diff --git a/build.gradle b/build.gradle
index 26c48267f..ac7f44ecd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,8 +17,8 @@ allprojects {
 
     ext {
         projectGroupId = 'org.mariotaku.twidere'
-        projectVersionCode = 505
-        projectVersionName = '4.0.6'
+        projectVersionCode = 506
+        projectVersionName = '4.0.7'
 
         globalCompileSdkVersion = 29
         globalBuildToolsVersion = '29.0.2'
diff --git a/twidere.component.common/src/main/java/org/mariotaku/microblog/library/twitter/TwitterUpload.java b/twidere.component.common/src/main/java/org/mariotaku/microblog/library/twitter/TwitterUpload.java
index 50ced2880..7592db5e7 100644
--- a/twidere.component.common/src/main/java/org/mariotaku/microblog/library/twitter/TwitterUpload.java
+++ b/twidere.component.common/src/main/java/org/mariotaku/microblog/library/twitter/TwitterUpload.java
@@ -55,7 +55,7 @@ public interface TwitterUpload {
     @Params(@KeyValue(key = "command", value = "APPEND"))
     ResponseCode appendUploadMedia(@Param("media_id") String mediaId,
                                    @Param("segment_index") int segmentIndex,
-                                   @Param("media") Body media) throws MicroBlogException;
+                                   @Param("media_data") String media) throws MicroBlogException;
 
     @POST("/media/upload.json")
     @Params(@KeyValue(key = "command", value = "FINALIZE"))
diff --git a/twidere/src/main/kotlin/org/mariotaku/twidere/service/LengthyOperationsService.kt b/twidere/src/main/kotlin/org/mariotaku/twidere/service/LengthyOperationsService.kt
index 1769c2a0c..13ffdeb62 100644
--- a/twidere/src/main/kotlin/org/mariotaku/twidere/service/LengthyOperationsService.kt
+++ b/twidere/src/main/kotlin/org/mariotaku/twidere/service/LengthyOperationsService.kt
@@ -26,12 +26,13 @@ import android.content.Context
 import android.content.Intent
 import android.os.Handler
 import android.os.Looper
+import android.text.TextUtils
+import android.util.Base64
+import android.util.Log
+import android.widget.Toast
 import androidx.annotation.UiThread
 import androidx.annotation.WorkerThread
 import androidx.core.app.NotificationCompat
-import android.text.TextUtils
-import android.util.Log
-import android.widget.Toast
 import nl.komponents.kovenant.task
 import nl.komponents.kovenant.ui.successUi
 import org.mariotaku.abstask.library.AbstractTask
@@ -43,9 +44,7 @@ import org.mariotaku.microblog.library.MicroBlogException
 import org.mariotaku.microblog.library.twitter.TwitterUpload
 import org.mariotaku.microblog.library.twitter.model.MediaUploadResponse
 import org.mariotaku.microblog.library.twitter.model.MediaUploadResponse.ProcessingInfo
-import org.mariotaku.restfu.http.ContentType
 import org.mariotaku.restfu.http.mime.Body
-import org.mariotaku.restfu.http.mime.SimpleBody
 import org.mariotaku.sqliteqb.library.Expression
 import org.mariotaku.twidere.R
 import org.mariotaku.twidere.TwidereConstants.*
@@ -66,7 +65,9 @@ import org.mariotaku.twidere.task.CreateFavoriteTask
 import org.mariotaku.twidere.task.RetweetStatusTask
 import org.mariotaku.twidere.task.twitter.UpdateStatusTask
 import org.mariotaku.twidere.task.twitter.message.SendMessageTask
+import org.mariotaku.twidere.util.Utils
 import org.mariotaku.twidere.util.deleteDrafts
+import java.io.ByteArrayOutputStream
 import java.io.IOException
 import java.util.concurrent.TimeUnit
 
@@ -323,20 +324,26 @@ class LengthyOperationsService : BaseIntentService("lengthy_operations") {
         notificationManager.cancel(NOTIFICATION_ID_UPDATE_STATUS)
     }
 
