diff --git a/server/restapi/MMVC_Rest.py b/server/restapi/MMVC_Rest.py
index eb0bbbb2..dafc0cc1 100644
--- a/server/restapi/MMVC_Rest.py
+++ b/server/restapi/MMVC_Rest.py
@@ -7,6 +7,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from fastapi.staticfiles import StaticFiles
 from fastapi.exceptions import RequestValidationError
 from typing import Callable
+from mods.log_control import VoiceChangaerLogger
 from voice_changer.VoiceChangerManager import VoiceChangerManager
 
 from restapi.MMVC_Rest_Hello import MMVC_Rest_Hello
@@ -15,6 +16,8 @@ from restapi.MMVC_Rest_Fileuploader import MMVC_Rest_Fileuploader
 from const import UPLOAD_DIR, getFrontendPath, TMP_DIR
 from voice_changer.utils.VoiceChangerParams import VoiceChangerParams
 
+logger = VoiceChangaerLogger.get_instance().getLogger()
+
 
 class ValidationErrorLoggingRoute(APIRoute):
     def get_route_handler(self) -> Callable:
@@ -42,6 +45,7 @@ class MMVC_Rest:
         voiceChangerParams: VoiceChangerParams,
     ):
         if cls._instance is None:
+            logger.info("[Voice Changer] MMVC_Rest initializing...")
             app_fastapi = FastAPI()
             app_fastapi.router.route_class = ValidationErrorLoggingRoute
             app_fastapi.add_middleware(
@@ -102,6 +106,7 @@ class MMVC_Rest:
             app_fastapi.include_router(fileUploader.router)
 
             cls._instance = app_fastapi
+            logger.info("[Voice Changer] MMVC_Rest initializing... done.")
             return cls._instance
 
         return cls._instance
diff --git a/server/sio/MMVC_SocketIOApp.py b/server/sio/MMVC_SocketIOApp.py
index 682413a5..d51ec601 100644
--- a/server/sio/MMVC_SocketIOApp.py
+++ b/server/sio/MMVC_SocketIOApp.py
@@ -1,9 +1,12 @@
 import socketio
+from mods.log_control import VoiceChangaerLogger
 
 from sio.MMVC_SocketIOServer import MMVC_SocketIOServer
 from voice_changer.VoiceChangerManager import VoiceChangerManager
 from const import getFrontendPath
 
+logger = VoiceChangaerLogger.get_instance().getLogger()
+
 
 class MMVC_SocketIOApp:
     _instance: socketio.ASGIApp | None = None
@@ -11,6 +14,7 @@ class MMVC_SocketIOApp:
     @classmethod
     def get_instance(cls, app_fastapi, voiceChangerManager: VoiceChangerManager):
         if cls._instance is None:
+            logger.info("[Voice Changer] MMVC_SocketIOApp initializing...")
             sio = MMVC_SocketIOServer.get_instance(voiceChangerManager)
             app_socketio = socketio.ASGIApp(
                 sio,
@@ -42,6 +46,7 @@ class MMVC_SocketIOApp:
             )
 
             cls._instance = app_socketio
+            logger.info("[Voice Changer] MMVC_SocketIOApp initializing... done.")
             return cls._instance
 
         return cls._instance
diff --git a/server/voice_changer/VoiceChangerManager.py b/server/voice_changer/VoiceChangerManager.py
index d1d3c4f4..2e808fb9 100644
--- a/server/voice_changer/VoiceChangerManager.py
+++ b/server/voice_changer/VoiceChangerManager.py
@@ -72,6 +72,7 @@ class VoiceChangerManager(ServerDeviceCallbacks):
     # VoiceChangerManager
     ############################
     def __init__(self, params: VoiceChangerParams):
+        logger.info("[Voice Changer] VoiceChangerManager initializing...")
         self.params = params
         self.voiceChanger: VoiceChanger = None
         self.settings: VoiceChangerManagerSettings = VoiceChangerManagerSettings()
@@ -95,6 +96,7 @@ class VoiceChangerManager(ServerDeviceCallbacks):
             self.update_settings("gpu", 0)
         # for key, val in self.stored_setting.items():
         #     self.update_settings(key, val)
+        logger.info("[Voice Changer] VoiceChangerManager initializing... done.")
 
     def store_setting(self, key: str, val: str | int | float):
         saveItemForServerDevice = ["enableServerAudio", "serverAudioSampleRate", "serverInputDeviceId", "serverOutputDeviceId", "serverMonitorDeviceId", "serverReadChunkSize", "serverInputAudioGain", "serverOutputAudioGain"]