diff --git a/mirai-core-utils/src/commonMain/kotlin/StandardUtils.kt b/mirai-core-utils/src/commonMain/kotlin/StandardUtils.kt
index b1e0662f4..099308097 100644
--- a/mirai-core-utils/src/commonMain/kotlin/StandardUtils.kt
+++ b/mirai-core-utils/src/commonMain/kotlin/StandardUtils.kt
@@ -218,4 +218,10 @@ public inline fun Throwable.findCauseOrSelf(maxDepth: Int = 20, filter: (Throwab
 
 public fun String.capitalize(): String {
     return replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.ROOT) else it.toString() }
+}
+
+public fun String.truncated(length: Int, truncated: String = "..."): String {
+    return if (this.length > length) {
+        this.take(10) + truncated
+    } else this
 }
\ No newline at end of file
diff --git a/mirai-core/src/commonMain/kotlin/contact/OnlineAnnouncementImpl.kt b/mirai-core/src/commonMain/kotlin/contact/OnlineAnnouncementImpl.kt
index 8fb901abd..8765e5433 100644
--- a/mirai-core/src/commonMain/kotlin/contact/OnlineAnnouncementImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/contact/OnlineAnnouncementImpl.kt
@@ -21,7 +21,7 @@ import net.mamoe.mirai.contact.announcement.OnlineAnnouncement
  */
 //@SerialName(OnlineAnnouncementImpl.SERIAL_NAME)
 //@Serializable(OnlineAnnouncementImpl.Serializer::class)
-internal class OnlineAnnouncementImpl(
+internal data class OnlineAnnouncementImpl(
     override val group: Group,
     override val senderId: Long,
     override val sender: NormalMember?,
diff --git a/mirai-core/src/commonMain/kotlin/contact/announcement/AnnouncementsImpl.kt b/mirai-core/src/commonMain/kotlin/contact/announcement/AnnouncementsImpl.kt
index 189c89933..cef90b690 100644
--- a/mirai-core/src/commonMain/kotlin/contact/announcement/AnnouncementsImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/contact/announcement/AnnouncementsImpl.kt
@@ -34,6 +34,9 @@ import net.mamoe.mirai.internal.contact.announcement.AnnouncementProtocol.getRaw
 import net.mamoe.mirai.internal.contact.announcement.AnnouncementProtocol.sendGroupAnnouncement
 import net.mamoe.mirai.internal.contact.announcement.AnnouncementProtocol.toAnnouncement
 import net.mamoe.mirai.internal.contact.announcement.AnnouncementProtocol.toGroupAnnouncement
+import net.mamoe.mirai.internal.network.highway.ChannelKind
+import net.mamoe.mirai.internal.network.highway.ResourceKind
+import net.mamoe.mirai.internal.network.highway.tryServersUpload
 import net.mamoe.mirai.internal.network.psKey
 import net.mamoe.mirai.internal.network.sKey
 import net.mamoe.mirai.internal.utils.io.writeResource
@@ -96,7 +99,24 @@ internal class AnnouncementsImpl(
         return bot.getGroupAnnouncement(group.id, fid).toAnnouncement(group)
     }
 
+
+    private fun Announcement.describe(): String =
+        "'${content.truncated(10)}' ${parameters.describe()}"
+
+    private fun AnnouncementParameters.describe(): String {
+        return mutableListOf<String>().apply {
+            if (image != null) add("with image")
+            if (sendToNewMember) add("sendToNewMember")
+            if (pinned) add("pinned")
+            if (showEditCard) add("showEditCard")
+            if (popup) add("popup")
+            if (needConfirm) add("needConfirm")
+        }.joinToString()
+    }
+
     override suspend fun publish(announcement: Announcement): OnlineAnnouncement = announcement.run {
+        val id = announcement.hashCode()
+        logger.verbose { "Publishing announcement #$id: ${announcement.describe()}" }
         val bot = group.bot
         group.checkBotPermission(MemberPermission.ADMINISTRATOR) { "Only administrator have permission to send group announcement" }
         val image = parameters.image
@@ -112,14 +132,28 @@ internal class AnnouncementsImpl(
             isAllRead = false,
             readMemberNumber = 0,
             publishTime = currentTimeSeconds()
-        )
+        ).also {
+            logger.verbose { "Publishing announcement #$id: success." }
+        }
     }
 
     override suspend fun uploadImage(resource: ExternalResource): AnnouncementImage {
-        return AnnouncementProtocol.uploadGroupAnnouncementImage(bot, resource)
+        return tryServersUpload(
+            bot,
+            serversStub,
+            resource.size,
+            ResourceKind.ANNOUNCEMENT_IMAGE,
+            ChannelKind.HTTP
+        ) { _, _ ->
+            // use common logging
+
+            AnnouncementProtocol.uploadGroupAnnouncementImage(bot, resource)
+        }
     }
 }
 
+private val serversStub = listOf("web.qun.qq.com" to 80)
+
 internal object AnnouncementProtocol {
     @Serializable
     data class UploadImageResp(
@@ -148,10 +182,12 @@ internal object AnnouncementProtocol {
                     writeResource(resource)
                 }
             })
-            cookie("p_uin", "o${bot.id}")
+            cookie("uin", "o$id")
+            cookie("p_uin", "o$id")
+            cookie("skey", sKey)
             cookie("p_skey", psKey("qun.qq.com"))
         }.loadSafelyAs(UploadImageResp.serializer()).checked()
-        return resp.id.loadSafelyAs(GroupAnnouncementImage.serializer()).checked().toPublic()
+        return resp.id.replace("&quot;", "\"").loadSafelyAs(GroupAnnouncementImage.serializer()).checked().toPublic()
     }
 
     @Serializable
diff --git a/mirai-core/src/commonMain/kotlin/network/highway/Highway.kt b/mirai-core/src/commonMain/kotlin/network/highway/Highway.kt
index 884939ca4..ef09518fd 100644
--- a/mirai-core/src/commonMain/kotlin/network/highway/Highway.kt
+++ b/mirai-core/src/commonMain/kotlin/network/highway/Highway.kt
@@ -1,10 +1,10 @@
 /*
  * Copyright 2019-2021 Mamoe Technologies and contributors.
  *
- *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
  *
- *  https://github.com/mamoe/mirai/blob/master/LICENSE
+ * https://github.com/mamoe/mirai/blob/dev/LICENSE
  */
 
 package net.mamoe.mirai.internal.network.highway
@@ -129,6 +129,8 @@ internal enum class ResourceKind(
 
     LONG_MESSAGE("long message"),
     FORWARD_MESSAGE("forward message"),
+
+    ANNOUNCEMENT_IMAGE("announcement image"),
     ;
 
     override fun toString(): String = display