diff --git a/app/Helpers/log_helper.php b/app/Helpers/log_helper.php
index b054581..c5cac8c 100644
--- a/app/Helpers/log_helper.php
+++ b/app/Helpers/log_helper.php
@@ -6,7 +6,7 @@ if (! function_exists('write_custom_log')) {
      */
     function write_custom_log($message, $level = 'INFO', $type = 'service')
     {
-        $logDir = WRITEPATH . 'logs/worker';
+        $logDir = WRITEPATH . 'logs';
         if (!is_dir($logDir)) {
             @mkdir($logDir, 0777, true);
         }
@@ -31,8 +31,8 @@ if (! function_exists('write_custom_log')) {
         }
         // ----------------------------
 
-        $suffix = ($type === 'failed') ? '_failed' : '';
-        $logFile = $logDir . '/' . date('Y-m-d') . $suffix . '.log';
+        $suffix = ($type === 'failed') ? '-failed' : '';
+        $logFile = $logDir . '/log-' . date('Y-m-d') . $suffix . '.log';
         
         $timestamp = date('Y-m-d H:i:s');
         $singleLine = str_replace(["\r", "\n", "\t"], " ", $message);
diff --git a/app/Services/Handlers/TypeV2Handler.php b/app/Services/Handlers/TypeV2Handler.php
index 8e2aca7..9ec0ee8 100644
--- a/app/Services/Handlers/TypeV2Handler.php
+++ b/app/Services/Handlers/TypeV2Handler.php
@@ -46,9 +46,11 @@ class TypeV2Handler
     public function handle(string $articleNumber, array $rawData, array $payload): int
     {
         CLI::write(CLI::color('🟢 Type V2 처리 시작 :: ' . $articleNumber, 'green'));
+        write_custom_log("TypeV2Handler 진입 | Atcl: $articleNumber | Payload: " . json_encode($payload), 'INFO', 'service');
         
         try {
             $requestType = $payload['requestType'] ?? 'REG';
+            CLI::write(CLI::color("🔵 RequestType: $requestType", 'cyan'));
             
             switch ($requestType) {
                 case 'REG':
@@ -62,7 +64,9 @@ class TypeV2Handler
             }
             
         } catch (Exception $e) {
-            write_custom_log("Type V2 처리 실패: " . $e->getMessage(), 'ERROR', 'service');
+            $errorDetail = "Type V2 처리 실패 | Atcl: $articleNumber | Error: " . $e->getMessage() . " | File: " . $e->getFile() . ":" . $e->getLine();
+            write_custom_log($errorDetail, 'ERROR', 'service');
+            CLI::write(CLI::color("❌ " . $errorDetail, 'red'));
             throw $e;
         }
     }
@@ -136,7 +140,9 @@ class TypeV2Handler
         // 기존 검증 요청 확인
         $existing = $this->vrfcReqModel->where('atcl_no', $articleNumber)->first();
         if (!$existing) {
-            throw new Exception("수정할 기존 데이터가 없습니다. Atcl: $articleNumber");
+            CLI::write(CLI::color("⚠️  수정할 기존 데이터가 없음 → 신규 등록으로 전환 (Atcl: $articleNumber)", 'yellow'));
+            write_custom_log("MOD → REG 자동 전환 | Atcl: $articleNumber | 사유: 기존 데이터 없음", 'WARNING', 'service');
+            return $this->handleRegister($articleNumber, $rawData, $payload);
         }   
         $vrSq = $existing['vr_sq'];
         $stat_cd = $existing['stat_cd'];
@@ -199,7 +205,9 @@ class TypeV2Handler
         // 기존 검증 요청 확인
         $existing = $this->vrfcReqModel->where('atcl_no', $articleNumber)->first();
         if (!$existing) {
-            throw new Exception("취소할 기존 데이터가 없습니다. Atcl: $articleNumber");
+            CLI::write(CLI::color("⚠️  취소할 데이터가 없음 → 무시 (Atcl: $articleNumber)", 'yellow'));
+            write_custom_log("CNC 무시 | Atcl: $articleNumber | 사유: 기존 데이터 없음", 'WARNING', 'service');
+            return 0; // 취소할 데이터가 없으므로 0 반환
         }
         
         $vrSq = $existing['vr_sq'];
diff --git a/app/Services/NaverService.php b/app/Services/NaverService.php
index 24ae3ce..773480a 100644
--- a/app/Services/NaverService.php
+++ b/app/Services/NaverService.php
@@ -59,19 +59,33 @@ class NaverService
             $vType = $rawData['verificationTypeCode'] ?? '';
 
             // 2. 원본 데이터 Staging 저장
-            $this->rawStagingModel->insert([
+            $insertResult = $this->rawStagingModel->insert([
                 'atcl_no'           => $articleNumber,
                 'verification_type' => $vType,
                 'request_type'      => $requestType,
                 'raw_json'          => $rawData
             ]);
+            
+            if (!$insertResult) {
+                $dbError = $this->db->error();
+                write_custom_log("naver_raw_staging Insert 실패 | Atcl: $articleNumber | Error: " . json_encode($dbError), 'ERROR', 'service');
+                throw new Exception("naver_raw_staging 저장 실패: " . json_encode($dbError));
+            }
+            
             CLI::write(CLI::color('🟢 임시테이블 저장 완료', 'green'));
 
             // 3. 타입별 분기 처리
+            CLI::write(CLI::color("🔵 검증타입 확인: vType = $vType", 'cyan'));
+            write_custom_log("타입별 분기 | Atcl: $articleNumber | vType: $vType | requestType: $requestType", 'INFO', 'service');
+            
             if ($vType === 'S' || $vType === 'S_VR') {
+                CLI::write(CLI::color('🟢 Type S Handler 호출', 'green'));
                 return $this->typeSHandler->handle($articleNumber, $rawData, $payload);
             } else {
-                return $this->typeV2Handler->handle($articleNumber, $rawData, $payload);
+                CLI::write(CLI::color('🟢 Type V2 Handler 호출', 'green'));
+                $result = $this->typeV2Handler->handle($articleNumber, $rawData, $payload);
+                write_custom_log("TypeV2Handler 완료 | Atcl: $articleNumber | Result: $result", 'INFO', 'service');
+                return $result;
             }
             
         } catch (Exception $e) {