diff --git a/app/Controllers/Admin/Home.php b/app/Controllers/Admin/Home.php
index 6ea3a3e..b899d0b 100644
--- a/app/Controllers/Admin/Home.php
+++ b/app/Controllers/Admin/Home.php
@@ -19,7 +19,7 @@ class Home extends AdminController
     }
     protected function getServiceClass(): Service
     {
-        if ($this->service === null) {
+        if (!$this->service) {
             $this->service = new Service($this->request);
         }
         return $this->service;
diff --git a/app/Controllers/Admin/MyLogController.php b/app/Controllers/Admin/MyLogController.php
index 3700c7d..938250a 100644
--- a/app/Controllers/Admin/MyLogController.php
+++ b/app/Controllers/Admin/MyLogController.php
@@ -22,14 +22,14 @@ class MyLogController extends AdminController
     }
     protected function getServiceClass(): Service
     {
-        if ($this->service === null) {
+        if (!$this->service) {
             $this->service = new Service();
         }
         return $this->service;
     }
     public function getUserService(): UserService
     {
-        if ($this->_userService === null) {
+        if (!$this->_userService) {
             $this->_userService = new UserService($this->request);
         }
         return $this->_userService;
diff --git a/app/Controllers/Admin/UserController.php b/app/Controllers/Admin/UserController.php
index 571e77b..6c53126 100644
--- a/app/Controllers/Admin/UserController.php
+++ b/app/Controllers/Admin/UserController.php
@@ -22,7 +22,7 @@ class UserController extends AdminController
     }
     protected function getServiceClass(): Service
     {
-        if ($this->service === null) {
+        if (!$this->service) {
             $this->service = new Service($this->request);
         }
         return $this->service;
@@ -40,7 +40,7 @@ class UserController extends AdminController
     {
         return ['status'];
     }
-    protected function setValidation(string $action, string $field, string $rule, Validation $validation): Validation
+    protected function setValidation(Validation $validation, string $action, string $field, ?string $rule = null): Validation
     {
         switch ($field) {
             case 'role':
@@ -48,7 +48,7 @@ class UserController extends AdminController
                 $validation->setRule("{$field}.*", $field, $rule);
                 break;
             default:
-                $validation = parent::setValidation($action, $field, $rule, $validation);
+                $validation = parent::setValidation($validation, $action, $field, $rule);
                 break;
         }
         return $validation;
diff --git a/app/Controllers/CommonController.php b/app/Controllers/CommonController.php
index e5ae436..12b3112 100644
--- a/app/Controllers/CommonController.php
+++ b/app/Controllers/CommonController.php
@@ -43,7 +43,7 @@ abstract class CommonController extends BaseController
     }
     final public function getService(): mixed
     {
-        if ($this->_service === null) {
+        if (!$this->_service) {
             $serviceClass = $this->getServiceClass();
             $this->_service = new $serviceClass($this->request);
             // $this->_service->setDebug(true);
@@ -111,11 +111,11 @@ abstract class CommonController extends BaseController
         // dd($options);
         return $options;
     }
-    protected function setValidation(string $action, string $field, string $rule, Validation $validation): Validation
+    protected function setValidation(Validation $validation, string $action, string $field, ?string $rule = null): Validation
     {
         switch ($field) {
             default:
-                $validation->setRule($field, $field, $this->getService()->getModel()->getFieldRule($action, $field));
+                $validation->setRule($field, $field, $rule ?? $this->getService()->getModel()->getFieldRule($action, $field));
                 break;
         }
         return $validation;
@@ -139,8 +139,8 @@ abstract class CommonController extends BaseController
         $validation = service('validation');
         // var_dump($this->field_rules);
         // exit;
-        foreach ($this->field_rules as $field => $rule) {
