diff --git a/app/Controllers/Admin/AdminController.php b/app/Controllers/Admin/AdminController.php
index aa42151..426c418 100644
--- a/app/Controllers/Admin/AdminController.php
+++ b/app/Controllers/Admin/AdminController.php
@@ -13,6 +13,6 @@ abstract class AdminController extends CommonController
     public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
     {
         parent::initController($request, $response, $logger);
-        $this->_paths[] = self::PATH;
+        $this->addActionPaths(self::PATH);
     }
 }
diff --git a/app/Controllers/Admin/UserController.php b/app/Controllers/Admin/UserController.php
index b04d9e4..71ee2e1 100644
--- a/app/Controllers/Admin/UserController.php
+++ b/app/Controllers/Admin/UserController.php
@@ -21,10 +21,11 @@ class UserController extends AdminController
     public const PATH = 'user';
     public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
     {
+        parent::initController($request, $response, $logger);
         if ($this->service === null) {
             $this->service = service('localauth');
         }
-        $this->_paths[] = self::PATH;
+        $this->addActionPaths(self::PATH);
     }
     protected function getFormRule(string $action, string $field, string $rule): array
     {
diff --git a/app/Controllers/Auth/AuthController.php b/app/Controllers/Auth/AuthController.php
index 9486a55..76f4197 100644
--- a/app/Controllers/Auth/AuthController.php
+++ b/app/Controllers/Auth/AuthController.php
@@ -16,7 +16,7 @@ abstract class AuthController extends CommonController
     public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
     {
         parent::initController($request, $response, $logger);
-        $this->_paths[] = self::PATH;
+        $this->addActionPaths(self::PATH);
     }
     abstract protected function login_process(): UserEntity;
     abstract protected function logout_process(): void;
@@ -34,8 +34,8 @@ abstract class AuthController extends CommonController
             $viewDatas = $this->login_form_process($viewDatas);
             return $this->action_post_process($action, $viewDatas);
         } catch (\Exception $e) {
-            $viewDatas['error'] = $e->getMessage();
-            //리디렉션 대신 폼 뷰를 다시 렌더링하도록 form_post_process 호출
+            $viewDatas[self::ACTION_RESULT] = 'error';
+            $viewDatas[self::ACTION_MESSAGE] = $e->getMessage();
             return $this->action_post_process($action, $viewDatas);
         }
     }
@@ -44,6 +44,8 @@ abstract class AuthController extends CommonController
     public function login(): RedirectResponse
     {
         try {
+            $action = __FUNCTION__;
+            $viewDatas = $this->action_init_process($action);
             $this->login_process();
             return redirect()->to($this->authService->popPreviousUrl())->with('success', '로그인이 완료되었습니다.');
         } catch (\Exception $e) {
diff --git a/app/Controllers/Auth/GoogleController.php b/app/Controllers/Auth/GoogleController.php
index cc5cd68..ade5554 100644
--- a/app/Controllers/Auth/GoogleController.php
+++ b/app/Controllers/Auth/GoogleController.php
@@ -20,8 +20,9 @@ class GoogleController extends AuthController
         if ($this->service === null) {
             $this->service = service('googleauth');
         }
+        $this->addActionPaths(self::PATH);
     }
-    public function login_form_process(array $viewDatas): array
+    public function login_form_process(array $viewDatas = []): array
     {
         //구글 로그인 BUTTON용
         $viewDatas['SNSButton'] = anchor($this->service->socket->createAuthUrl(), ICONS['GOOGLE'] . 'Google 로그인', ["class" => "btn-google"]);
diff --git a/app/Controllers/Auth/LocalController.php b/app/Controllers/Auth/LocalController.php
index 8994957..4721503 100644
--- a/app/Controllers/Auth/LocalController.php
+++ b/app/Controllers/Auth/LocalController.php
@@ -21,7 +21,7 @@ class LocalController extends AuthController
         if ($this->service === null) {
             $this->service = service('localauth');
         }
-        $this->_paths[] = self::PATH;
+        $this->addActionPaths(self::PATH);
     }
     //로그인처리
     protected function login_process(): UserEntity
diff --git a/app/Controllers/CommonController.php b/app/Controllers/CommonController.php
index 7af7e56..d98def7 100644
--- a/app/Controllers/CommonController.php
+++ b/app/Controllers/CommonController.php
@@ -19,11 +19,14 @@ use Psr\Log\LoggerInterface;
 abstract class CommonController extends BaseController
 {
     use LogTrait;
+    protected const ACTION_PATH = "action_path";
+    protected const ACTION_VIEW_FILE = "action_view_file";
+    protected const ACTION_RESULT = "action_result";
+    protected const ACTION_MESSAGE = "action_message";
+    private array $_action_paths = [];
     protected $authService = null;
     protected $service = null;
     protected $myAuth = null;
-    protected $action = null;
-    protected array $_paths = [];
     public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
     {
         parent::initController($request, $response, $logger);
