diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8082415d18b..4002495a8a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 ## 0.2.7
 
+* `Versions`:
+    * `Coroutines`: `1.4.0` -> `1.4.1`
+* `Repos`:
+    * `WriteStandardKeyValueRepo` got new methods `set` and `unset` with collections
+    * All standard realizations of repos got collections methods realizations
+    * `Ktor`:
+        * `Server`:
+            * Fixed incorrect answer for `keyvalue`
+
 ## 0.2.6
 
 * `Pagination`
diff --git a/gradle.properties b/gradle.properties
index f4717c4c706..84c55359729 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 kotlin_version=1.4.10
-kotlin_coroutines_version=1.4.0
+kotlin_coroutines_version=1.4.1
 kotlin_serialisation_core_version=1.0.1
 kotlin_exposed_version=0.28.1
 
diff --git a/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/OneToManyKeyValueRepo.kt b/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/OneToManyKeyValueRepo.kt
index d21048b6db0..bbc25228592 100644
--- a/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/OneToManyKeyValueRepo.kt
+++ b/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/OneToManyKeyValueRepo.kt
@@ -43,21 +43,13 @@ interface WriteOneToManyKeyValueRepo<Key, Value> : Repo {
     val onValueRemoved: Flow<Pair<Key, Value>>
     val onDataCleared: Flow<Key>
 
-    suspend fun add(toAdd: Map<Key, List<Value>>) = toAdd.forEach { (k, values) ->
-        values.forEach { v ->
-            add(k, v)
-        }
-    }
+    suspend fun add(toAdd: Map<Key, List<Value>>)
     @Deprecated("Will be extracted as extension for other add method")
-    suspend fun add(k: Key, v: Value)
+    suspend fun add(k: Key, v: Value) = add(mapOf(k to listOf(v)))
 
-    suspend fun remove(toRemove: Map<Key, List<Value>>) = toRemove.forEach { (k, values) ->
-        values.forEach { v ->
-            remove(k, v)
-        }
-    }
+    suspend fun remove(toRemove: Map<Key, List<Value>>)
     @Deprecated("Will be extracted as extension for other remove method")
-    suspend fun remove(k: Key, v: Value)
+    suspend fun remove(k: Key, v: Value) = remove(mapOf(k to listOf(v)))
 
     suspend fun clear(k: Key)
 }
diff --git a/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/StandartKeyValueRepo.kt b/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/StandartKeyValueRepo.kt
index a2666571db6..62780db7012 100644
--- a/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/StandartKeyValueRepo.kt
+++ b/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/StandartKeyValueRepo.kt
@@ -16,8 +16,16 @@ interface WriteStandardKeyValueRepo<Key, Value> : Repo {
     val onNewValue: Flow<Pair<Key, Value>>
     val onValueRemoved: Flow<Key>
 
+    @Deprecated("Realize set with map instead")
     suspend fun set(k: Key, v: Value)
+    suspend fun set(toSet: Map<Key, Value>) = toSet.forEach { (k, v) ->
+        set(k, v)
+    }
+    @Deprecated("Realize unset with list instead")
     suspend fun unset(k: Key)
+    suspend fun unset(toUnset: List<Key>) = toUnset.forEach {
+        unset(it)
+    }
 }
 
 interface StandardKeyValueRepo<Key, Value> : ReadStandardKeyValueRepo<Key, Value>, WriteStandardKeyValueRepo<Key, Value>
\ No newline at end of file
diff --git a/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/keyvalue/ExposedKeyValueRepo.kt b/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/keyvalue/ExposedKeyValueRepo.kt
index 4e4a9254894..3551e591e39 100644
--- a/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/keyvalue/ExposedKeyValueRepo.kt
+++ b/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/keyvalue/ExposedKeyValueRepo.kt
@@ -2,10 +2,8 @@ package dev.inmo.micro_utils.repos.exposed.keyvalue
 
 import dev.inmo.micro_utils.repos.StandardKeyValueRepo
 import dev.inmo.micro_utils.repos.exposed.ColumnAllocator
-import kotlinx.coroutines.channels.BroadcastChannel
 import kotlinx.coroutines.channels.Channel
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.asFlow
+import kotlinx.coroutines.flow.*
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.transactions.transaction
 
