diff --git a/build.bat b/build.bat
index 89ee8cbb..3c08629c 100644
--- a/build.bat
+++ b/build.bat
@@ -1,2 +1,2 @@
 call .venv/Scripts/activate
-pyinstaller backend.spec --distpath src-tauri/bin --clean --noconfirm
\ No newline at end of file
+pyinstaller backend.spec --distpath src-tauri/bin --clean --noconfirm --log-level ERROR
\ No newline at end of file
diff --git a/build_cuda.bat b/build_cuda.bat
index 73c85676..308b9174 100644
--- a/build_cuda.bat
+++ b/build_cuda.bat
@@ -1,2 +1,2 @@
 call .venv_cuda/Scripts/activate
-pyinstaller backend_cuda.spec --distpath src-tauri/bin --clean --noconfirm
\ No newline at end of file
+pyinstaller backend_cuda.spec --distpath src-tauri/bin --clean --noconfirm --log-level ERROR
\ No newline at end of file
diff --git a/install.bat b/install.bat
index 69c5152b..aeb3d9b5 100644
--- a/install.bat
+++ b/install.bat
@@ -1,21 +1,25 @@
-REM .venv .venv_cuda があれば削除
+REM .venv exists
 if exist .venv (
     rmdir /s /q .venv
 )
 
-if exist .venv_cuda (
-    rmdir /s /q .venv_cuda
-)
-
-REM .venv .venv_cuda を作成
+REM make .venv
 python -m venv .venv
-python -m venv .venv_cuda
 
-REM .venv .venv_cuda に必要なパッケージをインストール
+REM install packages for .venv
 call .venv/Scripts/activate
 python.exe -m pip install --upgrade pip
 pip install --no-cache-dir --force-reinstall -r requirements.txt
 
+REM if .venv_cuda exists
+if exist .venv_cuda (
+    rmdir /s /q .venv_cuda
+)
+
+REM make .venv_cuda
+python -m venv .venv_cuda
+
+REM install packages for .venv_cuda
 call .venv_cuda/Scripts/activate
 python.exe -m pip install --upgrade pip
 pip install --no-cache-dir --force-reinstall -r requirements_cuda.txt
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index c6b7ba57..244a9238 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,8 @@ psutil==5.9.8
 pykakasi==2.3.0
 pycaw==20240210
 websockets==15.0.1
-huggingface_hub[hf-xet]
+huggingface_hub==0.32.2
+hf-xet==1.1.2
 setuptools==80.8.0
 translators @ git+https://github.com/misyaguziya/translators@5.9.2.1
 SpeechRecognition @ git+https://github.com/misyaguziya/custom_speech_recognition@3.10.4.1
diff --git a/requirements_cuda.txt b/requirements_cuda.txt
index 00293ea3..4dadf192 100644
--- a/requirements_cuda.txt
+++ b/requirements_cuda.txt
@@ -17,7 +17,8 @@ psutil==5.9.8
 pykakasi==2.3.0
 pycaw==20240210
 websockets==15.0.1
-huggingface[hub]
+huggingface_hub==0.32.2
+hf-xet==1.1.2
 setuptools==80.8.0
 translators @ git+https://github.com/misyaguziya/translators@5.9.2.1
 SpeechRecognition @ git+https://github.com/misyaguziya/custom_speech_recognition@3.10.4.1
diff --git a/src-python/controller.py b/src-python/controller.py
index c2db0f45..f74b01ca 100644
--- a/src-python/controller.py
+++ b/src-python/controller.py
@@ -1,4 +1,4 @@
-from typing import Callable, Union, Any
+from typing import Callable, Any
 from time import sleep
 from subprocess import Popen
 from threading import Thread
diff --git a/src-python/mainloop.py b/src-python/mainloop.py
index c2429a58..6b684b38 100644
--- a/src-python/mainloop.py
+++ b/src-python/mainloop.py
@@ -1,26 +1,14 @@
-import os
 import sys
 import json
 import time
 from typing import Any
 from threading import Thread
 from queue import Queue
-import warnings
-warnings.filterwarnings('ignore')
+import logging
+from controller import Controller  # noqa: E402
+from utils import printLog, printResponse, errorLogging, encodeBase64 # noqa: E402
 
-if getattr(sys, 'frozen', False):
-    cache_dir = os.path.join(os.path.dirname(sys.executable), ".cache")
-    hub_dir = os.path.join(os.path.dirname(sys.executable), ".cache", "hub")
-else:
-    cache_dir = os.path.join(os.path.dirname(__file__), ".cache")
-    hub_dir = os.path.join(os.path.dirname(__file__), ".cache", "hub")
-
-os.makedirs(cache_dir, exist_ok=True)
-os.makedirs(hub_dir, exist_ok=True)
-os.environ["HF_HOME"] = os.path.join(cache_dir)
-
-from controller import Controller
-from utils import printLog, printResponse, errorLogging, encodeBase64
+logging.getLogger("huggingface_hub").setLevel(logging.ERROR)
 
 run_mapping = {
     "connected_network":"/run/connected_network",