diff --git a/Furious/Action/Connect.py b/Furious/Action/Connect.py
index 6cb7032..941e57f 100644
--- a/Furious/Action/Connect.py
+++ b/Furious/Action/Connect.py
@@ -97,6 +97,10 @@ class ConnectAction(Action):
             assert self.coreRunning
             assert self.coreName == XrayCore.name()
 
+        if exitcode == XrayCore.ExitCode.SystemShuttingDown:
+            # System shutting down. Do nothing
+            return
+
         if exitcode == XrayCore.ExitCode.ConfigurationError:
             if not self.isConnecting():
                 # Protect connecting action. Mandatory
@@ -142,6 +146,10 @@ class ConnectAction(Action):
             assert self.coreRunning
             assert self.coreName == Hysteria.name()
 
+        if exitcode == Hysteria.ExitCode.SystemShuttingDown:
+            # System shutting down. Do nothing
+            return
+
         if exitcode == Hysteria.ExitCode.ConfigurationError:
             if not self.isConnecting():
                 # Protect connecting action. Mandatory
@@ -182,6 +190,8 @@ class ConnectAction(Action):
             )
 
     def stopCore(self):
+        self.TorRelay.stop()
+
         self.XrayCore.registerExitCallback(None)
         self.Hysteria.registerExitCallback(None)
 
@@ -189,8 +199,6 @@ class ConnectAction(Action):
         self.XrayCore.stop()
         self.Hysteria.stop()
 
-        self.TorRelay.stop()
-
         self.coreRunning = False
 
     def showConnectingProgressBar(self):
diff --git a/Furious/Core/Core.py b/Furious/Core/Core.py
index 3095a19..eea654a 100644
--- a/Furious/Core/Core.py
+++ b/Furious/Core/Core.py
@@ -1,4 +1,4 @@
-from Furious.Utility.Constants import PLATFORM, ROOT_DIR, DATA_DIR
+from Furious.Utility.Constants import PLATFORM
 from Furious.Utility.Utility import getAbsolutePath
 
 from PySide6 import QtCore
@@ -96,6 +96,8 @@ class XrayCore(Core):
         ConfigurationError = 23
         # Windows: 4294967295. Darwin, Linux: 255 (-1)
         ServerStartFailure = 4294967295 if PLATFORM == 'Windows' else 255
+        # Windows shutting down
+        SystemShuttingDown = 0x40010004
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -137,6 +139,8 @@ class Hysteria(Core):
     class ExitCode:
         ConfigurationError = 23
         RemoteNetworkError = 3
+        # Windows shutting down
+        SystemShuttingDown = 0x40010004
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)