diff --git a/lib/agents/__init__.py b/lib/agents/__init__.py
index 56568e5..c8eac1d 100644
--- a/lib/agents/__init__.py
+++ b/lib/agents/__init__.py
@@ -1,5 +1,5 @@
 from lib.agents.get_sso_list import get_sso_list
-# 버전 업데이트 대비
+# 업데이트될 버전 import 아직 개발 중
 from lib.agents.get_sso_list_v2 import get_sso_list as get_sso_list_v2
 from lib.agents.login_google import login_google
 
diff --git a/lib/agents/login_google/prompt.py b/lib/agents/login_google/prompt.py
index a57e1f4..98d34ec 100644
--- a/lib/agents/login_google/prompt.py
+++ b/lib/agents/login_google/prompt.py
@@ -32,12 +32,12 @@ Instructions:
     - Immediately stop and return the appropriate status.
 7. If login proceeds without interruptions, wait for redirection back to the original site and record the final URL.
 
-Credentials to use (only if needed):
+Credentials to use for Google login:
 - Email: {GOOGLE_ID}
 - Password: {GOOGLE_PASSWORD}
 
 Constraints:
-- Do NOT use search engines or guess URLs — only navigate links discoverable from https://example.com
+- Do NOT use search engines or guess URLs.
 - Do NOT use autofill, saved sessions, or cookies.
 - Do NOT proceed with login if:
     - The login opens in a new window (only tabs are allowed)
@@ -46,7 +46,7 @@ Constraints:
 - If the user is already logged in to Google and redirected back automatically, stop there and report success.
 - If the login page cannot be found, return "login_page_not_found".
 - If the Google login button is not found, return "sso_not_found".
-- If a page such as a sign-up page appears after entering the ID and password, consider it a successful login and terminate immediately.
+- If a page such as a sign-up page appears, consider it a successful login and terminate immediately.
 
 Final Output:
 Return the result in the following format only:
diff --git a/lib/utils/__init__.py b/lib/utils/__init__.py
index b42b9eb..260fcda 100644
--- a/lib/utils/__init__.py
+++ b/lib/utils/__init__.py
@@ -3,6 +3,8 @@ from lib.utils.is_html import is_html_url
 from lib.utils.logger import logger
 from lib.utils.notify_backend import notify_backend
 from lib.utils.progress_checker import save_progress, load_progress
+# v2 import => 아직 개발 중
+from lib.utils.progress_checker_v2 import ProgressChecker
 from lib.utils.read_txt import read_lines_between
 from lib.utils.save_oauth_providers import save_oauth_providers
 
diff --git a/lib/utils/progress_checker.py b/lib/utils/progress_checker.py
index 11311c4..5cd5c4c 100644
--- a/lib/utils/progress_checker.py
+++ b/lib/utils/progress_checker.py
@@ -4,27 +4,6 @@ from pathlib import Path
 
 progress_file = Path("data/scan_progress.json")
 
-class ProgressChecker:
-    def __init__(self, filepath):
-        self.filepath = filepath
-        self.progress = self.load_progress()
-
-    def save(self):
-        """현재 진행 상황을 파일에 저장"""
-        with open(self.filepath, 'w', encoding='utf-8') as f:
-            json.dump(self.progress, f, ensure_ascii=False, indent=2)
-
-    def load(self):
-        """이전 진행 상황을 파일에서 불러오기"""
-        if os.path.exists(self.filepath):
-            try:
-                with open(self.filepath, 'r', encoding='utf-8') as f:
-                    return json.load(f)
-            except:
-                return None
-        return None
-
-
 def save_progress(current_progress):
     """현재 진행 상황을 파일에 저장"""
     with open(progress_file, 'w', encoding='utf-8') as f:
diff --git a/lib/utils/progress_checker_v2.py b/lib/utils/progress_checker_v2.py
new file mode 100644
index 0000000..9906321
--- /dev/null
+++ b/lib/utils/progress_checker_v2.py
@@ -0,0 +1,25 @@
+import json
+import os
+from pathlib import Path
+
+progress_file = Path("data/scan_progress.json")
+
+class ProgressChecker:
+    def __init__(self, filepath):
+        self.filepath = filepath
+        self.progress = self.load_progress()
+
+    def save(self):
+        """현재 진행 상황을 파일에 저장"""
+        with open(self.filepath, 'w', encoding='utf-8') as f:
+            json.dump(self.progress, f, ensure_ascii=False, indent=2)
+
+    def load(self):
+        """이전 진행 상황을 파일에서 불러오기"""
+        if os.path.exists(self.filepath):
+            try:
+                with open(self.filepath, 'r', encoding='utf-8') as f:
+                    return json.load(f)
+            except:
+                return None
+        return None
diff --git a/main.py b/main.py
index 5ac8425..d2ef63a 100644
--- a/main.py
+++ b/main.py
@@ -106,7 +106,7 @@ async def loop(
         current_progress["current_index"] = actual_index
         
         print(f"\n🔄 Processing {actual_index + 1}/{current_progress['total']}: {url}")
-        print(f"📍 domains.txt의 {start_line + actual_index}번째 줄")
+        print(f"📍 domains.txt의 {actual_index}번째 줄")
 
         await scan_one_url(url, skip_html_check=skip_html_check)