diff --git a/common/log.py b/common/log.py
index 679bb2c..71b5e63 100644
--- a/common/log.py
+++ b/common/log.py
@@ -14,4 +14,5 @@ log_format = (
     "<g>{time:MM-DD HH:mm:ss}</g> |<lvl>{level:^8}</lvl>| {file}:{line} | {message}"
 )
 
+# logger.add(SAFE_STDOUT, format=log_format, backtrace=True, diagnose=True, level="TRACE")
 logger.add(SAFE_STDOUT, format=log_format, backtrace=True, diagnose=True)
diff --git a/text/pyopenjtalk_worker/__init__.py b/text/pyopenjtalk_worker/__init__.py
index 9677666..7aa0d0e 100644
--- a/text/pyopenjtalk_worker/__init__.py
+++ b/text/pyopenjtalk_worker/__init__.py
@@ -5,7 +5,7 @@ to avoid user dictionary access error
 
 from typing import Optional, Any
 
-from .worker_common import WOKER_PORT
+from .worker_common import WORKER_PORT
 from .worker_client import WorkerClient
 
 from common.log import logger
@@ -49,7 +49,7 @@ def unset_user_dict():
 # initialize module when imported
 
 
-def initialize(port: int = WOKER_PORT):
+def initialize(port: int = WORKER_PORT):
     import time
     import socket
     import sys
diff --git a/text/pyopenjtalk_worker/__main__.py b/text/pyopenjtalk_worker/__main__.py
index 8b67aa0..3bb6b53 100644
--- a/text/pyopenjtalk_worker/__main__.py
+++ b/text/pyopenjtalk_worker/__main__.py
@@ -1,12 +1,12 @@
 import argparse
 
 from .worker_server import WorkerServer
-from .worker_common import WOKER_PORT
+from .worker_common import WORKER_PORT
 
 
 def main():
     parser = argparse.ArgumentParser()
-    parser.add_argument("--port", type=int, default=WOKER_PORT)
+    parser.add_argument("--port", type=int, default=WORKER_PORT)
     args = parser.parse_args()
     server = WorkerServer()
     server.start_server(port=args.port)
diff --git a/text/pyopenjtalk_worker/worker_common.py b/text/pyopenjtalk_worker/worker_common.py
index bea552e..606d0c3 100644
--- a/text/pyopenjtalk_worker/worker_common.py
+++ b/text/pyopenjtalk_worker/worker_common.py
@@ -3,7 +3,7 @@ from enum import IntEnum, auto
 import socket
 import json
 
-WOKER_PORT: Final[int] = 7861
+WORKER_PORT: Final[int] = 7861
 HEADER_SIZE: Final[int] = 4