@@ -20,11 +18,11 @@ open class ExposedKeyValueRepo<Key, Value>(
     valueColumnAllocator,
     tableName
 ) {
-    private val onNewValueChannel = BroadcastChannel<Pair<Key, Value>>(Channel.BUFFERED)
-    private val onValueRemovedChannel = BroadcastChannel<Key>(Channel.BUFFERED)
+    private val _onNewValue = MutableSharedFlow<Pair<Key, Value>>(Channel.BUFFERED)
+    private val _onValueRemoved = MutableSharedFlow<Key>(Channel.BUFFERED)
 
-    override val onNewValue: Flow<Pair<Key, Value>> = onNewValueChannel.asFlow()
-    override val onValueRemoved: Flow<Key> = onValueRemovedChannel.asFlow()
+    override val onNewValue: Flow<Pair<Key, Value>> = _onNewValue.asSharedFlow()
+    override val onValueRemoved: Flow<Key> = _onValueRemoved.asSharedFlow()
 
     override suspend fun set(k: Key, v: Value) {
         transaction(database) {
@@ -39,14 +37,50 @@ open class ExposedKeyValueRepo<Key, Value>(
                 }
             }
         }
-        onNewValueChannel.send(k to v)
+        _onNewValue.emit(k to v)
+    }
+
+    override suspend fun set(toSet: Map<Key, Value>) {
+        transaction(database) {
+            toSet.mapNotNull { (k, v) ->
+                if (update({ keyColumn.eq(k) }) { it[valueColumn] = v } > 0) {
+                    k to v
+                } else {
+                    val inserted = insert {
+                        it[keyColumn] = k
+                        it[valueColumn] = v
+                    }.getOrNull(keyColumn) != null
+                    if (inserted) {
+                        k to v
+                    } else {
+                        null
+                    }
+                }
+            }
+        }.forEach {
+            _onNewValue.emit(it)
+        }
     }
 
     override suspend fun unset(k: Key) {
         transaction(database) {
             deleteWhere { keyColumn.eq(k) }
         }
-        onValueRemovedChannel.send(k)
+        _onValueRemoved.emit(k)
+    }
+
+    override suspend fun unset(toUnset: List<Key>) {
+        transaction(database) {
+            toUnset.mapNotNull {
+                if (deleteWhere { keyColumn.eq(it) } > 0) {
+                    it
+                } else {
+                    null
+                }
+            }
+        }.forEach {
+            _onValueRemoved.emit(it)
+        }
     }
 }
 
diff --git a/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/onetomany/ExposedOneToManyKeyValueRepo.kt b/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/onetomany/ExposedOneToManyKeyValueRepo.kt
index fec7fbdc940..f1b0aca4b1d 100644
--- a/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/onetomany/ExposedOneToManyKeyValueRepo.kt
+++ b/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/onetomany/ExposedOneToManyKeyValueRepo.kt
@@ -3,7 +3,7 @@ package dev.inmo.micro_utils.repos.exposed.onetomany
 import dev.inmo.micro_utils.coroutines.BroadcastFlow
 import dev.inmo.micro_utils.repos.OneToManyKeyValueRepo
 import dev.inmo.micro_utils.repos.exposed.ColumnAllocator
-import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.*
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.transactions.transaction
 
