diff --git a/README.md b/README.md
index a794e74..30326e8 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # Soul Diary
 
+## ToDo
+
+1. Refactoring: create separate pages and user controls
+2. Implement S3 backend client
+3. Implement FTP backend client
+
 ## User Flow
 
 ### Soul Diary Server
diff --git a/soul_diary/backend/api/settings.py b/soul_diary/backend/api/settings.py
index bdc0ce8..c7dacd3 100644
--- a/soul_diary/backend/api/settings.py
+++ b/soul_diary/backend/api/settings.py
@@ -3,7 +3,7 @@ from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class APISettings(BaseSettings):
-    model_config = SettingsConfigDict(prefix="backend_api_")
+    model_config = SettingsConfigDict(env_prefix="backend_api_")
 
     port: conint(ge=1, le=65535) = 8001
 
diff --git a/soul_diary/backend/database/settings.py b/soul_diary/backend/database/settings.py
index f6391d8..5228a6c 100644
--- a/soul_diary/backend/database/settings.py
+++ b/soul_diary/backend/database/settings.py
@@ -3,6 +3,6 @@ from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class DatabaseSettings(BaseSettings):
-    model_config = SettingsConfigDict(prefix="backend_database_")
+    model_config = SettingsConfigDict(env_prefix="backend_database_")
 
     dsn: AnyUrl = "sqlite+aiosqlite:///soul_diary.sqlite3"
diff --git a/soul_diary/ui/app/middleware.py b/soul_diary/ui/app/middleware.py
index 8bcee65..8cad5e3 100644
--- a/soul_diary/ui/app/middleware.py
+++ b/soul_diary/ui/app/middleware.py
@@ -9,7 +9,6 @@ from soul_diary.ui.app.routes import AUTH, SENSE_LIST
 async def middleware(page: flet.Page, params: Params, basket: Basket):
     local_storage = LocalStorage(client_storage=page.client_storage)
     auth_data = await local_storage.get_auth_data()
-    # await local_storage._client_storage.clear_async()
     if auth_data is None:
         await page.go_async(AUTH)
         return
diff --git a/soul_diary/ui/app/middlewares/__init__.py b/soul_diary/ui/app/middlewares/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/soul_diary/ui/app/middlewares/base.py b/soul_diary/ui/app/middlewares/base.py
deleted file mode 100644
index a67834c..0000000
--- a/soul_diary/ui/app/middlewares/base.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from typing import Callable
-
-import flet
-from flet_route import Basket, Params
-
-
-class BaseMiddleware:
-    async def __call__(
-            self,
-            page: flet.Page,
-            params: Params,
-            basket: Basket,
-            next_handler: Callable,
-    ):
-        raise NotImplementedError
diff --git a/soul_diary/ui/app/pages/auth/choose_backend.py b/soul_diary/ui/app/pages/auth/choose_backend.py
new file mode 100644
index 0000000..0ce0826
--- /dev/null
+++ b/soul_diary/ui/app/pages/auth/choose_backend.py
@@ -0,0 +1,61 @@
+from functools import partial
+
+import flet
+
+from soul_diary.ui.app.models import BackendType
+from soul_diary.ui.app.pages.base import BasePage
+
+
+class ChooseBackendPage(BasePage):
+    BACKENDS = {
+        BackendType.LOCAL: "Локально",
+        BackendType.SOUL: "Soul Diary сервер",
+    }
+
+    def __init__(self, backend: BackendType | None = None):
+        self.backend: BackendType | None = backend
+
+        super().__init__()
+
+    def build(self) -> flet.Container:
+        label = flet.Container(
+            content=flet.Text("Выберите сервер"),
+            alignment=flet.alignment.center,
+        )
+        dropdown = flet.Dropdown(
+            label="Бэкенд",
+            options=[
+                flet.dropdown.Option(text=text, key=key.value)
+                for key, text in self.BACKENDS.items()
+            ],
+            value=None if self.backend is None else self.backend.value,
+            on_change=self.callback_change_backend,
+        )
+        connect_button = flet.ElevatedButton(
+            "Выбрать",
+            width=300,
+            height=50,
+            on_click=partial(self.callback_choose_backend, dropdown=dropdown),
+        )
+
+        return flet.Container(
+            content=flet.Column(
+                controls=[label, dropdown, connect_button],
+                width=300,
+            ),
+            alignment=flet.alignment.center,
+        )
+
+    async def callback_change_backend(self, event: flet.ControlEvent):
+        self.backend = BackendType(event.control.value)
+        event.control.error_text = None
+        await event.control.update_async()
+
+    async def callback_choose_backend(self, event: flet.ControlEvent, dropdown: flet.Dropdown):
+        if self.backend == BackendType.LOCAL:
+            await self.credentials_view(page=event.page)
+        elif self.backend == BackendType.SOUL:
+            await self.soul_server_data_view(page=event.page)
+        else:
+            dropdown.error_text = "Выберите тип бекенда"
+            await self.update_async()
diff --git a/soul_diary/ui/app/pages/auth/soul_backend_data.py b/soul_diary/ui/app/pages/auth/soul_backend_data.py
new file mode 100644
index 0000000..88b6589
--- /dev/null
+++ b/soul_diary/ui/app/pages/auth/soul_backend_data.py
@@ -0,0 +1,8 @@
+import flet
+
+from soul_diary.ui.app.pages.base import BasePage
+
+
+class SoulBackendDataPage(BasePage):
+    def build(self) -> flet.Container:
+        pass
diff --git a/soul_diary/ui/app/pages/base.py b/soul_diary/ui/app/pages/base.py
new file mode 100644
index 0000000..3914172
--- /dev/null
+++ b/soul_diary/ui/app/pages/base.py
@@ -0,0 +1,7 @@
+import flet
+
+
+class BasePage(flet.UserControl):
+    async def apply(self, page: flet.Page):
+        await page.clean_async()
+        await page.add_async(self)
diff --git a/soul_diary/ui/app/views/auth.py b/soul_diary/ui/app/views/auth.py
index a1f5615..01da409 100644
--- a/soul_diary/ui/app/views/auth.py
+++ b/soul_diary/ui/app/views/auth.py
@@ -1,6 +1,6 @@
 import asyncio
 from functools import partial
-from typing import Any, Callable, Sequence
+from typing import Any
 
