diff --git a/examples/chatgpt_demo/factory_nvs/main/idf_component.yml b/examples/chatgpt_demo/factory_nvs/main/idf_component.yml
index 0499b5f..0079072 100644
--- a/examples/chatgpt_demo/factory_nvs/main/idf_component.yml
+++ b/examples/chatgpt_demo/factory_nvs/main/idf_component.yml
@@ -1,7 +1,7 @@
 ## IDF Component Manager Manifest File
 dependencies:
   espressif/esp_tinyuf2:
-    version: "0.2.*"
+    version: ">=0.2.2"
   # espressif/esp-box: "~2.2.0"
   ## Required IDF version
   idf:
diff --git a/examples/chatgpt_demo/main/CMakeLists.txt b/examples/chatgpt_demo/main/CMakeLists.txt
index 301c0bc..ab89f36 100644
--- a/examples/chatgpt_demo/main/CMakeLists.txt
+++ b/examples/chatgpt_demo/main/CMakeLists.txt
@@ -29,13 +29,14 @@ if(NOT EXISTS ${nvs_src_file})
     message(FATAL_ERROR "Please ensure that the 'factory_nvs' is built first, and make sure to keep the 'HMI Board Config' consistent.")
 endif()
 
+add_custom_target(nvs_uf2_bin ALL)
 add_custom_command(
-        OUTPUT ${nvs_dst_file}
-        COMMENT "Generate factory_nvs..."
-        COMMAND python ${MV_UF2_BIN_EXE} -d1 ${nvs_src_file} -d2 ${nvs_dst_file}
+        TARGET nvs_uf2_bin
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${build_dir}/uf2
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different ${nvs_src_file} ${nvs_dst_file}
+        COMMAND ${CMAKE_COMMAND} -E echo "Copying factory_nvs.bin to destination if it is different..."
         VERBATIM)
 
-add_custom_target(nvs_uf2_bin ALL DEPENDS ${nvs_dst_file})
 add_dependencies(flash nvs_uf2_bin)
 
 partition_table_get_partition_info(size "--partition-name ota_0" "size")
diff --git a/examples/chatgpt_demo/main/generateuf2.py b/examples/chatgpt_demo/main/generateuf2.py
deleted file mode 100644
index c0b7217..0000000
--- a/examples/chatgpt_demo/main/generateuf2.py
+++ /dev/null
@@ -1,28 +0,0 @@
-# SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
-# SPDX-License-Identifier: CC0-1.0
-import io
-import os
-import argparse
-import shutil
-import math
-import sys
-
-sys.dont_write_bytecode = True
-
-def copy_files(nvs_src_file, nvs_dst_file):
-    dst_folder = os.path.dirname(nvs_dst_file)
-
-    if not os.path.exists(dst_folder):
-        os.makedirs(dst_folder)
-
-    shutil.copyfile(nvs_src_file, nvs_dst_file)
-    print(f"File copied from {nvs_src_file} to {nvs_dst_file}")
-
-if __name__ == '__main__':
-    parser = argparse.ArgumentParser(description='move uf2 fw')
-    parser.add_argument('-d1', '--nvs_src_file')
-    parser.add_argument('-d2', '--nvs_dst_file')
-    args = parser.parse_args()
-
-    if os.path.exists(args.nvs_src_file):
-        copy_files(args.nvs_src_file, args.nvs_dst_file)