@@ -18,13 +18,13 @@ open class ExposedOneToManyKeyValueRepo<Key, Value>(
     valueColumnAllocator,
     tableName
 ) {
-    protected val _onNewValue: BroadcastFlow<Pair<Key, Value>> = BroadcastFlow()
+    protected val _onNewValue: MutableSharedFlow<Pair<Key, Value>> = MutableSharedFlow()
     override val onNewValue: Flow<Pair<Key, Value>>
         get() = _onNewValue
-    protected val _onValueRemoved: BroadcastFlow<Pair<Key, Value>> = BroadcastFlow()
+    protected val _onValueRemoved: MutableSharedFlow<Pair<Key, Value>> = MutableSharedFlow()
     override val onValueRemoved: Flow<Pair<Key, Value>>
         get() = _onValueRemoved
-    protected val _onDataCleared: BroadcastFlow<Key> = BroadcastFlow()
+    protected val _onDataCleared: MutableSharedFlow<Key> = MutableSharedFlow()
     override val onDataCleared: Flow<Key>
         get() = _onDataCleared
 
@@ -34,19 +34,42 @@ open class ExposedOneToManyKeyValueRepo<Key, Value>(
                 it[keyColumn] = k
                 it[valueColumn] = v
             }
-        }.also { _onNewValue.send(k to v) }
+        }.also { _onNewValue.emit(k to v) }
     }
 
-    override suspend fun remove(k: Key, v: Value) {
+    override suspend fun add(toAdd: Map<Key, List<Value>>) {
         transaction(database) {
-            deleteWhere { keyColumn.eq(k).and(valueColumn.eq(v)) }
-        }.also { _onValueRemoved.send(k to v) }
+            toAdd.keys.flatMap { k ->
+                toAdd[k] ?.mapNotNull { v ->
+                    insertIgnore {
+                        it[keyColumn] = k
+                        it[valueColumn] = v
+                    }.getOrNull(keyColumn) ?.let { k to v }
+                } ?: emptyList()
+            }
+        }.forEach { _onNewValue.emit(it) }
+    }
+
+    override suspend fun remove(toRemove: Map<Key, List<Value>>) {
+        transaction(database) {
+            toRemove.keys.flatMap { k ->
+                toRemove[k] ?.mapNotNull { v ->
+                    if (deleteIgnoreWhere { keyColumn.eq(k).and(valueColumn.eq(v)) } > 0 ) {
+                        k to v
+                    } else {
+                        null
+                    }
+                } ?: emptyList()
+            }
+        }.forEach {
+            _onValueRemoved.emit(it)
+        }
     }
 
     override suspend fun clear(k: Key) {
         transaction(database) {
             deleteWhere { keyColumn.eq(k) }
-        }.also { _onDataCleared.send(k) }
+        }.also { _onDataCleared.emit(k) }
     }
 }
 
diff --git a/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapKeyValueRepo.kt b/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapKeyValueRepo.kt
index 221a1110441..2456e04d5b1 100644
--- a/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapKeyValueRepo.kt
+++ b/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapKeyValueRepo.kt
@@ -6,6 +6,7 @@ import dev.inmo.micro_utils.pagination.PaginationResult
 import dev.inmo.micro_utils.pagination.utils.paginate
 import dev.inmo.micro_utils.pagination.utils.reverse
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableSharedFlow
 
 class ReadMapKeyValueRepo<Key, Value>(
     private val map: Map<Key, Value> = emptyMap()
@@ -47,20 +48,31 @@ class ReadMapKeyValueRepo<Key, Value>(
 class WriteMapKeyValueRepo<Key, Value>(
     private val map: MutableMap<Key, Value> = mutableMapOf()
 ) : WriteStandardKeyValueRepo<Key, Value> {
-    private val _onNewValue: BroadcastFlow<Pair<Key, Value>> = BroadcastFlow()
+    private val _onNewValue: MutableSharedFlow<Pair<Key, Value>> = MutableSharedFlow()
     override val onNewValue: Flow<Pair<Key, Value>>
         get() = _onNewValue
-    private val _onValueRemoved: BroadcastFlow<Key> = BroadcastFlow()
+    private val _onValueRemoved: MutableSharedFlow<Key> = MutableSharedFlow()
     override val onValueRemoved: Flow<Key>
         get() = _onValueRemoved
 