 import flet
 from pydantic import AnyHttpUrl
@@ -8,7 +8,6 @@ from pydantic import AnyHttpUrl
 from soul_diary.ui.app.backend.exceptions import IncorrectCredentialsException, UserAlreadyExistsException
 from soul_diary.ui.app.backend.soul import SoulBackend
 from soul_diary.ui.app.local_storage import LocalStorage
-from soul_diary.ui.app.middlewares.base import BaseMiddleware
 from soul_diary.ui.app.models import BackendType, Options
 from soul_diary.ui.app.routes import AUTH, SENSE_LIST
 from soul_diary.ui.app.views.exceptions import SoulServerIncorrectURL
@@ -21,7 +20,6 @@ class AuthView(BaseView):
             local_storage: LocalStorage,
             backend: BackendType | None = None,
             backend_data: dict[str, Any] | None = None,
-            middlewares: Sequence[BaseMiddleware | Callable] = (),
     ):
         self.top_container: flet.Container
         self.center_container: flet.Container
@@ -33,7 +31,7 @@ class AuthView(BaseView):
         self.username: str | None = None
         self.password: str | None = None
 
-        super().__init__(local_storage=local_storage, middlewares=middlewares)
+        super().__init__(local_storage=local_storage)
 
     async def clear(self):
         self.top_container.content = None
@@ -81,7 +79,6 @@ class AuthView(BaseView):
         label = flet.Text("Выберите сервер")
         self.top_container.content = label
 
