Fix RequestFriendImageId

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/internal/MessageDataInternal.kt

@@ -12,7 +12,7 @@ internal fun IoBuffer.parseMessageFace(): Face {
     discardExact(1)
 
     val id1 = FaceID.ofId(readLVNumber().toInt().toUByte())//可能这个是id, 也可能下面那个
-    discardExact(readByte().toLong())
+    discardExact(readByte().toLong()) // -1
     readLVNumber()//某id?
     return Face(id1)
 }

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/action/AddContact.kt

@@ -104,7 +104,7 @@ object CanAddFriendPacket : SessionPacketFactory<CanAddFriendResponse>() {
         }
         val qq: QQ = readUInt().qq()
 
-        discardExact(1)
+        // debugDiscardExact(1)
 
         return when (val state = readUByte().toUInt()) {
             //09 4E A4 B1 00 03

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/OutputUtils.kt

@@ -59,13 +59,13 @@ fun BytePacketBuilder.writeHex(uHex: String) {
 
 fun BytePacketBuilder.writeTLV(tag: UByte, values: UByteArray) {
     writeUByte(tag)
-    writeVarInt(values.size)
+    writeUVarInt(values.size.toUInt())
     writeFully(values)
 }
 
 fun BytePacketBuilder.writeTLV(tag: UByte, values: ByteArray) {
     writeUByte(tag)
-    writeVarInt(values.size)
+    writeUVarInt(values.size.toUInt())
     writeFully(values)
 }
 

mirai-demos/mirai-demo-gentleman/src/main/kotlin/demo/gentleman/Main.kt

@@ -54,6 +54,7 @@ suspend fun main() {
 
     bot.subscribeMessages {
         "你好" reply "你好!"
+
         "profile" reply {
             sender.profile.await().toString()
         }