     override suspend fun set(k: Key, v: Value) {
         map[k] = v
-        _onNewValue.send(k to v)
+        _onNewValue.emit(k to v)
+    }
+
+    override suspend fun set(toSet: Map<Key, Value>) {
+        map.putAll(toSet)
+        toSet.forEach { (k, v) -> _onNewValue.emit(k to v) }
     }
 
     override suspend fun unset(k: Key) {
-        map.remove(k) ?.also { _onValueRemoved.send(k) }
+        map.remove(k) ?.also { _onValueRemoved.emit(k) }
+    }
+
+    override suspend fun unset(toUnset: List<Key>) {
+        toUnset.forEach { k ->
+            map.remove(k) ?.also { _ -> _onValueRemoved.emit(k) }
+        }
     }
 }
 
diff --git a/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapOneToManyKeyValueRepo.kt b/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapOneToManyKeyValueRepo.kt
index 47cdb32b4a5..f9b681b9f8d 100644
--- a/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapOneToManyKeyValueRepo.kt
+++ b/repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapOneToManyKeyValueRepo.kt
@@ -55,13 +55,18 @@ class MapWriteOneToManyKeyValueRepo<Key, Value>(
     override val onDataCleared: Flow<Key>
         get() = _onDataCleared
 
-    override suspend fun add(k: Key, v: Value) {
-        map.getOrPut(k) { mutableListOf() }.add(v)
-        _onNewValue.send(k to v)
+    override suspend fun add(toAdd: Map<Key, List<Value>>) {
+        toAdd.keys.forEach {
+            map.getOrPut(it) {
+                mutableListOf()
+            }.addAll(toAdd[it] ?: return@forEach)
+        }
     }
 
-    override suspend fun remove(k: Key, v: Value) {
-        map[k] ?.remove(v) ?.also { _onValueRemoved.send(k to v) }
+    override suspend fun remove(toRemove: Map<Key, List<Value>>) {
+        toRemove.keys.forEach {
+            map[it] ?.removeAll(toRemove[it] ?: return@forEach)
+        }
     }
 
     override suspend fun clear(k: Key) {
diff --git a/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key_value/KtorWriteStandardKeyValueRepo.kt b/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key_value/KtorWriteStandardKeyValueRepo.kt
index fd3fefeb48b..440c22e8350 100644
--- a/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key_value/KtorWriteStandardKeyValueRepo.kt
+++ b/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key_value/KtorWriteStandardKeyValueRepo.kt
@@ -7,8 +7,7 @@ import dev.inmo.micro_utils.repos.ktor.common.key_value.*
 import io.ktor.client.HttpClient
 import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.KSerializer
-import kotlinx.serialization.builtins.PairSerializer
-import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.builtins.*
 
 class KtorWriteStandardKeyValueRepo<K, V> (
     private var baseUrl: String,
@@ -16,6 +15,8 @@ class KtorWriteStandardKeyValueRepo<K, V> (
     private var keySerializer: KSerializer<K>,
     private var valueSerializer: KSerializer<V>,
 ) : WriteStandardKeyValueRepo<K, V> {
+    private val keyValueMapSerializer = MapSerializer(keySerializer, valueSerializer)
+    private val keysListSerializer = ListSerializer(keySerializer)
     override val onNewValue: Flow<Pair<K, V>> = client.createStandardWebsocketFlow(
         buildStandardUrl(baseUrl, onNewValueRoute),
         deserializer = PairSerializer(keySerializer, valueSerializer)
@@ -26,23 +27,25 @@ class KtorWriteStandardKeyValueRepo<K, V> (
         deserializer = keySerializer
     )
 
