diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 492e413..2ebcf6f 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -48,7 +48,13 @@ dependencies {
     implementation(Dependencies.Retrofit.gsonConverter)
     implementation("com.squareup.okhttp3:logging-interceptor:4.10.0")
 
-    implementation("com.squareup.picasso:picasso:2.8")
+    // Убираем Picasso
+    // implementation("com.squareup.picasso:picasso:2.8")
+
+    // Добавляем Glide
+    implementation("com.github.bumptech.glide:glide:4.14.2")
+    kapt("com.github.bumptech.glide:compiler:4.14.2")
+
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.1")
     implementation("androidx.datastore:datastore-preferences:1.1.2")
     implementation("com.google.mlkit:barcode-scanning:17.3.0")
diff --git a/app/src/main/java/ru/myitschool/work/api/NetworkModule.kt b/app/src/main/java/ru/myitschool/work/api/NetworkModule.kt
index 205c1c3..3b19c42 100644
--- a/app/src/main/java/ru/myitschool/work/api/NetworkModule.kt
+++ b/app/src/main/java/ru/myitschool/work/api/NetworkModule.kt
@@ -6,6 +6,7 @@ import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import dagger.hilt.android.qualifiers.ApplicationContext
+import ru.myitschool.work.api.admin.ApiServiceAdmin
 import ru.myitschool.work.api.list.ApiServiceList
 import ru.myitschool.work.api.login.ApiServiceLogin
 import ru.myitschool.work.api.main.ApiServiceMain
@@ -45,4 +46,10 @@ object NetworkModule {
     fun provideListApiService(retrofitClient: RetrofitClient): ApiServiceList {
         return retrofitClient.getApiServiceList()
     }
+
+    @Provides
+    @Singleton
+    fun provideApiServiceAdmin(retrofitClient: RetrofitClient): ApiServiceAdmin {
+        return retrofitClient.getApiServiceAdmin()
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/RetrofitClient.kt b/app/src/main/java/ru/myitschool/work/api/RetrofitClient.kt
index ce4b061..01f981e 100644
--- a/app/src/main/java/ru/myitschool/work/api/RetrofitClient.kt
+++ b/app/src/main/java/ru/myitschool/work/api/RetrofitClient.kt
@@ -1,11 +1,11 @@
 package ru.myitschool.work.api
 
 import android.content.Context
-import com.google.android.datatransport.BuildConfig
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
 import retrofit2.Retrofit
 import retrofit2.converter.gson.GsonConverterFactory
+import ru.myitschool.work.api.admin.ApiServiceAdmin
 import ru.myitschool.work.api.list.ApiServiceList
 import ru.myitschool.work.api.login.ApiServiceLogin
 import ru.myitschool.work.api.main.ApiServiceMain
@@ -57,4 +57,8 @@ class RetrofitClient(context: Context) {
     fun getApiServiceList(): ApiServiceList {
         return retrofitWithAuth.create(ApiServiceList::class.java)
     }
+    fun getApiServiceAdmin(): ApiServiceAdmin {
+        return retrofitWithAuth.create(ApiServiceAdmin::class.java)
+    }
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/admin/AdminJson.kt b/app/src/main/java/ru/myitschool/work/api/admin/AdminJson.kt
new file mode 100644
index 0000000..34993c3
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/api/admin/AdminJson.kt
@@ -0,0 +1,7 @@
+package ru.myitschool.work.api.admin
+
+import com.google.gson.annotations.SerializedName
+
+class AdminJson(
+    @SerializedName("authority") var authority: String? = null,
+)
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/admin/ApiServiceAdmin.kt b/app/src/main/java/ru/myitschool/work/api/admin/ApiServiceAdmin.kt
new file mode 100644
index 0000000..e31acd3
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/api/admin/ApiServiceAdmin.kt
@@ -0,0 +1,16 @@
+package ru.myitschool.work.api.admin
+
+import retrofit2.Response
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.PATCH
+import retrofit2.http.Path
+import ru.myitschool.work.api.main.UserInfo
+
+interface ApiServiceAdmin {
+    @PATCH("api/admin/authority/change/{login}")
+    suspend fun block(
+        @Path("login") login: String,
+        @Body data: AdminJson
+    ): Response<Void>
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/list/ApiServiceList.kt b/app/src/main/java/ru/myitschool/work/api/list/ApiServiceList.kt
index c92f80e..86105a3 100644
--- a/app/src/main/java/ru/myitschool/work/api/list/ApiServiceList.kt
+++ b/app/src/main/java/ru/myitschool/work/api/list/ApiServiceList.kt
@@ -5,6 +5,6 @@ import retrofit2.http.GET
 import retrofit2.http.Path
 
