diff --git a/launcher/webview/api.py b/launcher/webview/api.py
index e8e5c0b..fae921a 100644
--- a/launcher/webview/api.py
+++ b/launcher/webview/api.py
@@ -7,7 +7,6 @@ from pathlib import Path
 from shutil import rmtree
 from subprocess import Popen
 
-import chardet
 import requests
 
 from launcher import config
@@ -29,27 +28,27 @@ command_list = {
     "fetch": lambda: f"..\\git\\bin\\git fetch origin {config.conf.branch} --progress",
     "switch": lambda: f"..\\git\\bin\\git -c lfs.concurrenttransfers=100 switch -f {config.conf.branch} --progress",
     "reset": lambda: f"..\\git\\bin\\git -c lfs.concurrenttransfers=200 reset --hard origin/{config.conf.branch}",
-    "pip_install": lambda: f"..\\python\\Scripts\\pip install --no-cache-dir -i {mirror_list[config.conf.mirror]} -r requirements.txt --no-warn-script-location",
+    "pip_tools_install": lambda: f"..\\python\\Scripts\\pip install --no-cache-dir -i {mirror_list[config.conf.mirror]} pip-tools --no-warn-script-location",
+    "pip_sync": lambda: f"..\\python\\Scripts\\pip-sync -i {mirror_list[config.conf.mirror]} requirements.txt",
     "webview": "start ..\\python\\pythonw webview_ui.py",
     "manager": "start ..\\python\\pythonw manager.py",
 }
 
 
-def detect_encoding(stream):
-    # 读取一部分数据来检测编码
-    raw_data = stream.read(4096)
-    result = chardet.detect(raw_data)
-    stream.seek(0)  # 将流指针重置到开头
-    return result['encoding']
-
-
 def read_stream(stream, log_func):
-    detected_encoding = detect_encoding(stream)
-    text_io = io.TextIOWrapper(stream, encoding=detected_encoding, errors='replace')
-    try:
+    def process_lines(text_io):
         for line in iter(text_io.readline, ''):
             text = line.rstrip('\n')
-            custom_event(text.strip() + "\n")
+            custom_event(f"{text.strip()}\n")
+
+    detected_encoding = 'utf-8'
+    text_io = io.TextIOWrapper(stream, encoding=detected_encoding, errors='replace')
+    try:
+        process_lines(text_io)
+    except UnicodeDecodeError:
+        stream.seek(0)  # 重新将流指针重置到开头
+        text_io = io.TextIOWrapper(stream, encoding='gbk', errors='replace')
+        process_lines(text_io)
     finally:
         text_io.close()
 
@@ -136,7 +135,7 @@ class Api:
                     universal_newlines=False
             ) as p:
                 stdout_thread = threading.Thread(target=read_stream, args=(p.stdout, logger.info))
-                stderr_thread = threading.Thread(target=read_stream, args=(p.stderr, logger.info))
+                stderr_thread = threading.Thread(target=read_stream, args=(p.stderr, logger.error))
 
                 stdout_thread.start()
                 stderr_thread.start()
@@ -145,7 +144,9 @@ class Api:
                 stderr_thread.join()
             if p.returncode == 0:
                 return "success"
+            else:
+                logger.error(f"{command} 运行失败")
+                return "failed"
         except Exception as e:
             logger.exception(e)
             custom_event(str(e))
-        return "failed"
diff --git a/requirements.in b/requirements.in
index 0355191..6e921b6 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,5 +1,4 @@
 pywebview==5.1
 requests==2.32.3
 py7zr==0.22.0
-chardet==5.2.0
 pydantic==2.10.3
diff --git a/requirements.txt b/requirements.txt
index b2c00c2..f44f0c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,8 +16,6 @@ certifi==2024.12.14
     # via requests
 cffi==1.17.1
     # via clr-loader
-chardet==5.2.0
-    # via -r requirements.in
 charset-normalizer==3.4.0
     # via requests
 clr-loader==0.2.7.post0
diff --git a/ui/src/pages/Update.vue b/ui/src/pages/Update.vue
index 1d7019a..dc1da6a 100644
--- a/ui/src/pages/Update.vue
+++ b/ui/src/pages/Update.vue
@@ -13,7 +13,7 @@ const steps = computed(() => [
   },
   {
     title: '安装依赖',
-    command: ['pip_install'],
+    command: ['pip_tools_install', 'pip_sync'],
     cwd: 'mower-ng'
   }
 ])