-        backend_controls = flet.Column()
         backend_dropdown = flet.Dropdown(
             label="Бэкенд",
             options=[
@@ -91,14 +88,7 @@ class AuthView(BaseView):
             value=None if self.backend is None else self.backend.value,
             on_change=self.callback_change_backend,
         )
-
-        container = flet.Container(
-            content=flet.Column(
-                controls=[backend_dropdown, backend_controls],
-                width=300,
-            ),
-        )
-        self.center_container.content = container
+        self.center_container.content = backend_dropdown
 
         connect_button = flet.ElevatedButton(
             "Выбрать",
diff --git a/soul_diary/ui/app/views/base.py b/soul_diary/ui/app/views/base.py
index ebf0467..ff9931a 100644
--- a/soul_diary/ui/app/views/base.py
+++ b/soul_diary/ui/app/views/base.py
@@ -1,6 +1,6 @@
+import asyncio
 from contextlib import asynccontextmanager
-from functools import partial, reduce
-from typing import Any, Callable, Sequence
+from typing import Any, Callable
 
 import flet
 from flet_route import Basket, Params
@@ -10,7 +10,6 @@ from soul_diary.ui.app.backend.exceptions import NonAuthenticatedException
 from soul_diary.ui.app.backend.local import LocalBackend
 from soul_diary.ui.app.backend.soul import SoulBackend
 from soul_diary.ui.app.local_storage import LocalStorage
-from soul_diary.ui.app.middlewares.base import BaseMiddleware
 from soul_diary.ui.app.models import BackendType
 
 
@@ -29,21 +28,6 @@ def view(initial: bool = False, disabled: bool = False):
     return decorator
 
 
-def setup_middlewares(function: Callable):
-    async def wrapper(self, page: flet.Page, params: Params, basket: Basket) -> flet.View:
-        entrypoint = partial(function, self)
-        if self.middlewares:
-            entrypoint = partial(self.middlewares[-1], next_handler=entrypoint)
-            entrypoint = reduce(
-                lambda entrypoint, function: partial(entrypoint, next_handler=function),
-                self.middlewares[-2::-1],
-                entrypoint,
-            )
-        return await entrypoint(page=page, params=params, basket=basket)
-
-    return wrapper
-
-
 class MetaView(type):
     def __init__(cls, name: str, bases: tuple[type], attrs: dict[str, Any]):
         super().__init__(name, bases, attrs)
@@ -76,28 +60,23 @@ class BaseView(metaclass=MetaView):
     is_abstract = True
     _initial_view: Callable | None
 
-    def __init__(
-            self,
-            local_storage: LocalStorage,
-            middlewares: Sequence[BaseMiddleware | Callable] = (),
-    ):
+    def __init__(self, local_storage: LocalStorage):
         self.local_storage = local_storage
-        self.middlewares = middlewares
 
         self.container: flet.Container
-        self.stack: flet.Stack
         self.view: flet.View
 
-    @setup_middlewares
     async def entrypoint(self, page: flet.Page, params: Params, basket: Basket) -> flet.View:
         self.container = flet.Container()
-        self.stack = flet.Stack(controls=[self.container])
-        self.view = flet.View(controls=[self.stack], route="/test")
+        self.view = flet.View(controls=[self.container])
 
         await self.setup()
         await self.clear()
         self.clear_data()
-        await self.run_initial_view(page=page)
+
+        loop = asyncio.get_running_loop()
+        loop.create_task(self.run_initial_view(page=page))
+
         return self.view
 
     async def setup(self):
@@ -111,21 +90,20 @@ class BaseView(metaclass=MetaView):
 
     @asynccontextmanager
     async def in_progress(self, page: flet.Page, tooltip: str | None = None):
-        for control in self.stack.controls:
-            control.disabled = True
-        self.stack.controls.append(
-            flet.Container(
+        self.container.disabled = True
+        page.splash = flet.Column(
+            controls=[flet.Container(
                 content=flet.ProgressRing(tooltip=tooltip),
                 alignment=flet.alignment.center,
-            ),
+            )],
+            alignment=flet.MainAxisAlignment.CENTER,
         )
         await page.update_async()
 