-            $validation = $this->setValidation($this->action, $field, $rule, $validation);
+        foreach ($fields as $field) {
+            $validation = $this->setValidation($validation, $this->action, $field, $this->field_rules[$field] ?? null);
         }
         if (!$validation->withRequest($this->request)->run()) {
             throw new \Exception("{$this->getService()->getClassName()} 작업 데이터 검증 오류발생\n" . implode(
@@ -193,7 +193,7 @@ abstract class CommonController extends BaseController
     {
         $this->getService()->getModel()->where($this->getService()->getModel()::PK, $uid);
         $entity = $this->getService()->getEntity();
-        if ($entity === null) {
+        if (!$entity) {
             throw new \Exception("해당 정보를 찾을수 없습니다.");
         }
         return $entity;
@@ -329,10 +329,10 @@ abstract class CommonController extends BaseController
             $this->init(__FUNCTION__);
             $this->getService()->getModel()->where($this->getService()->getModel()::PK, $uid);
             $entity = $this->getService()->getEntity();
-            if ($entity === null) {
+            if (!$entity) {
                 throw new \Exception("{$uid} 정보를 찾을수 없습니다.");
             }
-            $this->entity = $this->delete_process($uid);
+            $this->entity = $this->delete_process($entity);
             $this->getService()->getModel()->transCommit();
             return $this->getResultPageByActon($this->action);
         } catch (\Exception $e) {
@@ -356,10 +356,10 @@ abstract class CommonController extends BaseController
         foreach ($entities as $entity) {
             try {
                 if ($this->getService()->delete($entity)) {
-                    MyLogService::debug("[$entity->getTitle()]" . MESSAGES["DELETED"]);
+                    MyLogService::debug("[{$entity->getTitle()}]" . MESSAGES["DELETED"]);
                 }
             } catch (PDOException $e) {
-                MyLogService::debug("[$entity->getTitle()]" . MESSAGES["FAILED"] . ":" . $e->getMessage());
+                MyLogService::debug("[{$entity->getTitle()}]" . MESSAGES["FAILED"] . ":" . $e->getMessage());
             }
         }
     }
@@ -550,7 +550,7 @@ abstract class CommonController extends BaseController
                     }
                     $this->getService()->getModel()->where($this->getService()->getModel()::PK, $uid);
                     $this->entity = $this->getService()->getEntity();
-                    if ($this->entity === null) {
+                    if (!$this->entity) {
                         throw new \Exception("{$uid} 정보를 찾을수 없습니다.");
                     }
                     list($file_name, $uploaded_filename) = $this->entity->getDownlaodFile();
diff --git a/app/Controllers/UserController.php b/app/Controllers/UserController.php
index 4ea21f5..a14d9a4 100644
--- a/app/Controllers/UserController.php
+++ b/app/Controllers/UserController.php
@@ -26,7 +26,7 @@ class UserController extends CommonController
     }
     protected function getServiceClass(): Service
     {
-        if ($this->service === null) {
+        if (!$this->service) {
             $this->service = new Service($this->request);
         }
         return $this->service;
diff --git a/app/Entities/CommonEntity.php b/app/Entities/CommonEntity.php
index 1e79924..32e53de 100644
--- a/app/Entities/CommonEntity.php
+++ b/app/Entities/CommonEntity.php
@@ -16,8 +16,6 @@ abstract class CommonEntity extends Entity
     {
         parent::__construct($data);
     }
-
-    abstract public function __toString();
     final public function getPK(): string
     {
         $field = constant("static::PK");
@@ -30,7 +28,7 @@ abstract class CommonEntity extends Entity
     }
     final public function getUpdatedAt(): string
     {
-        return $this->created_at;
+        return $this->updated_at;
     }
     final public function getCreatedAt(): string
     {
diff --git a/app/Entities/MyLogEntity.php b/app/Entities/MyLogEntity.php
index 57dc7ab..58d859b 100644
--- a/app/Entities/MyLogEntity.php
+++ b/app/Entities/MyLogEntity.php
@@ -2,17 +2,13 @@
 