-
     @Throws(IOException::class, MicroBlogException::class)
     private fun uploadMedia(upload: TwitterUpload, body: Body): MediaUploadResponse {
         val mediaType = body.contentType().contentType
         val length = body.length()
         val stream = body.stream()
         var response = upload.initUploadMedia(mediaType, length, null, null)
-        val segments = if (length == 0L) 0 else (length / BULK_SIZE + 1).toInt()
-        for (segmentIndex in 0 until segments) {
-            val currentBulkSize = Math.min(BULK_SIZE, length - segmentIndex * BULK_SIZE).toInt()
-            val bulk = SimpleBody(ContentType.OCTET_STREAM, null, currentBulkSize.toLong(),
-                    stream)
-            upload.appendUploadMedia(response.id, segmentIndex, bulk)
-        }
+        run {
+                var streamReadLength = 0
+                var segmentIndex = 0
+                while (streamReadLength < length) {
+                    val currentBulkSize = Math.min(BULK_SIZE, length - streamReadLength).toInt()
+                    val output = ByteArrayOutputStream()
+                    Utils.copyStream(stream, output, currentBulkSize)
+                    val data = Base64.encodeToString(output.toByteArray(), Base64.DEFAULT);
+                    upload.appendUploadMedia(response.id, segmentIndex, data)
+                    output.close()
+                    segmentIndex++
+                    streamReadLength += currentBulkSize
+                }
+            }
         response = upload.finalizeUploadMedia(response.id)
         run {
             var info: ProcessingInfo? = response.processingInfo
diff --git a/twidere/src/main/kotlin/org/mariotaku/twidere/task/twitter/UpdateStatusTask.kt b/twidere/src/main/kotlin/org/mariotaku/twidere/task/twitter/UpdateStatusTask.kt
index d352318ed..911c64f69 100644
--- a/twidere/src/main/kotlin/org/mariotaku/twidere/task/twitter/UpdateStatusTask.kt
+++ b/twidere/src/main/kotlin/org/mariotaku/twidere/task/twitter/UpdateStatusTask.kt
@@ -9,11 +9,12 @@ import android.graphics.Point
 import android.media.MediaMetadataRetriever
 import android.net.Uri
 import android.os.Build
+import android.text.TextUtils
+import android.util.Base64
+import android.webkit.MimeTypeMap
 import androidx.annotation.UiThread
 import androidx.annotation.WorkerThread
 import androidx.exifinterface.media.ExifInterface
-import android.text.TextUtils
-import android.webkit.MimeTypeMap
 import net.ypresto.androidtranscoder.MediaTranscoder
 import net.ypresto.androidtranscoder.format.MediaFormatStrategyPresets
 import org.mariotaku.ktextension.*
@@ -31,7 +32,6 @@ import org.mariotaku.microblog.library.twitter.model.StatusUpdate
 import org.mariotaku.restfu.http.ContentType
 import org.mariotaku.restfu.http.mime.Body
 import org.mariotaku.restfu.http.mime.FileBody
-import org.mariotaku.restfu.http.mime.SimpleBody
 import org.mariotaku.sqliteqb.library.Expression
 import org.mariotaku.twidere.R
 import org.mariotaku.twidere.TwidereConstants.*
@@ -54,10 +54,7 @@ import org.mariotaku.twidere.util.*
 import org.mariotaku.twidere.util.io.ContentLengthInputStream
 import org.mariotaku.twidere.util.premium.ExtraFeaturesService
 import org.mariotaku.twidere.util.text.StatusTextValidator
-import java.io.Closeable
-import java.io.File
-import java.io.FileNotFoundException
-import java.io.IOException
+import java.io.*
 import java.util.*
 import java.util.concurrent.TimeUnit
 
@@ -834,7 +831,6 @@ class UpdateStatusTask(
             }
         }
 
-
         @Throws(IOException::class, MicroBlogException::class)
         private fun uploadMediaChucked(upload: TwitterUpload, body: Body,
                 mediaCategory: String? = null, ownerIds: Array<String>?): MediaUploadResponse {
@@ -842,12 +838,19 @@ class UpdateStatusTask(
             val length = body.length()
             val stream = body.stream()
             var response = upload.initUploadMedia(mediaType, length, mediaCategory, ownerIds)
-            val segments = if (length == 0L) 0 else (length / BULK_SIZE + 1).toInt()
-            for (segmentIndex in 0 until segments) {
-                val currentBulkSize = Math.min(BULK_SIZE.toLong(), length - segmentIndex * BULK_SIZE).toInt()
-                val bulk = SimpleBody(ContentType.OCTET_STREAM, null, currentBulkSize.toLong(),
-                        stream)
-                upload.appendUploadMedia(response.id, segmentIndex, bulk)
+            run {
+                var streamReadLength = 0
+                var segmentIndex = 0
+                while (streamReadLength < length) {
+                    val currentBulkSize = Math.min(BULK_SIZE.toLong(), length - streamReadLength).toInt()
+                    val output = ByteArrayOutputStream()
+                    Utils.copyStream(stream, output, currentBulkSize)
+                    val data = Base64.encodeToString(output.toByteArray(), Base64.DEFAULT);
+                    upload.appendUploadMedia(response.id, segmentIndex, data)
+                    output.close()
+                    segmentIndex++
+                    streamReadLength += currentBulkSize
+                }
             }
             response = upload.finalizeUploadMedia(response.id)
             var info: MediaUploadResponse.ProcessingInfo? = response.processingInfo
diff --git a/twidere/src/main/kotlin/org/mariotaku/twidere/util/Utils.kt b/twidere/src/main/kotlin/org/mariotaku/twidere/util/Utils.kt
index 9a092e80e..b6aaccf40 100644
--- a/twidere/src/main/kotlin/org/mariotaku/twidere/util/Utils.kt
+++ b/twidere/src/main/kotlin/org/mariotaku/twidere/util/Utils.kt
@@ -89,6 +89,8 @@ import org.mariotaku.twidere.provider.TwidereDataStore.CachedUsers
 import org.mariotaku.twidere.util.TwidereLinkify.PATTERN_TWITTER_PROFILE_IMAGES
 import org.mariotaku.twidere.view.TabPagerIndicator
 import java.io.File
+import java.io.InputStream
+import java.io.OutputStream
 import java.util.*
 import java.util.regex.Pattern
 
@@ -607,4 +609,16 @@ object Utils {
 
     }
 
+    fun copyStream(input: InputStream, output: OutputStream, length: Int) {
+        val buffer = ByteArray(1024)
+        var bytesRead: Int = 0
+        do {
+            val read = input.read(buffer)
+            if (read == -1) {
+                break
+            }
+            output.write(buffer, 0, read)
+            bytesRead += read
+        } while (bytesRead <= length)
+    }
 }