 interface ApiServiceList {
-    @GET("api/list/{login}")
+    @GET("api/user/list/{login}")
     suspend fun getList(@Path("login") login: String): Response<List<ListInfo>>
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/login/ApiServiceLogin.kt b/app/src/main/java/ru/myitschool/work/api/login/ApiServiceLogin.kt
index 51dd1d0..451c80b 100644
--- a/app/src/main/java/ru/myitschool/work/api/login/ApiServiceLogin.kt
+++ b/app/src/main/java/ru/myitschool/work/api/login/ApiServiceLogin.kt
@@ -1,13 +1,9 @@
 package ru.myitschool.work.api.login
 
 import retrofit2.Call
-import retrofit2.http.Body
 import retrofit2.http.GET
-import retrofit2.http.POST
-import retrofit2.http.Path
-import ru.myitschool.work.api.main.UserInfo
 
 interface ApiServiceLogin {
-    @GET("api/login")
+    @GET("api/user/login")
     fun authenticate(): Call<Void>
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/main/ApiServiceMain.kt b/app/src/main/java/ru/myitschool/work/api/main/ApiServiceMain.kt
index c99468c..7b3a832 100644
--- a/app/src/main/java/ru/myitschool/work/api/main/ApiServiceMain.kt
+++ b/app/src/main/java/ru/myitschool/work/api/main/ApiServiceMain.kt
@@ -5,6 +5,6 @@ import retrofit2.http.GET
 import retrofit2.http.Path
 
 interface ApiServiceMain {
-    @GET("api/info/{login}")
+    @GET("api/user/info/{login}")
     fun getDataUser(@Path("login") login: String): Call<UserInfo>
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/main/UserInfo.kt b/app/src/main/java/ru/myitschool/work/api/main/UserInfo.kt
index 31fc8d1..617cd2a 100644
--- a/app/src/main/java/ru/myitschool/work/api/main/UserInfo.kt
+++ b/app/src/main/java/ru/myitschool/work/api/main/UserInfo.kt
@@ -9,15 +9,16 @@ data class UserInfo(
     @SerializedName("photo") val photoUrl: String,
     @SerializedName("position") val position: String,
     @SerializedName("lastVisit") val lastVisit: String,
-) {
-    companion object {
-        val Initial = UserInfo(
-            id = 0,
-            login = "",
-            name = "",
-            photoUrl = "",
-            position = "",
-            lastVisit = "",
-        )
-    }
+    @SerializedName("authority") val authority: List<AuthorityData>
+)
+
+data class AuthorityData(
+    @SerializedName("id") val id: Int,
+    @SerializedName("authority") val authority: String,
+)
+
+object Authorities {
+    const val ROLE_ADMIN = "ROLE_ADMIN"
+    const val ROLE_USER = "ROLE_USER"
+    const val ROLE_BLOCK = "ROLE_BLOCK"
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/api/scan/ApiServiceScan.kt b/app/src/main/java/ru/myitschool/work/api/scan/ApiServiceScan.kt
index e83ffd4..8eadd2d 100644
--- a/app/src/main/java/ru/myitschool/work/api/scan/ApiServiceScan.kt
+++ b/app/src/main/java/ru/myitschool/work/api/scan/ApiServiceScan.kt
@@ -6,6 +6,6 @@ import retrofit2.http.POST
 import retrofit2.http.Path
 
