diff --git a/ch341.py b/ch341.py
index 8c23053..728dc7c 100644
--- a/ch341.py
+++ b/ch341.py
@@ -10,6 +10,7 @@
 from ctypes import *
 import global_var
 import subprocess
+import platform
 
 
 class ch341_class(object):
@@ -26,11 +27,10 @@ def __init__(self):
         self.fw_8339_buf = create_string_buffer(FW_8339SIZE)
 
         self.dll = None
+        self.dll_name = None
         self.target = -1
         self.status = ch341_status.IDLE.value        # idle
         self.read_setting_flag = 1
-        self.dll_name = "CH341DLL.DLL"
-
         self.reconnect_vtx = 0
 
         # ------ monitor -------------
@@ -78,19 +78,21 @@ def __init__(self):
         self.buffer_size = 2560
         self.write_buffer = create_string_buffer(self.buffer_size)
 
-        try:
-            self.dll = ctypes.WinDLL(self.dll_name)
-        except:
-            command = "resource\driver\SETUP.EXE \S"
-            print("Need to install ch341 driver")
-            print("Installing ...")
-            subprocess.run(command, shell=True, capture_output=True, text=True)
-            print("done")
-            time.sleep(1)
+        if platform.system() == "Windows":
             try:
+                self.dll_name = "CH341DLL.DLL"
                 self.dll = ctypes.WinDLL(self.dll_name)
             except:
-                a = 1
+                print("Need to install ch341 driver")
+                print("Installing ...")
+                command = "resource\\driver\\SETUP.EXE \\S"
+                subprocess.run(command, shell=True, capture_output=True, text=True)
+                print("done")
+                time.sleep(1)
+                try:
+                    self.dll = ctypes.WinDLL(self.dll_name)
+                except:
+                    pass
 
     def parse_monitor_fw(self, fw_path):
         try:
diff --git a/Download.py b/downloader.py
similarity index 98%
rename from Download.py
rename to downloader.py
index 6a7d740..479f618 100644
--- a/Download.py
+++ b/downloader.py
@@ -6,7 +6,7 @@
 import zipfile
 
 
-class download:
+class downloader:
     def __init__(self):
 
         self.status = download_status.IDLE.value
@@ -41,7 +41,7 @@ def download_file(self, url, save_path, clear):
             return 0
 
 
-my_download = download()
+my_download = downloader()
 
 
 def download_thread_proc():
diff --git a/hdzero_programmer.py b/hdzero_programmer.py
index 63038e5..8c0b800 100644
--- a/hdzero_programmer.py
+++ b/hdzero_programmer.py
@@ -1,52 +1,22 @@
 import threading
 import os
 import sys
-import shutil
-from main_window import ui_thread_proc
-from download import download_thread_proc
+from main_window import main_window_ui
+from downloader import download_thread_proc
 from ch341 import ch341_thread_proc
 
-
-def get_resource_folder():
-    if getattr(sys, 'frozen', False):
-        base_path = sys._MEIPASS
-    else:
-        base_path = os.path.dirname(os.path.abspath(__file__))
-
-    resource_folder = os.path.join(base_path, "data_folder")
-    print(resource_folder)
-
-    return resource_folder
-
-
-def check_and_release_resource():
-
-    resource_folder = get_resource_folder()
-
-    if os.path.exists("resource"):
-        pass
-    else:
-        for filename in os.listdir(resource_folder):
-            source_file = os.path.join(resource_folder, filename)
-            destination_file = os.path.join("resource", filename)
-            if os.path.isfile(source_file):
-                shutil.copy(source_file, destination_file)
-            elif os.path.isdir(source_file):
-                shutil.copytree(source_file, destination_file)
-
+run_path = getattr(sys, '_MEIPASS', os.path.abspath(os.path.dirname(__file__)))
+os.chdir(run_path)
 
 def main():
-    check_and_release_resource()
-    download_thread = threading.Thread(
-        target=download_thread_proc, name="download")
-    download_thread.start()
 
-    ui_thread = threading.Thread(target=ui_thread_proc, name="ui")
-    ui_thread.start()
+    download_thread = threading.Thread(target=download_thread_proc, name="downloader")
+    download_thread.start()
 
     ch341_thread = threading.Thread(target=ch341_thread_proc, name="ch341")
     ch341_thread.start()
 
+    main_window_ui()
 
 if __name__ == '__main__':
     main()
diff --git a/main_window.py b/main_window.py
index 0490441..6e7825e 100644
--- a/main_window.py
+++ b/main_window.py
@@ -10,7 +10,7 @@
 from frame_programmer import frame_programmer
 from frame_statusbar import frame_statusbar
 
-from download import *
+from downloader import *
 from parse_file import *
 import global_var
 from global_var import *
@@ -357,7 +357,7 @@ def create_downloading_firmware_window(self):
         self.downloading_window_status = 1
         self.downloading_window.overrideredirect(True)
 
-        self._main_window.attributes('-disable', True)
+        #self._main_window.attributes('-disable', True)
 
     def set_downloading_label(self, str):
         self.downloading_label.config(text=str)
@@ -403,7 +403,7 @@ def refresh(self):
 
             self._vtx_frame.create_radio_button_list(
                 list(my_parse.vtx_info.keys()), self.on_select_vtx_target, my_parse.vtx_target_image)
-            self._main_window.attributes('-disable', False)
+            #self._main_window.attributes('-disable', False)
 
         # vtx
         if self.current_selected_tab() == 0:
@@ -765,7 +765,7 @@ def on_closing():
 global my_gui
 
 
-def ui_thread_proc():
+def main_window_ui():
     global my_gui
     root = tk.Tk()
 
diff --git a/package.bat b/package.bat
index 045a614..4af1cf3 100644
--- a/package.bat
+++ b/package.bat
@@ -1 +1 @@
-pyinstaller -i HDZeroIcon.ico -w --onefile --add-data "resource;data_folder" hdzero_programmer.py
+pyinstaller -i HDZeroIcon.ico -w --onefile --add-data "resource;resource" hdzero_programmer.py
diff --git a/package.sh b/package.sh
new file mode 100755
index 0000000..11e9ee5
--- /dev/null
+++ b/package.sh
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+rm -rf build dist
+pyinstaller -i HDZeroIcon.ico -w --onefile --add-data="resource:resource" hdzero_programmer.py