@@ -31,9 +34,13 @@ abstract class CommonController extends BaseController
         $this->authService = service('myauth');
         $this->myAuth = AuthDTO::fromByAuthService($this->authService);
     }
-    final public function getPaths(): array
+    final public function addActionPaths(string $path)
     {
-        return $this->_paths;
+        $this->_action_paths[] = $path;
+    }
+    final public function getActionPaths(): array
+    {
+        return $this->_action_paths;
     }
     final protected function doValidation(string $action): array
     {
@@ -63,24 +70,22 @@ abstract class CommonController extends BaseController
     protected function action_init_process(string $action, array $viewDatas = []): array
     {
         $viewDatas['action'] = $action;
-        $viewDatas['view_paths'] = $this->getPaths();
-        $viewDatas['view_file'] = $this->request->getVar('ActionTemplate') ?? $viewDatas['action'];
+        $viewDatas[self::ACTION_PATH] = $this->getActionPaths();
+        $viewDatas[self::ACTION_VIEW_FILE] = $this->request->getVar('ActionTemplate') ?? $viewDatas['action'];
         $viewDatas['formFields'] = $this->service->getFormFields();
         $viewDatas['formFilters'] = $this->service->getFormFilters();
         $viewDatas['formRules']   = $this->service->getFormRules($viewDatas['action']);
         $viewDatas['formOptions'] = $this->service->getFormOptions($viewDatas['action']);
-        if (array_key_exists('formDatas', $viewDatas)) {
-            $viewDatas['formDatas'] = [];
-        }
         return $viewDatas;
     }
     protected function action_post_process(string $action, array $viewDatas): string|RedirectResponse
     {
-        $view_paths = array_key_exists('view_paths', $viewDatas) ? $viewDatas['view_paths'] : $this->getPaths();
+        $view_paths = array_key_exists(self::ACTION_PATH, $viewDatas) ? $viewDatas[self::ACTION_PATH] : $this->getActionPaths();
         $lastest_path = array_pop($view_paths); //paths는 마지막을 뺀 앞단까지만 남음
         switch ($action) {
             case 'create_form':
             case 'modify_form':
+            case 'login_form':
                 // ✅ 중간 안내 화면으로
                 // return view('posts/success_redirect', [
                 //     'message' => '게시글이 성공적으로 등록되었습니다.',
@@ -90,7 +95,7 @@ abstract class CommonController extends BaseController
                 $full_path = implode(DIRECTORY_SEPARATOR, [
                     ...$view_paths,
                     $this->request->getVar('ActionTemplate') ?? $lastest_path,
-                    array_key_exists('view_file', $viewDatas) ? $viewDatas['view_file'] : $action
+                    array_key_exists(self::ACTION_VIEW_FILE, $viewDatas) ? $viewDatas[self::ACTION_VIEW_FILE] : $action
                 ]);
                 $view_datas = [
                     'control' => $viewDatas,
@@ -102,10 +107,9 @@ abstract class CommonController extends BaseController
             default:
                 // ✅ Flashdata로 성공 메시지 저장
                 // 일반 CRUD (create/update/delete) → Flashdata + redirect()
-                session()->setFlashdata('success', array_key_exists('message', $viewDatas) ?: static::class . "/{$action}이 완료되었습니다.");
-                $result = redirect()->route(
-                    implode(DIRECTORY_SEPARATOR, $view_paths)
-                );
+                $message = array_key_exists(self::ACTION_MESSAGE, $viewDatas) ?: static::class . "/{$action}이 완료되었습니다.";
+                session()->setFlashdata($viewDatas[self::ACTION_RESULT], $message);
+                $result = redirect()->route(implode(DIRECTORY_SEPARATOR, $view_paths))->with('message', $message);
                 break;
         }
         return $result;
@@ -119,12 +123,12 @@ abstract class CommonController extends BaseController
         try {
             //초기화
             $action = __FUNCTION__;
-            $viewDatas = ['formDatas' => []];
-            $viewDatas = $this->action_init_process($action, $viewDatas);
+            $viewDatas = $this->action_init_process($action);
             $viewDatas = $this->create_form_process($viewDatas);
             return $this->action_post_process($action, $viewDatas);
         } catch (\Exception $e) {
-            $viewDatas['error'] = $e->getMessage();
+            $viewDatas[self::ACTION_RESULT] = 'error';
+            $viewDatas[self::ACTION_MESSAGE] = $e->getMessage();
             //리디렉션 대신 폼 뷰를 다시 렌더링하도록 form_post_process 호출
             return $this->action_post_process($action, $viewDatas);
         }
@@ -139,8 +143,7 @@ abstract class CommonController extends BaseController
         try {
             //초기화
             $action = __FUNCTION__;
-            $viewDatas = ['formDatas' => $this->request->getPost()];
-            $viewDatas = $this->action_init_process($action, $viewDatas);
+            $viewDatas = $this->action_init_process($action);
             return $this->create_process($action, $viewDatas);
         } catch (\Exception $e) {
             return redirect()->back()->withInput()->with('error', $e->getMessage());