diff --git a/argenta/app/entity.py b/argenta/app/entity.py
index 37a0dda..b762caf 100644
--- a/argenta/app/entity.py
+++ b/argenta/app/entity.py
@@ -164,11 +164,11 @@ class App:
                 router.set_router_as_main()
                 self._app_main_router = router
 
-        if not self._app_main_router.unknown_command_func:
+        if not self._app_main_router.get_unknown_command_func():
             raise MissingHandlerForUnknownCommandsException()
 
         for router in self._routers:
-            if router.unknown_command_func and self._app_main_router is not router:
+            if router.get_unknown_command_func() and self._app_main_router is not router:
                 raise HandlerForUnknownCommandsOnNonMainRouterException()
 
 
diff --git a/argenta/command/input_comand/__pycache__/__init__.cpython-313.pyc b/argenta/command/input_comand/__pycache__/__init__.cpython-313.pyc
deleted file mode 100644
index 427b945..0000000
Binary files a/argenta/command/input_comand/__pycache__/__init__.cpython-313.pyc and /dev/null differ
diff --git a/argenta/command/input_comand/__pycache__/entity.cpython-313.pyc b/argenta/command/input_comand/__pycache__/entity.cpython-313.pyc
deleted file mode 100644
index 19fdb28..0000000
Binary files a/argenta/command/input_comand/__pycache__/entity.cpython-313.pyc and /dev/null differ
diff --git a/argenta/command/input_comand/__pycache__/exceptions.cpython-313.pyc b/argenta/command/input_comand/__pycache__/exceptions.cpython-313.pyc
deleted file mode 100644
index 67bb8db..0000000
Binary files a/argenta/command/input_comand/__pycache__/exceptions.cpython-313.pyc and /dev/null differ
diff --git a/argenta/router/entity.py b/argenta/router/entity.py
index 514bdfe..86a7891 100644
--- a/argenta/router/entity.py
+++ b/argenta/router/entity.py
@@ -16,7 +16,7 @@ class Router:
         self.name = name
 
         self._command_entities: list[dict[str, Callable[[], None] | Command]] = []
-        self.unknown_command_func: Callable[[str], None] | None = None
+        self._unknown_command_func: Callable[[str], None] | None = None
         self._is_main_router: bool = False
         self._ignore_command_register: bool = False
 
@@ -36,10 +36,10 @@ class Router:
 
 
     def unknown_command(self, func):
-        if self.unknown_command_func is not None:
+        if self._unknown_command_func is not None:
             raise UnknownCommandHandlerHasAlreadyBeenCreatedException()
 
-        self.unknown_command_func: Callable = func
+        self._unknown_command_func: Callable = func
 
         def wrapper(*args, **kwargs):
             return func(*args, **kwargs)
@@ -71,8 +71,12 @@ class Router:
                             return command_entity['handler_func']()
 
 
+    def get_unknown_command_func(self):
+        return self._unknown_command_func
+
+
     def unknown_command_handler(self, unknown_command):
-        self.unknown_command_func(unknown_command)
+        self._unknown_command_func(unknown_command)
 
 
     def _validate_command(self, command: Command):
@@ -119,7 +123,7 @@ class Router:
             'ignore_command_register': self._ignore_command_register,
             'attributes': {
                 'command_entities': self._command_entities,
-                'unknown_command_func': self.unknown_command_func,
+                'unknown_command_func': self._unknown_command_func,
                 'is_main_router': self._is_main_router
             }
 
diff --git a/tests/mock_app/handlers/routers.py b/tests/mock_app/handlers/routers.py
index 3c417b4..e1bf9aa 100644
--- a/tests/mock_app/handlers/routers.py
+++ b/tests/mock_app/handlers/routers.py
@@ -12,11 +12,11 @@ settings_router: Router = Router(title='Settings points:')
 
 console = Console()
 
-flagi =FlagsGroup(flags=[
+flagi = FlagsGroup(flags=[
     Flag(flag_name='host',
-         flag_prefix='--',),
+         flag_prefix='--', ),
     Flag(flag_name='port',
-         flag_prefix='--',)
+         flag_prefix='--', )
 ])
 
 
@@ -29,7 +29,7 @@ def command_help(args: FlagsGroup):
     #help_command()
 
 
-@work_router.command(Command(command='I', description='Start Solving', flags=flagi))
+@work_router.command(Command(command='P', description='Start Solving', flags=flagi))
 def command_start_solving(args: FlagsGroup):
     print('Solving...')
     flags = args.get_flags()
@@ -38,7 +38,7 @@ def command_start_solving(args: FlagsGroup):
     #start_solving_command()
 
 
-@settings_router.command(Command(command='i', description='Update WordMath'))
+@settings_router.command(Command(command='G', description='Update WordMath'))
 def command_update():
     print('uefi')
     # upgrade_command()