diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8c8e329..779eaa1 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,6 +15,10 @@
         <activity
             android:name=".ui.layout.MainActivity"
             android:exported="true"
+            android:theme="@style/Theme.UNN" />
+        <activity
+            android:name=".ui.layout.LoginActivity"
+            android:exported="true"
             android:theme="@style/Theme.UNN">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -22,10 +26,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity
-            android:name=".ui.layout.LoginActivity"
-            android:exported="true"
-            android:theme="@style/Theme.UNN"/>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/ru/sweetbread/unn/ui/layout/LoginActivity.kt b/app/src/main/java/ru/sweetbread/unn/ui/layout/LoginActivity.kt
index e8915bf..bc4595e 100644
--- a/app/src/main/java/ru/sweetbread/unn/ui/layout/LoginActivity.kt
+++ b/app/src/main/java/ru/sweetbread/unn/ui/layout/LoginActivity.kt
@@ -36,14 +36,30 @@ import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 import ru.sweetbread.unn.R
 import ru.sweetbread.unn.ui.auth
 import ru.sweetbread.unn.ui.theme.UNNTheme
 import splitties.activities.start
+import splitties.preferences.Preferences
+
+object LoginData : Preferences("loginData") {
+    var login by stringPref("login", "")
+    var password by stringPref("password", "")
+}
 
 class LoginActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
+        if ((LoginData.login != "") and (LoginData.password != ""))
+            runBlocking {
+                if (auth()) {
+                    start<MainActivity>()
+                    finish()
+                }
+            }
+
         setContent {
             UNNTheme {
                 Surface(
@@ -62,13 +78,14 @@ class LoginActivity : ComponentActivity() {
                             LoginData.login = login
                             LoginData.password = password
                             start<MainActivity>()
+                            finish()
                         }, {
                             scope.launch {
 
                                 snackbarHostState
                                     .showSnackbar(
                                         message = "Error",
-                                        duration = SnackbarDuration.Long
+                                        duration = SnackbarDuration.Short
                                     )
                             }
                         })
diff --git a/app/src/main/java/ru/sweetbread/unn/ui/layout/MainActivity.kt b/app/src/main/java/ru/sweetbread/unn/ui/layout/MainActivity.kt
index f09c5bb..ac3fdd3 100644
--- a/app/src/main/java/ru/sweetbread/unn/ui/layout/MainActivity.kt
+++ b/app/src/main/java/ru/sweetbread/unn/ui/layout/MainActivity.kt
@@ -4,86 +4,38 @@ import android.os.Bundle
 import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.aspectRatio
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.offset
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
-import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.AccountBox
 import androidx.compose.material.icons.filled.DateRange
 import androidx.compose.material.icons.filled.Home
 import androidx.compose.material3.Icon
-import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.NavigationBar
 import androidx.compose.material3.NavigationBarItem
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.style.TextOverflow
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.zIndex
-import androidx.navigation.NavType
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
-import androidx.navigation.navArgument
-import com.kizitonwose.calendar.compose.WeekCalendar
-import com.kizitonwose.calendar.compose.weekcalendar.rememberWeekCalendarState
 import io.ktor.client.HttpClient
 import io.ktor.client.plugins.HttpRequestRetry
 import io.ktor.client.plugins.HttpTimeout
 import io.ktor.client.plugins.cache.HttpCache
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.runBlocking
-import ru.sweetbread.unn.ui.Auditorium
-import ru.sweetbread.unn.ui.Building
-import ru.sweetbread.unn.ui.Discipline
-import ru.sweetbread.unn.ui.KindOfWork
-import ru.sweetbread.unn.ui.Lecturer
-import ru.sweetbread.unn.ui.LecturerRank
-import ru.sweetbread.unn.ui.ScheduleUnit
-import ru.sweetbread.unn.ui.auth
-import ru.sweetbread.unn.ui.getSchedule
-import ru.sweetbread.unn.ui.theme.UNNTheme
-import splitties.activities.start
-import splitties.preferences.Preferences
-import splitties.toast.toast
-import java.time.DayOfWeek
-import java.time.LocalDate
-import java.time.LocalTime
-import java.time.format.DateTimeFormatter
-import io.ktor.client.plugins.logging.*
-import ru.sweetbread.unn.ui.Type
+import io.ktor.client.plugins.logging.LogLevel
+import io.ktor.client.plugins.logging.Logger
+import io.ktor.client.plugins.logging.Logging
 import ru.sweetbread.unn.ui.composes.Schedule
-import ru.sweetbread.unn.ui.composes.ScheduleDay
-
-object LoginData : Preferences("loginData") {
-    var login by stringPref("login", "")
-    var password by stringPref("password", "")
-}
+import ru.sweetbread.unn.ui.theme.UNNTheme
+import splitties.toast.toast
 
 val client = HttpClient {
     install(HttpCache)
@@ -111,12 +63,6 @@ class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-
-        if (LoginData.login.isEmpty() or LoginData.password.isEmpty()) start<LoginActivity>()
-        runBlocking {
-            if (!auth()) start<LoginActivity>()
-        }
-
         setContent {
             UNNTheme {
                 Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colorScheme.background) {