 namespace App\Entities;
 
-use App\Entities\CommonEntity as Entity;
+use App\Entities\CommonEntity;
 use App\Models\MyLogModel as Model;
 
-class MyLogEntity extends Entity
+class MyLogEntity extends CommonEntity
 {
     const PK = Model::PK;
     const TITLE = Model::TITLE;
-    public function __toString(): string
-    {
-        return "{$this->getPK()}:{$this->getTitle()}}";
-    }
     //공통부분
     //Common Function
 }
diff --git a/app/Entities/UserEntity.php b/app/Entities/UserEntity.php
index dbf8d2d..0933325 100644
--- a/app/Entities/UserEntity.php
+++ b/app/Entities/UserEntity.php
@@ -2,19 +2,13 @@
 
 namespace App\Entities;
 
-use App\Entities\CommonEntity as Entity;
+use App\Entities\CommonEntity;
 use App\Models\UserModel as Model;
 
 class UserEntity extends CommonEntity
 {
     const PK = Model::PK;
     const TITLE = Model::TITLE;
-    public function __toString(): string
-    {
-        return "{$this->getPK()}:{$this->getID()}:{$this->getTitle()},{$this->getRole()}}";
-    }
-    //공통부분
-
     public function getID(): string
     {
         return $this->attributes['id'];
diff --git a/app/Entities/UserSNSEntity.php b/app/Entities/UserSNSEntity.php
index 38a81dc..48b84e9 100644
--- a/app/Entities/UserSNSEntity.php
+++ b/app/Entities/UserSNSEntity.php
@@ -9,10 +9,6 @@ class UserSNSEntity extends CommonEntity
 {
     const PK = Model::PK;
     const TITLE = Model::TITLE;
-    public function __toString(): string
-    {
-        return "{$this->getPK()}|{$this->getID()}|{$this->getTitle()}";
-    }
     //Common Function
     public function getParent(): int|null
     {
diff --git a/app/Libraries/MySocket/GoogleSocket/API.php b/app/Libraries/MySocket/GoogleSocket/API.php
index 414562a..29c5b7e 100644
--- a/app/Libraries/MySocket/GoogleSocket/API.php
+++ b/app/Libraries/MySocket/GoogleSocket/API.php
@@ -16,7 +16,7 @@ class API extends GoogleSocket
 
 	public function getClient(): Client
 	{
-		if ($this->_client === null) {
+		if (!$this->_client) {
 			$this->_client = new Client();
 			$this->_client->setClientId(env('socket.google.client.id'));
 			$this->_client->setClientSecret(env('socket.google.client.key'));
diff --git a/app/Libraries/MySocket/GoogleSocket/CURL.php b/app/Libraries/MySocket/GoogleSocket/CURL.php
index 3b966e8..7e1eb90 100644
--- a/app/Libraries/MySocket/GoogleSocket/CURL.php
+++ b/app/Libraries/MySocket/GoogleSocket/CURL.php
@@ -14,7 +14,7 @@ class CURL extends GoogleSocket
 
 	public function getClient(): Client
 	{
-		if ($this->_client === null) {
+		if (!$this->_client) {
 			$this->_client = new Client();
 		}
 		return $this->_client;
diff --git a/app/Libraries/MySocket/GoogleSocket/GoogleSocket.php b/app/Libraries/MySocket/GoogleSocket/GoogleSocket.php
index 9201a3e..cd3a285 100644
--- a/app/Libraries/MySocket/GoogleSocket/GoogleSocket.php
+++ b/app/Libraries/MySocket/GoogleSocket/GoogleSocket.php
@@ -39,7 +39,7 @@ abstract class GoogleSocket extends MySocket
 	}
 	public function getService(): Service
 	{
-		if ($this->_service === null) {
+		if (!$this->_service) {
 			$this->_service = new Service();
 		}
 		return $this->_service;
@@ -49,7 +49,7 @@ abstract class GoogleSocket extends MySocket
 		$this->getService()->getModel()->where(Model::SITE, $this->getSite());
 		$this->getService()->getModel()->where('id', $id);
 		$entity = $this->getEntity();
-		if ($entity === null) {
+		if (!$entity) {
 			//Transaction Start
 			$this->getService()->getModel()->transStart();
 			try {
diff --git a/app/Libraries/MySocket/MySocket.php b/app/Libraries/MySocket/MySocket.php
index da66c0f..8714f52 100644
--- a/app/Libraries/MySocket/MySocket.php
+++ b/app/Libraries/MySocket/MySocket.php
@@ -14,7 +14,7 @@ abstract class MySocket
     abstract public function getClient(): mixed;
     final protected function getCookieJar(): CookieJar
     {
-        if ($this->_cookieJar === null) {
+        if (!$this->_cookieJar) {
             $this->_cookieJar = new CookieJar();
         }
         return $this->_cookieJar;
diff --git a/app/Libraries/MySocket/WebSocket.php b/app/Libraries/MySocket/WebSocket.php
index fbe94ad..79fb22e 100644
--- a/app/Libraries/MySocket/WebSocket.php
+++ b/app/Libraries/MySocket/WebSocket.php
@@ -16,7 +16,7 @@ class WebSocket extends MySocket
     }
     public function getClient(): Client
     {
-        if ($this->_client === null) {
+        if (!$this->_client) {
             $this->_client = new Client();
         }
         return $this->_client;
diff --git a/app/Models/CommonModel.php b/app/Models/CommonModel.php
index c0859b9..fe3c933 100644
--- a/app/Models/CommonModel.php
+++ b/app/Models/CommonModel.php
@@ -142,7 +142,7 @@ abstract class CommonModel extends Model
             if (!$entity->hasChanged()) {
                 throw new \Exception(__FUNCTION__ . " 변경된 내용이 없습니다.");
             }
-            // log_message("debug", var_export($entity, true));
+            log_message("debug", var_export($entity, true));
             // 최종 저장 시 오류 발생하면
             if (!$this->save($entity)) {
                 throw new \Exception("저장오류:" . var_export($this->errors(), true));
diff --git a/app/Services/Auth/AuthService.php b/app/Services/Auth/AuthService.php
index 73b37d6..0534a09 100644
--- a/app/Services/Auth/AuthService.php
+++ b/app/Services/Auth/AuthService.php
@@ -11,12 +11,10 @@ use CodeIgniter\Session\Session;
 abstract class AuthService extends CommonService
 {
 	private ?Session $_session = null;
-	private ?Model $_model = null;
-
 	public function __construct() {}
 	final public function getSession(): Session
 	{
-		if ($this->_session === null) {
+		if (!$this->_session) {
 			$this->_session = \Config\Services::session();
 		}
 		return $this->_session;
@@ -41,7 +39,6 @@ abstract class AuthService extends CommonService
 		return $this->getAuthInfo('id');
 	}
 