 interface ApiServiceScan {
-    @POST("api/add/{login}")
+    @POST("api/user/add/{login}")
     fun open(@Path("login") login: String, @Body data: CodeJson): Call<Void>
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/RootActivity.kt b/app/src/main/java/ru/myitschool/work/ui/RootActivity.kt
index 8f1b5fe..2eadf1a 100644
--- a/app/src/main/java/ru/myitschool/work/ui/RootActivity.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/RootActivity.kt
@@ -36,6 +36,7 @@ class RootActivity : AppCompatActivity() {
                 fragment<QrScanFragment, QrScanDestination>()
                 fragment<MainFragment, MainDestination>()
                 fragment<ResultFragment, ResultDestination>()
+                /*fragment<AdminFragment, AdminDestination>()*/
             }
         }
 
diff --git a/app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.kt b/app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.kt
index 60695ac..7894194 100644
--- a/app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.kt
@@ -104,8 +104,6 @@ class LoginFragment : Fragment(R.layout.fragment_login) {
                         text = "Ошибка авторизации"
                     }
 
-                    authPreferences.clearLoginState()
-
                     Log.d("Authentication", "Ошибка авторизации")
                 }
 
diff --git a/app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.kt b/app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.kt
index 8996957..699e12d 100644
--- a/app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/login/LoginViewModel.kt
@@ -36,7 +36,7 @@ class LoginViewModel @Inject constructor(
                             _state.value = LoginState.InvalidCredentials
                         }
                         401 -> {
-                            _state.value = LoginState.Error
+                            _state.value = LoginState.InvalidCredentials
                         }
                         else -> {
                             _state.value = LoginState.Error
diff --git a/app/src/main/java/ru/myitschool/work/ui/main/MainFragment.kt b/app/src/main/java/ru/myitschool/work/ui/main/MainFragment.kt
index b4b1ede..00f0012 100644
--- a/app/src/main/java/ru/myitschool/work/ui/main/MainFragment.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/main/MainFragment.kt
@@ -8,9 +8,9 @@ import androidx.fragment.app.viewModels
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
-import com.squareup.picasso.Picasso
 import dagger.hilt.android.AndroidEntryPoint
 import ru.myitschool.work.R
+import ru.myitschool.work.api.main.Authorities
 import ru.myitschool.work.databinding.FragmentMainBinding
 import ru.myitschool.work.ui.list.ListAdapter
 import ru.myitschool.work.ui.login.LoginDestination
@@ -100,6 +100,16 @@ class MainFragment : Fragment(R.layout.fragment_main) {
                         username.text = state.userInfo.name
                         position.text = state.userInfo.position
 
+
+                        if (state.userInfo.authority[0].authority == Authorities.ROLE_ADMIN) {
+                            admin.visibleOrGone(true)
+                        } else if (state.userInfo.authority[0].authority == Authorities.ROLE_USER) {
+                            admin.visibleOrGone(false)
+                        } else {
+                            admin.visibleOrGone(false)
+                            Log.e("MainFragment", "Unknown role")
+                        }
+
                         loadImageFromUrl(state.userInfo.photoUrl)
 
                         val inputFormat = java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.getDefault())
@@ -107,7 +117,8 @@ class MainFragment : Fragment(R.layout.fragment_main) {
 
                         try {
                             val parsedDate = inputFormat.parse(state.userInfo.lastVisit)
-                            lastEntry.text = parsedDate?.let { outputFormat.format(it) } ?: state.userInfo.lastVisit
+                            lastEntry.text = parsedDate?.let { outputFormat.format(it) }
+                                ?: state.userInfo.lastVisit
                         } catch (e: Exception) {
                             lastEntry.text = state.userInfo.lastVisit
                         }
@@ -125,13 +136,13 @@ class MainFragment : Fragment(R.layout.fragment_main) {
         viewModel.listState.collectWhenStarted(this) { state ->
             when (state) {
                 is MainViewModel.ListState.Loading -> {
-                    //TODO
+                    hideAll()
                 }
                 is MainViewModel.ListState.Success -> {
                     listAdapter.submitList(state.data)
                 }
                 is MainViewModel.ListState.Error -> {
-                    //TODO
+                    hideAll()
                     binding.error.text = state.message
                 }
             }
@@ -139,11 +150,7 @@ class MainFragment : Fragment(R.layout.fragment_main) {
     }
 
     private fun loadImageFromUrl(url: String) {
-        Picasso
-            .get()
-            .load(url)
-            .error(R.drawable.icon_profile)
-            .into(binding.photo)
+
     }
 
     private fun setupMainComponents() {
@@ -152,6 +159,10 @@ class MainFragment : Fragment(R.layout.fragment_main) {
             navigateToLogin()
         }
 
