
 	{
diff --git a/app/Services/CollectorService.php b/app/Services/CollectorService.php
index a4ab688..f0a21c8 100644
--- a/app/Services/CollectorService.php
+++ b/app/Services/CollectorService.php
@@ -13,9 +13,11 @@ use RuntimeException;
 
 class CollectorService extends CommonService
 {
-    const OID_IF_IN_OCTETS  = '1.3.6.1.2.1.2.2.1.10.'; // ifInOctets (Raw Octets)
+    private $_form = null;
+    private $_helper = null;
+    const OID_IF_IN_OCTETS = '1.3.6.1.2.1.2.2.1.10.'; // ifInOctets (Raw Octets)
     const OID_IF_OUT_OCTETS = '1.3.6.1.2.1.2.2.1.16.'; // ifOutOctets (Raw Octets)
-    const SNMP_VERSION      = '2c';
+    const SNMP_VERSION   = '2c';
     // Counter32의 최대값 + 1 (오버플로우 보정을 위해 사용)
     const MAX_COUNTER_32BIT = 4294967296;
     public function __construct(CollectorModel $model)
@@ -25,31 +27,31 @@ class CollectorService extends CommonService
     }
     public function getFormService(): CollectorForm
     {
-        if ($this->formServiceInstance === null) {
-            $this->formServiceInstance = new CollectorForm();
-            $this->formServiceInstance->setAttributes([
-                'pk_field'         => $this->model->getPKField(),
-                'title_field'      => $this->model->getTitleField(),
-                'table'            => $this->model->getTable(),
+        if ($this->_form === null) {
+            $this->_form = new CollectorForm();
+            $this->_form->setAttributes([
+                'pk_field'     => $this->model->getPKField(),
+                'title_field'   => $this->model->getTitleField(),
+                'table'      => $this->model->getTable(),
                 'useAutoIncrement' => $this->model->useAutoIncrement(),
-                'class_path'       => $this->getClassPaths(false),
+                'class_path'    => $this->getClassPaths(false),
             ]);
         }
-        return $this->formServiceInstance;
+        return $this->_form;
     }
     public function getHelper(): CollectorHelper
     {
-        if ($this->helperInstance === null) {
-            $this->helperInstance = new CollectorHelper();
-            $this->helperInstance->setAttributes([
-                'pk_field'         => $this->model->getPKField(),
-                'title_field'      => $this->model->getTitleField(),
-                'table'            => $this->model->getTable(),
+        if ($this->_helper === null) {
+            $this->_helper = new CollectorHelper();
+            $this->_helper->setAttributes([
+                'pk_field'     => $this->model->getPKField(),
+                'title_field'   => $this->model->getTitleField(),
+                'table'      => $this->model->getTable(),
                 'useAutoIncrement' => $this->model->useAutoIncrement(),
-                'class_path'       => $this->getClassPaths(false),
+                'class_path'    => $this->getClassPaths(false),
             ]);
         }
-        return $this->helperInstance;
+        return $this->_helper;
     }
     //기본 기능부분
     public function create(object $dto): CollectorEntity
@@ -77,9 +79,9 @@ class CollectorService extends CommonService
     //SNMP연결
     private function getSNMPOctets(TrafficEntity $trafficEntity, string $oid): ?int
     {
-        $fullOid   = $oid . $trafficEntity->getInterface();
+        $fullOid  = $oid . $trafficEntity->getInterface();
         $community = $trafficEntity->getCommunity();
-        $ip        = $trafficEntity->getIP();
+        $ip    = $trafficEntity->getIP();
         // snmp2_get을 사용하여 SNMP v2c로 요청
         // 💡 snmp2_get() 함수가 존재하지 않는다는 LSP 오류를 무시하기 위해 @suppress 태그 사용
         /** @phpstan-ignore-next-line */
@@ -98,7 +100,7 @@ class CollectorService extends CommonService
     }
     public function getCalculatedData(TrafficEntity $trafficEntity): array
     {
-        $currentInOctets  = $this->getSNMPOctets($trafficEntity, self::OID_IF_IN_OCTETS);
+        $currentInOctets = $this->getSNMPOctets($trafficEntity, self::OID_IF_IN_OCTETS);
         $currentOutOctets = $this->getSNMPOctets($trafficEntity, self::OID_IF_OUT_OCTETS);
 
         if ($currentInOctets === null || $currentOutOctets === null) {
@@ -111,16 +113,16 @@ class CollectorService extends CommonService
         // $this->model은 TrafficDataModel의 인스턴스라고 가정
         $lastEntity = $this->model->getLastEntity($trafficEntity->getPK());
 
