Add debugging output

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/packet/login/Captcha.kt

@@ -6,10 +6,7 @@ import kotlinx.io.core.*
 import net.mamoe.mirai.network.BotNetworkHandler
 import net.mamoe.mirai.network.protocol.tim.TIMProtocol
 import net.mamoe.mirai.network.protocol.tim.packet.*
-import net.mamoe.mirai.utils.io.encryptAndWrite
-import net.mamoe.mirai.utils.io.readIoBuffer
-import net.mamoe.mirai.utils.io.writeHex
-import net.mamoe.mirai.utils.io.writeQQ
+import net.mamoe.mirai.utils.io.*
 
 object CaptchaKey : DecrypterByteArray, DecrypterType<CaptchaKey> {
     override val value: ByteArray = TIMProtocol.key00BA
@@ -125,6 +122,7 @@ object CaptchaPacket : PacketFactory<CaptchaPacket.CaptchaResponse, CaptchaKey>(
             }
             0x13u -> {
                 CaptchaResponse.Transmission().apply {
+                    with(debugPrint("验证码包")) {
                         discardExact(9)
                         captchaToken = readIoBuffer(56)
 
@@ -139,6 +137,7 @@ object CaptchaPacket : PacketFactory<CaptchaPacket.CaptchaResponse, CaptchaKey>(
                         token00BA = readBytes(40)
                     }
                 }
+            }
 
             else -> error("Unable to analyze RequestCaptchaTransmissionPacket, unknown id: $flag")
         }