-
 	final public function getNameByAuthInfo(): string
 	{
 		return $this->getAuthInfo('name');
@@ -52,7 +49,6 @@ abstract class AuthService extends CommonService
 		return $this->getAuthInfo('role');
 	}
 
-
 	final public function isLoggedIn(): bool
 	{
 		return $this->getSession()->has(SESSION_NAMES['ISLOGIN']);
diff --git a/app/Services/Auth/GoogleService.php b/app/Services/Auth/GoogleService.php
index 0ebd757..02c3620 100644
--- a/app/Services/Auth/GoogleService.php
+++ b/app/Services/Auth/GoogleService.php
@@ -36,7 +36,7 @@ class GoogleService extends AuthService
 
 	public function getMySocket(string $access_code): mixed
 	{
-		if ($this->_mySocket === null) {
+		if (!$this->_mySocket) {
 			throw new \Exception("Socket 방식이 지정되지 않았습니다.");
 		}
 		$this->_mySocket->setToken($this->_access_code);
@@ -51,7 +51,7 @@ class GoogleService extends AuthService
 			// local db 사용와의 연결 확인
 			$this->getModel()->where($this->getModel()::PK, $userSNS_entity->getParent());
 			$entity = $this->getEntity();
-			if ($entity === null) {
+			if (!$entity) {
 				throw new PageNotFoundException("회원[{$userSNS_entity->getTitle()}]님은 아직 로컬사용자 연결이 이루어지지 않았습니다.");
 			}
 			return $entity;
diff --git a/app/Services/CommonService.php b/app/Services/CommonService.php
index 3441e13..ff9b076 100644
--- a/app/Services/CommonService.php
+++ b/app/Services/CommonService.php
@@ -33,7 +33,7 @@ abstract class CommonService
     }
     final public function getModel(): mixed
     {
-        if ($this->_model === null) {
+        if (!$this->_model) {
             $modelClass = $this->getModelClass();
             $this->_model = new $modelClass();
             // $this->_model->setDebug(true);
diff --git a/app/Services/MyLogService.php b/app/Services/MyLogService.php
index a99b6ce..fc3e0be 100644
--- a/app/Services/MyLogService.php
+++ b/app/Services/MyLogService.php
@@ -13,7 +13,7 @@ class MyLogService
     public function __construct() {}
     static public function getModel(): Model
     {
-        if (self::$_model === null) {
+        if (!self::$_model) {
             self::$_model = new Model();
         }
         return self::$_model;
diff --git a/app/Services/UserService.php b/app/Services/UserService.php
index 7b0c154..f9ff582 100644
--- a/app/Services/UserService.php
+++ b/app/Services/UserService.php
@@ -61,6 +61,6 @@ class UserService extends CommonService
     }
     public function delete(Entity $entity): bool
     {
-        return $this->getModel()->delete($entity->getPK());
+        return $this->getModel()->delete($entity);
     }
 }