-        $inKbitsSec  = 0.0;
+        $inKbitsSec = 0.0;
         $outKbitsSec = 0.0;
 
         // 이전 데이터가 있어야만 Rate 계산 가능
         if ($lastEntity !== null) {
-            $lastTime  = Time::parse($lastEntity->getCreatedAt())->getTimestamp();
+            $lastTime = Time::parse($lastEntity->getCreatedAt())->getTimestamp();
             $deltaTime = Time::now()->getTimestamp() - $lastTime;
 
             if ($deltaTime > 0) {
-                $lastIn  = $lastEntity->getRawIn();
+                $lastIn = $lastEntity->getRawIn();
                 $lastOut = $lastEntity->getRawOut();
 
                 // 💡 1. 인바운드 Octets 차분 계산 (오버플로우 처리)
@@ -145,7 +147,7 @@ class CollectorService extends CommonService
 
                 // Kbit/s 계산: (Delta_Octets * 8 bits) / Delta_Time_Seconds / 1000 (-> Kbit/s)
                 // 실수(float) 연산으로 정확도를 높입니다.
-                $inKbitsSec  = ($deltaInOctets * 8.0) / $deltaTime / 1000.0;
+                $inKbitsSec = ($deltaInOctets * 8.0) / $deltaTime / 1000.0;
                 $outKbitsSec = ($deltaOutOctets * 8.0) / $deltaTime / 1000.0;
             } else {
                 log_message('error', "시간 차이 오류 발생: {$trafficEntity->getIP()} - {$deltaTime}초 (UID: {$trafficEntity->getPK()})");
@@ -154,12 +156,12 @@ class CollectorService extends CommonService
 
         // DB에 저장할 데이터를 배열로 반환
         return [
-            // 💡 정수 캐스팅 대신 반올림을 사용하여 정밀도 유지 및 데이터 형식 일치
+            // 💡 요청에 따라 'in'과 'out' 값을 정수형으로 캐스팅하여 소수점 이하를 버림
             'trafficinfo_uid' => (int)$trafficEntity->getPK(),
-            'in'              => round($inKbitsSec, 2),  // 소수점 2자리까지 반올림
-            'out'             => round($outKbitsSec, 2), // 소수점 2자리까지 반올림
-            'raw_in'          => (int)$currentInOctets,
-            'raw_out'         => (int)$currentOutOctets,
+            'in'       => (int)$inKbitsSec, // 정수형으로 반환
+            'out'       => (int)$outKbitsSec, // 정수형으로 반환
+            'raw_in'     => (int)$currentInOctets,
+            'raw_out'     => (int)$currentOutOctets,
         ];
     }
 }
diff --git a/app/Services/CommonService.php b/app/Services/CommonService.php
index d2176e6..32f7a94 100644
--- a/app/Services/CommonService.php
+++ b/app/Services/CommonService.php
@@ -12,8 +12,6 @@ abstract class CommonService
 {
     private array $_classPaths = [];
     protected $title = null;
-    protected $formServiceInstance = null;
-    protected $helperInstance = null;
     protected function __construct(protected CommonModel $model) {}
     abstract public function getFormService(): mixed;
     abstract public function getHelper(): mixed;
diff --git a/app/Services/MylogService.php b/app/Services/MylogService.php
index d99862b..0f10510 100644
--- a/app/Services/MylogService.php
+++ b/app/Services/MylogService.php
@@ -11,6 +11,8 @@ use RuntimeException;
 
 class MylogService extends CommonService
 {
+    private $_form = null;
+    private $_helper = null;
     public function __construct(MylogModel $model)
     {
         parent::__construct($model);
@@ -18,9 +20,9 @@ class MylogService extends CommonService
     }
     public function getFormService(): MylogForm
     {
-        if ($this->formServiceInstance === null) {
-            $this->formServiceInstance = new MylogForm();
-            $this->formServiceInstance->setAttributes([
+        if ($this->_form === null) {
+            $this->_form = new MylogForm();
+            $this->_form->setAttributes([
                 'pk_field'         => $this->model->getPKField(),
                 'title_field'      => $this->model->getTitleField(),
                 'table'            => $this->model->getTable(),
@@ -28,13 +30,13 @@ class MylogService extends CommonService
                 'class_path' => $this->getClassPaths(false)
             ]);
         }
-        return $this->formServiceInstance;
+        return $this->_form;
     }
     public function getHelper(): MylogHelper
     {
-        if ($this->helperInstance === null) {
-            $this->helperInstance = new MylogHelper();
-            $this->helperInstance->setAttributes([
+        if ($this->_helper === null) {
+            $this->_helper = new MylogHelper();
+            $this->_helper->setAttributes([
                 'pk_field'         => $this->model->getPKField(),
                 'title_field'      => $this->model->getTitleField(),
                 'table'            => $this->model->getTable(),
@@ -42,7 +44,7 @@ class MylogService extends CommonService
                 'class_path' => $this->getClassPaths(false)
             ]);
         }
-        return $this->helperInstance;
+        return $this->_helper;
     }
     //기본 기능부분
     public function create(object $dto): MylogEntity
diff --git a/app/Services/TrafficService.php b/app/Services/TrafficService.php
index d65f2d7..2904004 100644
--- a/app/Services/TrafficService.php
+++ b/app/Services/TrafficService.php
@@ -11,6 +11,8 @@ use RuntimeException;
 