         yield
 
-        self.stack.controls.pop()
-        for control in self.stack.controls:
-            control.disabled = False
+        self.container.disabled = False
+        page.splash = None
         await page.update_async()
 
     async def run_initial_view(self, page: flet.Page):
diff --git a/soul_diary/ui/app/views/sense_add.py b/soul_diary/ui/app/views/sense_add.py
index 0932786..45ca878 100644
--- a/soul_diary/ui/app/views/sense_add.py
+++ b/soul_diary/ui/app/views/sense_add.py
@@ -1,10 +1,8 @@
 from functools import partial
-from typing import Awaitable, Callable, Sequence
 
 import flet
 
 from soul_diary.ui.app.local_storage import LocalStorage
-from soul_diary.ui.app.middlewares.base import BaseMiddleware
 from soul_diary.ui.app.models import Emotion
 from soul_diary.ui.app.routes import SENSE_ADD, SENSE_LIST
 from .base import BaseView, view
@@ -14,7 +12,6 @@ class SenseAddView(BaseView):
     def __init__(
             self,
             local_storage: LocalStorage,
-            middlewares: Sequence[BaseMiddleware | Callable[[flet.Page], Awaitable]] = (),
     ):
         self.title: flet.Text
         self.content_container: flet.Container
@@ -25,7 +22,7 @@ class SenseAddView(BaseView):
         self.body: str | None = None
         self.desires: str | None = None
 
-        super().__init__(local_storage=local_storage, middlewares=middlewares)
+        super().__init__(local_storage=local_storage)
 
     async def clear(self):
         self.title.value = ""
diff --git a/soul_diary/ui/app/views/sense_list.py b/soul_diary/ui/app/views/sense_list.py
index db8ce53..99d4266 100644
--- a/soul_diary/ui/app/views/sense_list.py
+++ b/soul_diary/ui/app/views/sense_list.py
@@ -1,12 +1,10 @@
 import asyncio
-from typing import Awaitable, Callable, Sequence
 
 import flet
 from soul_diary.ui.app.backend.exceptions import NonAuthenticatedException
 
 from soul_diary.ui.app.local_storage import LocalStorage
-from soul_diary.ui.app.middlewares.base import BaseMiddleware
-from soul_diary.ui.app.models import BackendType, Sense
+from soul_diary.ui.app.models import Sense
 from soul_diary.ui.app.routes import AUTH, SENSE_ADD, SENSE_LIST
 from .base import BaseView, view
 
@@ -15,13 +13,12 @@ class SenseListView(BaseView):
     def __init__(
             self,
             local_storage: LocalStorage,
-            middlewares: Sequence[BaseMiddleware | Callable[[flet.Page], Awaitable]] = (),
     ):
         self.cards: flet.Column
 
         self.local_storage = local_storage
 
-        super().__init__(local_storage=local_storage, middlewares=middlewares)
+        super().__init__(local_storage=local_storage)
 
     async def setup(self):
         self.cards = flet.Column(alignment=flet.alignment.center, width=400)
@@ -97,5 +94,6 @@ class SenseListView(BaseView):
 
     async def callback_logout(self, event: flet.ControlEvent):
         backend_client = await self.get_backend_client()
-        await backend_client.logout()
+        async with self.in_progress(page=event.page):
+            await backend_client.logout()
         await event.page.go_async(AUTH)
diff --git a/soul_diary/ui/web/service.py b/soul_diary/ui/web/service.py
index 77b5efc..e8bd407 100644
--- a/soul_diary/ui/web/service.py
+++ b/soul_diary/ui/web/service.py
@@ -25,8 +25,9 @@ class WebService(ServiceMixin):
 
     async def start(self):
         app = flet_fastapi.app(SoulDiaryApp(
-            backend=BackendType.SOUL,
-            backend_data=self._backend_data,
+            # backend=BackendType.SOUL,
+            # backend_data=self._backend_data,
+            # backend=BackendType.LOCAL,
         ).run)
         config = uvicorn.Config(app=app, host="0.0.0.0", port=self._port)
         server = UvicornServer(config)