diff --git a/fastdeploy/cache_manager/cache_transfer_manager.py b/fastdeploy/cache_manager/cache_transfer_manager.py
index 0e24bf17c..ea39cf33f 100644
--- a/fastdeploy/cache_manager/cache_transfer_manager.py
+++ b/fastdeploy/cache_manager/cache_transfer_manager.py
@@ -19,10 +19,9 @@ import concurrent.futures
 import gc
 import json
 import queue
-import time
-import traceback
 import threading
 import time
+import traceback
 
 import numpy as np
 import paddle
diff --git a/fastdeploy/inter_communicator/__init__.py b/fastdeploy/inter_communicator/__init__.py
index 2bddcadf3..ffedc32de 100644
--- a/fastdeploy/inter_communicator/__init__.py
+++ b/fastdeploy/inter_communicator/__init__.py
@@ -17,17 +17,22 @@
 from .engine_cache_queue import EngineCacheQueue
 from .engine_worker_queue import EngineWorkerQueue
 from .ipc_signal import IPCSignal, shared_memory_exists
-from .ipc_signal_const import ExistTaskStatus, PrefixTreeStatus, ModelWeightsStatus, KVCacheStatus
+from .ipc_signal_const import (
+    ExistTaskStatus,
+    KVCacheStatus,
+    ModelWeightsStatus,
+    PrefixTreeStatus,
+)
 from .zmq_client import ZmqClient
 
 __all__ = [
-    "ZmqClient", 
-    "IPCSignal", 
-    "EngineWorkerQueue", 
-    "EngineCacheQueue", 
+    "ZmqClient",
+    "IPCSignal",
+    "EngineWorkerQueue",
+    "EngineCacheQueue",
     "shared_memory_exists",
-    "ExistTaskStatus"
-    "PrefixTreeStatus", 
+    "ExistTaskStatus",
+    "PrefixTreeStatus",
     "ModelWeightsStatus",
     "KVCacheStatus",
 ]