diff --git a/hexactf/factory.py b/hexactf/factory.py
index 7e8b7c8..28c4ba4 100644
--- a/hexactf/factory.py
+++ b/hexactf/factory.py
@@ -11,6 +11,7 @@
 from hexactf.exceptions.base_exceptions import CustomBaseException
 from hexactf.extensions.kafka.handler import MessageHandler
 from hexactf.extensions_manager import kafka_consumer, db
+from hexactf.monitoring.loki_logger import FlaskLokiLogger
 
 def start_kafka_consumer(app):
     """Start Kafka consumer in a separate thread"""
@@ -22,17 +23,17 @@ def __init__(self, config_class: Type[Config] = Config):
         self.app = Flask(__name__)
         self.app.config.from_object(config_class)
                
-        self.logger = FlaskLokiLogger(app_name="challenge-api", loki_url=self.app.config['LOKI_URL']).logger
+        # self.logger = FlaskLokiLogger(app_name="challenge-api", loki_url=self.app.config['LOKI_URL']).logger
 
-        if os.getenv("TEST_MODE") != "true":
-            from hexactf.monitoring.loki_logger import FlaskLokiLogger
-            self.logger = FlaskLokiLogger(app_name="challenge-api", loki_url=self.app.config['LOKI_URL']).logger
-        else:
-            self.logger = self.app.logger  # Use Flask default logger
+        # if os.getenv("TEST_MODE") != "true":
+        #     from hexactf.monitoring.loki_logger import FlaskLokiLogger
+        #     self.logger = FlaskLokiLogger(app_name="challenge-api", loki_url=self.app.config['LOKI_URL']).logger
+        # else:
+        #     self.logger = self.app.logger  # Use Flask default logger
         
         # 초기 설정
         self._init_extensions()
-        self._setup_middleware()
+        # self._setup_middleware()
         self._register_error_handlers()
         self._setup_blueprints()
         # self._init_metrics_collector()
@@ -65,7 +66,7 @@ def start_timer():
         @self.app.after_request
         def log_request(response):
             total_time = (datetime.now() - g.start).total_seconds()
-            self._log_request(response, total_time)
+            # self._log_request(response, total_time)
             return response
 
     def _register_error_handlers(self):
@@ -74,7 +75,7 @@ def _register_error_handlers(self):
         @self.app.errorhandler(CustomBaseException)
         def handle_challenge_error(error):
             print(f"[DEBUG] error: {error.__dict__}", file=sys.stderr)
-            self._log_error(error)
+            # self._log_error(error)
             response = {
                 'error': {
                     'code': error.error_type.value,
diff --git a/requirements.txt b/requirements.txt
index 4b5be8c..7a84812 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Flask==2.3.3
 Flask-SQLAlchemy==3.0.2
 
 SQLAlchemy==2.0.20
-pymysql==1.0.3
+pymysql>=1.1.1
 mariadb>=1.0.11
 
 kubernetes==26.1.0