-    override suspend fun set(k: K, v: V) = client.unipost(
+    override suspend fun set(toSet: Map<K, V>) = client.unipost(
         buildStandardUrl(
             baseUrl,
             setRoute
         ),
-        BodyPair(KeyValuePostObject.serializer(keySerializer, valueSerializer), KeyValuePostObject(k, v)),
+        BodyPair(keyValueMapSerializer, toSet),
         Unit.serializer()
     )
+    override suspend fun set(k: K, v: V) = set(mapOf(k to v))
 
-    override suspend fun unset(k: K) = client.unipost(
+    override suspend fun unset(toUnset: List<K>) = client.unipost(
         buildStandardUrl(
             baseUrl,
             unsetRoute,
         ),
-        BodyPair(keySerializer, k),
+        BodyPair(keysListSerializer, toUnset),
         Unit.serializer()
     )
+    override suspend fun unset(k: K) = unset(listOf(k))
 }
 
 @Deprecated("Renamed", ReplaceWith("KtorWriteStandardKeyValueRepo", "dev.inmo.micro_utils.repos.ktor.client.key_value.KtorWriteStandardKeyValueRepo"))
diff --git a/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/one_to_many/KtorWriteOneToManyKeyValueRepo.kt b/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/one_to_many/KtorWriteOneToManyKeyValueRepo.kt
index aecfc496702..bc7de0bcd88 100644
--- a/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/one_to_many/KtorWriteOneToManyKeyValueRepo.kt
+++ b/repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/one_to_many/KtorWriteOneToManyKeyValueRepo.kt
@@ -7,8 +7,7 @@ import dev.inmo.micro_utils.repos.ktor.common.one_to_many.*
 import io.ktor.client.HttpClient
 import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.KSerializer
-import kotlinx.serialization.builtins.PairSerializer
-import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.builtins.*
 
 class KtorWriteOneToManyKeyValueRepo<Key, Value> (
     private val baseUrl: String,
@@ -17,6 +16,7 @@ class KtorWriteOneToManyKeyValueRepo<Key, Value> (
     private val valueSerializer: KSerializer<Value>
 ) : WriteOneToManyKeyValueRepo<Key, Value> {
     private val keyValueSerializer = PairSerializer(keySerializer, valueSerializer)
+    private val keyValueMapSerializer = MapSerializer(keySerializer, ListSerializer(valueSerializer))
     override val onNewValue: Flow<Pair<Key, Value>> = client.createStandardWebsocketFlow(
         buildStandardUrl(baseUrl, onNewValueRoute),
         deserializer = keyValueSerializer
@@ -39,15 +39,23 @@ class KtorWriteOneToManyKeyValueRepo<Key, Value> (
         Unit.serializer(),
     )
 
-    override suspend fun remove(k: Key, v: Value) = client.unipost(
+    override suspend fun remove(toRemove: Map<Key, List<Value>>) = client.unipost(
         buildStandardUrl(
             baseUrl,
             removeRoute,
         ),
-        BodyPair(keyValueSerializer, k to v),
+        BodyPair(keyValueMapSerializer, toRemove),
         Unit.serializer(),
     )
 
+    override suspend fun add(toAdd: Map<Key, List<Value>>) = client.unipost(
+        buildStandardUrl(
+            baseUrl,
+            clearRoute,
+        ),
+        BodyPair(keyValueMapSerializer, toAdd),
+        Unit.serializer(),
+    )
     override suspend fun clear(k: Key)  = client.unipost(
         buildStandardUrl(
             baseUrl,
diff --git a/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/key_value/KtorStandartWriteKeyValueRepo.kt b/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/key_value/KtorStandartWriteKeyValueRepo.kt
index 75d06732168..57a16f20cba 100644
--- a/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/key_value/KtorStandartWriteKeyValueRepo.kt
+++ b/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/key_value/KtorStandartWriteKeyValueRepo.kt
@@ -1,20 +1,21 @@
 package dev.inmo.micro_utils.repos.ktor.server.key_value
 
