diff --git a/eulerLauncher-ui/api/api.py b/eulerLauncher-ui/api/api.py
index 47d32859fa9a1c9a1bbc4f04d5e549d58ef42169..20e8201679ca4cc7a07f553d5daf874be10a1f7e 100644
--- a/eulerLauncher-ui/api/api.py
+++ b/eulerLauncher-ui/api/api.py
@@ -11,7 +11,6 @@ usage: 在Javascript中调用window.pywebview.api.<methodname>(<parameters>)
 
 from api.storage import Storage
 from api.system import System
-import json
 import re
 import os
 class EUAction:
diff --git a/eulerlauncher/backends/win/instance_handler.py b/eulerlauncher/backends/win/instance_handler.py
index 2d07ec8b156d13f8da1afad7484ebfd05dc41ca4..1eaf855f286c299e7b7205907a8f5e95ad641bc4 100644
--- a/eulerlauncher/backends/win/instance_handler.py
+++ b/eulerlauncher/backends/win/instance_handler.py
@@ -9,7 +9,6 @@ from oslo_utils import uuidutils
 from os_win import constants as os_win_const
 from os_win import exceptions as os_win_exc
 
-from eulerlauncher.backends.win import powershell
 from eulerlauncher.backends.win import vmops
 from eulerlauncher.utils import constants
 from eulerlauncher.utils import utils as omni_utils
diff --git a/eulerlauncher/eulerlauncherd.py b/eulerlauncher/eulerlauncherd.py
index adb18ccb3e3f561dfd0d9aa806c13d307c467c30..9b86c0f71ceb8a2c1c36a9996c3c4b0d2b11aaac 100644
--- a/eulerlauncher/eulerlauncherd.py
+++ b/eulerlauncher/eulerlauncherd.py
@@ -12,8 +12,8 @@ import subprocess
 import sys
 import time
 
-from eulerlauncher.grpcs.eulerlauncher_grpc import images_pb2, images_pb2_grpc
-from eulerlauncher.grpcs.eulerlauncher_grpc import instances_pb2, instances_pb2_grpc
+from eulerlauncher.grpcs.eulerlauncher_grpc import images_pb2_grpc
+from eulerlauncher.grpcs.eulerlauncher_grpc import instances_pb2_grpc
 from eulerlauncher.services import imager_service, instance_service
 from eulerlauncher.utils import constants
 from eulerlauncher.utils import objs
diff --git a/eulerlauncher/grpcs/client.py b/eulerlauncher/grpcs/client.py
index 978f77e588760852764494c70fbcb8ab561d3e5e..61ad24347c34b93821e9a86990d354fb481657b8 100644
--- a/eulerlauncher/grpcs/client.py
+++ b/eulerlauncher/grpcs/client.py
@@ -1,8 +1,8 @@
 import grpc
 import os
 
-from eulerlauncher.grpcs.eulerlauncher_grpc import images_pb2, images_pb2_grpc
-from eulerlauncher.grpcs.eulerlauncher_grpc import instances_pb2, instances_pb2_grpc
+from eulerlauncher.grpcs.eulerlauncher_grpc import images_pb2_grpc
+from eulerlauncher.grpcs.eulerlauncher_grpc import instances_pb2_grpc
 from eulerlauncher.grpcs import images, instances
 from eulerlauncher.utils import constants
 from eulerlauncher.utils import utils as omnivirt_utils