diff --git a/app/src/main/java/com/example/mobileapp/MainActivity.kt b/app/src/main/java/com/example/mobileapp/MainActivity.kt
index c15646a..bf8a803 100644
--- a/app/src/main/java/com/example/mobileapp/MainActivity.kt
+++ b/app/src/main/java/com/example/mobileapp/MainActivity.kt
@@ -29,7 +29,7 @@ class MainActivity : ComponentActivity() {
     val database by lazy { MobileAppDataBase.getInstance(this) }
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        this.deleteDatabase("mobileApp.db")
+        this.deleteDatabase("my-db")
         CoroutineScope(Dispatchers.IO).launch {
             MobileAppDataBase.initialDataBase()
         }
diff --git a/app/src/main/java/com/example/mobileapp/database/MobileAppDataBase.kt b/app/src/main/java/com/example/mobileapp/database/MobileAppDataBase.kt
index f85ee95..6657f79 100644
--- a/app/src/main/java/com/example/mobileapp/database/MobileAppDataBase.kt
+++ b/app/src/main/java/com/example/mobileapp/database/MobileAppDataBase.kt
@@ -19,7 +19,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
-@Database(entities = [User::class, Story::class, Mail::class], version = 4)
+@Database(entities = [User::class, Story::class, Mail::class], version = 1, exportSchema = false)
 @TypeConverters(Converters::class)
 abstract class MobileAppDataBase : RoomDatabase() {
     abstract fun userDao(): UserDao
@@ -27,7 +27,7 @@ abstract class MobileAppDataBase : RoomDatabase() {
     abstract fun mailDao(): MailDao
 
     companion object{
-        private const val DB_NAME: String = "mobileApp.db"
+        private const val DB_NAME: String = "my-db"
 
         @Volatile
         private var INSTANCE: MobileAppDataBase? = null