diff --git a/config/__init__.py b/config/__init__.py
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/gui/app.py b/gui/app.py
index a5c4c326ef0458279f3de1d765572358fd3b861e..dfae50a1f48caa0ca25a8282bebc7287694cde5b 100644
--- a/gui/app.py
+++ b/gui/app.py
@@ -5,11 +5,10 @@
 
 import sys
 from PyQt6.QtGui import QIcon
-from PyQt6.QtWidgets import QApplication, QLabel, QMainWindow, QTabWidget, QTextEdit, QVBoxLayout, QWidget
+from PyQt6.QtWidgets import (QApplication, QLabel, QMainWindow, QTabWidget,
+                             QTextEdit, QVBoxLayout, QWidget)
 from dfu_image_generator import DfuImageGenerator
-
-sys.path.append('..')
-from config.setting import Settings
+from setting import Settings
 
 
 class NrfxToolbox(QMainWindow):
diff --git a/gui/dfu_image_generator.py b/gui/dfu_image_generator.py
index 922aa438f9b34ece1246132d700b6bb0c6bf6023..78fec98ac276ee6131eaca73daa6cadab1cf38ac 100644
--- a/gui/dfu_image_generator.py
+++ b/gui/dfu_image_generator.py
@@ -1,9 +1,28 @@
 #!/usr/bin/env python
 
-from PyQt6.QtGui import QTextLine
-from PyQt6.QtWidgets import (QComboBox, QGridLayout, QHBoxLayout, QLineEdit,
-                             QPushButton, QTextEdit, QVBoxLayout, QWidget,
-                             QLabel, QTabWidget)
+import sys
+from PyQt6.QtWidgets import (QComboBox, QGridLayout, QLineEdit, QPushButton,
+                             QVBoxLayout, QWidget, QLabel, QTabWidget)
+
+sys.path.append('..')
+from click.testing import CliRunner
+from nordicsemi import __main__
+from pathlib import Path
+
+runner = CliRunner()
+cli = __main__.cli
+
+# 获取根目录
+root_dir = Path.cwd().parent
+print(root_dir)
+# 创建输出目录
+output_dir = '../_out/'
+print(output_dir)
+if root_dir.joinpath('_out').exists():
+    print('_out is exit.')
+else:
+    print('create a new ')
+    root_dir.joinpath('_out').mkdir(parents=False, exist_ok=False)
 
 
 class DfuImageGenerator(QWidget):
@@ -40,6 +59,7 @@ class DfuImageGenerator(QWidget):
 class GenerateKeyTab(QWidget):
     def __init__(self, parent):
         super(GenerateKeyTab, self).__init__(parent)
+
         self.init_ui()
 
     def init_ui(self):
@@ -65,9 +85,23 @@ class GenerateKeyTab(QWidget):
 
     def gen_btn_handler(self):
         print('gen_btn_handler')
+        out_file = '../_out/key.pem'
+        print(out_file)
+        result = runner.invoke(cli, ['keys', 'generate', out_file])
+        print(result.output)
+        print(result.exit_code)
+        #self.assertIsNone(result.exception)
 
     def dis_btn_handler(self):
         print('gen_btn_handler')
+        key_file = '../_out/key.pem'
+        key_file_c = '../_out/dfu_public_key.c'
+        result = runner.invoke(cli, [
+            'keys', 'display', '--key', 'pk', '--format', 'code', key_file,
+            '--out_file', key_file_c
+        ])
+        print(result.output)
+        print(result.exit_code)
 
     def rst_btn_handler(self):
         print('gen_btn_handler')
diff --git a/config/setting.py b/gui/setting.py
similarity index 100%
rename from config/setting.py
rename to gui/setting.py