+        binding.admin.setOnClickListener {
+            navigateToAdmin()
+        }
+
         binding.refresh.setOnClickListener {
             viewModel.getUserData(authPreferences.getLogin() ?: "")
         }
@@ -173,6 +184,19 @@ class MainFragment : Fragment(R.layout.fragment_main) {
         }
     }
 
+
+    private fun navigateToAdmin() {
+        try {/*
+            authPreferences.clearLoginState()
+            findNavController().apply {
+                popBackStack(AdminDestination, false)
+                navigate(AdminDestination)
+            }*/
+        } catch (e: Exception) {
+            Log.e("MainFragment", "Error navigating to login", e)
+        }
+    }
+
     override fun onDestroyView() {
         super.onDestroyView()
         _binding = null
diff --git a/app/src/main/java/ru/myitschool/work/ui/main/MainViewModel.kt b/app/src/main/java/ru/myitschool/work/ui/main/MainViewModel.kt
index 73c6a29..286a0ed 100644
--- a/app/src/main/java/ru/myitschool/work/ui/main/MainViewModel.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/main/MainViewModel.kt
@@ -36,12 +36,15 @@ class MainViewModel @Inject constructor(
 
                     when {
                         response.isSuccessful -> {
-                            val userInfo = response.body() ?: UserInfo.Initial
-                            _state.value = MainState.Success(userInfo)
+                            val userInfo = response.body()
+                            _state.value = userInfo?.let { MainState.Success(it) }!!
                         }
                         response.code() == 401 -> {
                             _state.value = MainState.Error("Unauthorized")
                         }
+                        response.code() == 403 -> {
+                            _state.value = MainState.Error("Block")
+                        }
                         else -> {
                             _state.value = MainState.Error("Error")
                         }
diff --git a/app/src/main/res/drawable/baseline_admin_panel_settings_24.xml b/app/src/main/res/drawable/baseline_admin_panel_settings_24.xml
new file mode 100644
index 0000000..e8b27be
--- /dev/null
+++ b/app/src/main/res/drawable/baseline_admin_panel_settings_24.xml
@@ -0,0 +1,7 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
+      
+    <path android:fillColor="@android:color/white" android:pathData="M17,11c0.34,0 0.67,0.04 1,0.09V6.27L10.5,3L3,6.27v4.91c0,4.54 3.2,8.79 7.5,9.82c0.55,-0.13 1.08,-0.32 1.6,-0.55C11.41,19.47 11,18.28 11,17C11,13.69 13.69,11 17,11z"/>
+      
+    <path android:fillColor="@android:color/white" android:pathData="M17,13c-2.21,0 -4,1.79 -4,4c0,2.21 1.79,4 4,4s4,-1.79 4,-4C21,14.79 19.21,13 17,13zM17,14.38c0.62,0 1.12,0.51 1.12,1.12s-0.51,1.12 -1.12,1.12s-1.12,-0.51 -1.12,-1.12S16.38,14.38 17,14.38zM17,19.75c-0.93,0 -1.74,-0.46 -2.24,-1.17c0.05,-0.72 1.51,-1.08 2.24,-1.08s2.19,0.36 2.24,1.08C18.74,19.29 17.93,19.75 17,19.75z"/>
+    
+</vector>
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
index 9a5efcd..4a92509 100644
--- a/app/src/main/res/layout/fragment_main.xml
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -33,13 +33,14 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+
     <View
         android:id="@+id/admin"
         android:layout_width="44dp"
         android:layout_height="44dp"
         android:layout_marginTop="20dp"
         android:layout_marginEnd="20dp"
-        android:background="@drawable/ic_admin"
+        android:background="@drawable/baseline_admin_panel_settings_24"
         app:layout_constraintEnd_toStartOf="@+id/refresh"
         app:layout_constraintTop_toTopOf="parent" />