diff --git a/setup.py b/setup.py
index bff3621..eee6115 100644
--- a/setup.py
+++ b/setup.py
@@ -37,15 +37,16 @@ setup(
     include_package_data=True,
     install_requires=[
         'PySide6',
-        'tun2socks > 2.5.1',
+        'qdarkstyle',
+        'tun2socks > 2.5.1; platform_system != "Linux"',
         'ujson',
         'pybase64',
         'pyqrcode',
         'pypng',
         'ping3',
-        'sysproxy; sys_platform == "win32"',
-        'darkdetect; sys_platform != "darwin"',
-        'darkdetect[macos-listener]; sys_platform == "darwin"',
+        'sysproxy; platform_system == "Windows"',
+        'darkdetect; platform_system != "Darwin"',
+        'darkdetect[macos-listener]; platform_system == "Darwin"',
     ],
     extras_require={
         'go1.20': ['Xray-core < 1.8.5', 'hysteria > 1.3.5', 'hysteria2 == 2.0.0.1'],