diff --git a/mirai-core/src/commonMain/kotlin/network/notice/priv/FriendNoticeProcessor.kt b/mirai-core/src/commonMain/kotlin/network/notice/priv/FriendNoticeProcessor.kt
index 99e3c00f9..5763f6bb9 100644
--- a/mirai-core/src/commonMain/kotlin/network/notice/priv/FriendNoticeProcessor.kt
+++ b/mirai-core/src/commonMain/kotlin/network/notice/priv/FriendNoticeProcessor.kt
@@ -102,10 +102,12 @@ internal class FriendNoticeProcessor(
                 val body: SubMsgType0xb3.MsgBody = vProtobuf.loadAs(SubMsgType0xb3.MsgBody.serializer())
                 handleFriendAddedB(data, body)
             }
+
             0x44L -> {
                 val body = vProtobuf.loadAs(Submsgtype0x44.MsgBody.serializer())
                 handleFriendAddedA(body)
             }
+
             0x27L -> {
                 val body = vProtobuf.loadAs(SubMsgType0x27MsgBody.serializer())
                 for (msgModInfo in body.msgModInfos) {
@@ -117,10 +119,12 @@ internal class FriendNoticeProcessor(
                     }
                 }
             }
+
             0x115L -> {
                 val body = vProtobuf.loadAs(SubMsgType0x115.MsgBody.serializer())
                 handleInputStatusChanged(body)
             }
+
             0x122L -> {
                 val body = vProtobuf.loadAs(Submsgtype0x122.Submsgtype0x122.MsgBody.serializer())
                 when (body.templId) {
@@ -128,10 +132,12 @@ internal class FriendNoticeProcessor(
                     1132L, 1133L, 1134L, 1135L, 1136L, 10043L -> handlePrivateNudge(body)
                 }
             }
+
             0x8AL -> {
                 val body = vProtobuf.loadAs(Sub8A.serializer())
                 processFriendRecall(body)
             }
+
             else -> markNotConsumed()
         }
     }
@@ -150,12 +156,13 @@ internal class FriendNoticeProcessor(
         @ProtoNumber(3) val srcId: Int,
         @ProtoNumber(4) val srcInternalId: Long,
         @ProtoNumber(5) val time: Long,
-        @ProtoNumber(6) val random: Int,
-        @ProtoNumber(7) val pkgNum: Int, // 1
-        @ProtoNumber(8) val pkgIndex: Int, // 0
-        @ProtoNumber(9) val devSeq: Int, // 0
-        @ProtoNumber(12) val flag: Int, // 1
-        @ProtoNumber(13) val wording: Wording,
+        // see #2784
+//        @ProtoNumber(6) val random: Int,
+//        @ProtoNumber(7) val pkgNum: Int, // 1
+//        @ProtoNumber(8) val pkgIndex: Int, // 0
+//        @ProtoNumber(9) val devSeq: Int, // 0
+//        @ProtoNumber(12) val flag: Int, // 1
+//        @ProtoNumber(13) val wording: Wording,
     ) : ProtoBuf
 
     @Serializable
@@ -207,6 +214,7 @@ internal class FriendNoticeProcessor(
                         friend.info.nick = to
                     }
                 }
+
                 else -> containsUnknown = true
             }
         }