diff --git a/Furious/Widget/AssetViewer.py b/Furious/Widget/AssetViewer.py
index 7372695..55a4a73 100644
--- a/Furious/Widget/AssetViewer.py
+++ b/Furious/Widget/AssetViewer.py
@@ -19,19 +19,11 @@ from PySide6.QtWidgets import QFileDialog, QListWidget, QListWidgetItem, QMainWi
 import os
 import shutil
 import logging
-import threading
-import watchfiles
 import darkdetect
 
 logger = logging.getLogger(__name__)
 
 
-def watchFileChanges(callback):
-    for changes in watchfiles.watch(AssetViewerWidget.AssetDir):
-        if callable(callback):
-            callback()
-
-
 class QuestionDeleteBox(MessageBox):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -127,6 +119,8 @@ class ImportAction(Action):
                 # Show the MessageBox and wait for user to close it
                 self.importErrorBox.exec()
             else:
+                self.parent().flushItem()
+
                 self.importSuccessBox.setWindowTitle(_('Import'))
                 self.importSuccessBox.setText(_('Import asset file success.'))
 
@@ -142,13 +136,6 @@ class ExitAction(Action):
         self.parent().hide()
 
 
-class WatchFiles(QtCore.QObject):
-    filesChanged = QtCore.Signal()
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-
-
 class AssetViewerWidget(
     Translatable, SupportConnectedCallback, SupportThemeChangedCallback, QMainWindow
 ):
@@ -179,17 +166,6 @@ class AssetViewerWidget(
 
         logger.info(f'asset dir is \'{AssetViewerWidget.AssetDir}\'')
 
-        # Check filesystem events
-        self.watchFiles = WatchFiles()
-        self.watchFiles.filesChanged.connect(lambda: self.flushItem())
-
-        self.watchFilesListenerThread = threading.Thread(
-            target=watchFileChanges,
-            args=(self.watchFiles.filesChanged.emit,),
-            daemon=True,
-        )
-        self.watchFilesListenerThread.start()
-
         contextMenuActions = [
             Action(
                 _('Delete'), callback=lambda: self.deleteSelectedItem(), parent=self
@@ -246,6 +222,8 @@ class AssetViewerWidget(
         for index in indexes:
             os.remove(AssetViewerWidget.AssetDir / self.listWidget.item(index).text())
 
+        self.flushItem()
+
     def flushItemByTheme(self, theme):
         self.listWidget.clear()
 
diff --git a/Furious/__main__.py b/Furious/__main__.py
index 5708269..d0e4fa3 100644
--- a/Furious/__main__.py
+++ b/Furious/__main__.py
@@ -25,12 +25,6 @@ def main():
 
         exitcode = process.exitcode
 
-        if exitcode == -6:
-            # On Linux platform, daemon thread(filesystem events listener thread)
-            # terminated and result in application exitcode -6. Make it as exit
-            # success thus error window won't show.
-            exitcode = 0
-
         if exitcode == 0:
             sys.exit(exitcode)