 class TrafficService extends CommonService
 {
+    private $_form = null;
+    private $_helper = null;
     public function __construct(TrafficModel $model)
     {
         parent::__construct($model);
@@ -18,9 +20,9 @@ class TrafficService extends CommonService
     }
     public function getFormService(): TrafficForm
     {
-        if ($this->formServiceInstance === null) {
-            $this->formServiceInstance = new TrafficForm();
-            $this->formServiceInstance->setAttributes([
+        if ($this->_form === null) {
+            $this->_form = new TrafficForm();
+            $this->_form->setAttributes([
                 'pk_field'         => $this->model->getPKField(),
                 'title_field'      => $this->model->getTitleField(),
                 'table'            => $this->model->getTable(),
@@ -28,13 +30,13 @@ class TrafficService extends CommonService
                 'class_path' => $this->getClassPaths(false)
             ]);
         }
-        return $this->formServiceInstance;
+        return $this->_form;
     }
     public function getHelper(): TrafficHelper
     {
-        if ($this->helperInstance === null) {
-            $this->helperInstance = new TrafficHelper();
-            $this->helperInstance->setAttributes([
+        if ($this->_helper === null) {
+            $this->_helper = new TrafficHelper();
+            $this->_helper->setAttributes([
                 'pk_field'         => $this->model->getPKField(),
                 'title_field'      => $this->model->getTitleField(),
                 'table'            => $this->model->getTable(),
@@ -42,7 +44,7 @@ class TrafficService extends CommonService
                 'class_path' => $this->getClassPaths(false)
             ]);
         }
-        return $this->helperInstance;
+        return $this->_helper;
     }
     //기본 기능부분
     public function create(object $dto): TrafficEntity
diff --git a/app/Services/UserService.php b/app/Services/UserService.php
index 6746921..4c5e520 100644
--- a/app/Services/UserService.php
+++ b/app/Services/UserService.php
@@ -11,6 +11,8 @@ use RuntimeException;
 
 class UserService extends CommonService
 {
+    private $_form = null;
+    private $_helper = null;
     public function __construct(UserModel $model)
     {
         parent::__construct($model);
@@ -18,9 +20,9 @@ class UserService extends CommonService
     }
     public function getFormService(): UserForm
     {
-        if ($this->formServiceInstance === null) {
-            $this->formServiceInstance = new UserForm();
-            $this->formServiceInstance->setAttributes([
+        if ($this->_form === null) {
+            $this->_form = new UserForm();
+            $this->_form->setAttributes([
                 'pk_field'         => $this->model->getPKField(),
                 'title_field'      => $this->model->getTitleField(),
                 'table'            => $this->model->getTable(),
@@ -28,13 +30,13 @@ class UserService extends CommonService
                 'class_path' => $this->getClassPaths(false)
             ]);
         }
-        return $this->formServiceInstance;
+        return $this->_form;
     }
     public function getHelper(): UserHelper
     {
-        if ($this->helperInstance === null) {
-            $this->helperInstance = new UserHelper();
-            $this->helperInstance->setAttributes([
+        if ($this->_helper === null) {
+            $this->_helper = new UserHelper();
+            $this->_helper->setAttributes([
                 'pk_field'         => $this->model->getPKField(),
                 'title_field'      => $this->model->getTitleField(),
                 'table'            => $this->model->getTable(),
@@ -42,7 +44,7 @@ class UserService extends CommonService
                 'class_path' => $this->getClassPaths(false)
             ]);
         }
-        return $this->helperInstance;
+        return $this->_helper;
     }
     //기본 기능부분
     protected function create_process(array $formDatas): UserEntity