-import dev.inmo.micro_utils.ktor.server.includeWebsocketHandling
-import dev.inmo.micro_utils.ktor.server.uniload
+import dev.inmo.micro_utils.ktor.server.*
 import dev.inmo.micro_utils.repos.WriteStandardKeyValueRepo
 import dev.inmo.micro_utils.repos.ktor.common.key_value.*
 import io.ktor.application.call
 import io.ktor.routing.Route
 import io.ktor.routing.post
 import kotlinx.serialization.KSerializer
-import kotlinx.serialization.builtins.PairSerializer
+import kotlinx.serialization.builtins.*
 
 fun <K, V> Route.configureWriteStandartKeyValueRepoRoutes (
     originalRepo: WriteStandardKeyValueRepo<K, V>,
     keySerializer: KSerializer<K>,
     valueSerializer: KSerializer<V>,
 ) {
+    val keyValueMapSerializer = MapSerializer(keySerializer, valueSerializer)
+    val keysListSerializer = ListSerializer(keySerializer)
     includeWebsocketHandling(
         onNewValueRoute,
         originalRepo.onNewValue,
@@ -28,18 +29,16 @@ fun <K, V> Route.configureWriteStandartKeyValueRepoRoutes (
     )
 
     post(setRoute) {
-        val (key, value) = call.uniload(
-            KeyValuePostObject.serializer(keySerializer, valueSerializer)
+        val toSet = call.uniload(
+            keyValueMapSerializer
         )
 
-        originalRepo.set(key, value)
+        call.unianswer(Unit.serializer(), originalRepo.set(toSet))
     }
 
     post(unsetRoute) {
-        val key = call.uniload(
-            keySerializer
-        )
+        val toUnset = call.uniload(keysListSerializer)
 
-        originalRepo.unset(key)
+        call.unianswer(Unit.serializer(), originalRepo.unset(toUnset))
     }
 }
\ No newline at end of file
diff --git a/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/one_to_many/ConfigureOneToManyWriteKeyValueRepoRoutes.kt b/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/one_to_many/ConfigureOneToManyWriteKeyValueRepoRoutes.kt
index 788ea78a16a..fec8fa9d416 100644
--- a/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/one_to_many/ConfigureOneToManyWriteKeyValueRepoRoutes.kt
+++ b/repos/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/ktor/server/one_to_many/ConfigureOneToManyWriteKeyValueRepoRoutes.kt
@@ -7,15 +7,15 @@ import io.ktor.application.call
 import io.ktor.routing.Route
 import io.ktor.routing.post
 import kotlinx.serialization.KSerializer
-import kotlinx.serialization.builtins.PairSerializer
-import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.builtins.*
 
 fun <Key, Value> Route.configureOneToManyWriteKeyValueRepoRoutes(
     originalRepo: WriteOneToManyKeyValueRepo<Key, Value>,
     keySerializer: KSerializer<Key>,
-    valueSealizer: KSerializer<Value>,
+    valueSerializer: KSerializer<Value>,
 ) {
-    val keyValueSerializer = PairSerializer(keySerializer, valueSealizer)
+    val keyValueSerializer = PairSerializer(keySerializer, valueSerializer)
+    val keyValueMapSerializer = MapSerializer(keySerializer, ListSerializer(valueSerializer))
 
     includeWebsocketHandling(
         onNewValueRoute,
@@ -34,24 +34,22 @@ fun <Key, Value> Route.configureOneToManyWriteKeyValueRepoRoutes(
     )
 
     post(addRoute) {
-        val obj = call.uniload(
-            keyValueSerializer
-        )
+        val obj = call.uniload(keyValueMapSerializer)
 
         call.unianswer(
             Unit.serializer(),
-            originalRepo.add(obj.first, obj.second)
+            originalRepo.add(obj)
         )
     }
 
     post(removeRoute) {
         val obj = call.uniload(
-            keyValueSerializer
+            keyValueMapSerializer
         )
 
         call.unianswer(
             Unit.serializer(),
-            originalRepo.remove(obj.first, obj.second),
+            originalRepo.remove(obj),
         )
     }