diff --git a/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/DataContent.kt b/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/DataContent.kt
index a808cbe72..2726a68ee 100644
--- a/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/DataContent.kt
+++ b/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/DataContent.kt
@@ -1,11 +1,11 @@
 package com.clipevery.dto.sync
 
-import com.clipevery.serializer.Base64MimeByteArraySerializer
+import com.clipevery.serializer.Base64ByteArraySerializer
 import kotlinx.serialization.Serializable
 
 @Serializable
 data class DataContent(
-    @Serializable(with = Base64MimeByteArraySerializer::class) val data: ByteArray
+    @Serializable(with = Base64ByteArraySerializer::class) val data: ByteArray
 ) {
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
diff --git a/composeApp/src/commonMain/kotlin/com/clipevery/serializer/Base64MimeByteArraySerializer.kt b/composeApp/src/commonMain/kotlin/com/clipevery/serializer/Base64ByteArraySerializer.kt
similarity index 91%
rename from composeApp/src/commonMain/kotlin/com/clipevery/serializer/Base64MimeByteArraySerializer.kt
rename to composeApp/src/commonMain/kotlin/com/clipevery/serializer/Base64ByteArraySerializer.kt
index 041d0b181..84d9a6643 100644
--- a/composeApp/src/commonMain/kotlin/com/clipevery/serializer/Base64MimeByteArraySerializer.kt
+++ b/composeApp/src/commonMain/kotlin/com/clipevery/serializer/Base64ByteArraySerializer.kt
@@ -8,7 +8,7 @@ import kotlinx.serialization.descriptors.buildClassSerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 
-object Base64MimeByteArraySerializer: KSerializer<ByteArray> {
+object Base64ByteArraySerializer: KSerializer<ByteArray> {
 
     override val descriptor: SerialDescriptor = buildClassSerialDescriptor("ByteArray") {}
 
diff --git a/composeApp/src/commonMain/kotlin/com/clipevery/utils/JsonUtils.kt b/composeApp/src/commonMain/kotlin/com/clipevery/utils/JsonUtils.kt
index d9f0e8179..0c11a134e 100644
--- a/composeApp/src/commonMain/kotlin/com/clipevery/utils/JsonUtils.kt
+++ b/composeApp/src/commonMain/kotlin/com/clipevery/utils/JsonUtils.kt
@@ -1,6 +1,6 @@
 package com.clipevery.utils
 
-import com.clipevery.serializer.Base64MimeByteArraySerializer
+import com.clipevery.serializer.Base64ByteArraySerializer
 import com.clipevery.serializer.IdentityKeySerializer
 import com.clipevery.serializer.PreKeyBundleSerializer
 import kotlinx.serialization.json.Json
@@ -13,7 +13,7 @@ object JsonUtils {
 
     val JSON: Json = Json {
         serializersModule = SerializersModule {
-            serializersModuleOf(ByteArray::class, Base64MimeByteArraySerializer)
+            serializersModuleOf(ByteArray::class, Base64ByteArraySerializer)
             serializersModuleOf(PreKeyBundle::class, PreKeyBundleSerializer)
             serializersModuleOf(IdentityKey::class, IdentityKeySerializer)
         }
diff --git a/composeApp/src/desktopMain/kotlin/com/clipevery/net/plugin/SignalDecryption.kt b/composeApp/src/desktopMain/kotlin/com/clipevery/net/plugin/SignalDecryption.kt
index 7d41340cb..c45b6ac30 100644
--- a/composeApp/src/desktopMain/kotlin/com/clipevery/net/plugin/SignalDecryption.kt
+++ b/composeApp/src/desktopMain/kotlin/com/clipevery/net/plugin/SignalDecryption.kt
@@ -1,8 +1,6 @@
 package com.clipevery.net.plugin
 
 import com.clipevery.Dependencies
-import com.clipevery.serializer.Base64MimeByteArraySerializer
-import com.clipevery.utils.JsonUtils
 import io.ktor.server.application.ApplicationPlugin
 import io.ktor.server.application.createApplicationPlugin
 import io.ktor.server.application.hooks.ReceiveRequestBytes
@@ -30,9 +28,7 @@ val SignalDecryption: ApplicationPlugin<SignalDecryptionConfig> = createApplicat
                 if (signal == "1") {
                     call.request.path()
                     return@on application.writer {
-                        val base64Content = body.readRemaining().readBytes()
-                        val originalString = String(base64Content, Charsets.UTF_8)
-                        val encryptedContent = JsonUtils.JSON.decodeFromString(Base64MimeByteArraySerializer, originalString)
+                        val encryptedContent = body.readRemaining().readBytes()
                         val signalProtocolAddress = SignalProtocolAddress(appInstanceId, 1)
                         val signalMessage = SignalMessage(encryptedContent)
                         val sessionCipher = SessionCipher(signalProtocolStore, signalProtocolAddress)