diff --git a/configure_netplan.py b/configure_netplan.py
index ddbee9b..45d2441 100644
--- a/configure_netplan.py
+++ b/configure_netplan.py
@@ -150,12 +150,17 @@ def main():
             yaml.dump(netplan_config_yaml, f)
             netplan_get_status = os.system('sudo netplan get')
             if netplan_get_status == 0:
-                os.system('sudo netplan try --timeout 10 && echo "Finish configuring netplan!" && exit 0')
-                f.write(org_file_contents)
-                print("Recover changed!")
+                if os.system('sudo netplan try --timeout 10') == 0:
+                    print("Finish configuring netplan!")
+                    sys.exit(0)
             else:
                 print("Something went wrong!")
                 f.write(org_file_contents)
                 print("Recover changed!")
+                sys.exit(1)
+        with open(netplan_config_file, 'w+') as f:
+            print(org_file_contents)
+            f.write(org_file_contents)
+            print("Recover changed!")
 if __name__ == '__main__':
     main()
\ No newline at end of file