diff --git a/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt b/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt
index 1fb4c8db8..f8d014d3a 100644
--- a/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt
+++ b/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt
@@ -403,7 +403,7 @@ internal class TIMBotNetworkHandler(private val bot: Bot) : BotNetworkHandler {
                 }
 
 
-                is ServerCatchaPacket.Encrypted -> socket.distributePacket(packet.decrypt())
+                is ServerCaptchaPacket.Encrypted -> socket.distributePacket(packet.decrypt())
                 is ServerLoginResponseVerificationCodeInitPacket.Encrypted -> socket.distributePacket(packet.decrypt())
                 is ServerLoginResponseKeyExchangePacket.Encrypted -> socket.distributePacket(packet.decrypt(this.randomprivateKey))
                 is ServerLoginResponseSuccessPacket.Encrypted -> socket.distributePacket(packet.decrypt(this.randomprivateKey))
diff --git a/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt b/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt
index 19ecb20f2..69e40c8a3 100644
--- a/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt
+++ b/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt
@@ -109,7 +109,7 @@ abstract class ServerPacket(val input: DataInputStream) : Packet {
 
                     "00 58" -> ServerHeartbeatResponsePacket(stream)
 
-                    "00 BA" -> ServerCatchaPacket.Encrypted(stream, idHex)
+                    "00 BA" -> ServerCaptchaPacket.Encrypted(stream, idHex)
 
 
                     "00 CE", "00 17" -> ServerEventPacket.Raw.Encrypted(stream, idHex.hexToBytes())
diff --git a/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/login/VerificationCode.kt b/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/login/VerificationCode.kt
index 82d0f1dbe..996b16389 100644
--- a/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/login/VerificationCode.kt
+++ b/mirai-core/src/main/java/net/mamoe/mirai/network/protocol/tim/packet/login/VerificationCode.kt
@@ -10,7 +10,6 @@ import java.io.DataInputStream
 /**
  * 客户端请求验证码图片数据的第几部分
  */
-
 @PacketId("00 BA 31")
 class ClientVerificationCodeTransmissionRequestPacket(
         private val packetId: Int,
@@ -47,7 +46,6 @@ class ClientVerificationCodeTransmissionRequestPacket(
  * 提交验证码
  */
 @PacketId("00 BA 32")
-
 class ClientVerificationCodeSubmitPacket(
         private val packetIdLast: Int,
         private val qq: Long,
@@ -94,7 +92,6 @@ class ClientVerificationCodeSubmitPacket(
  * 刷新验证码
  */
 @PacketId("00 BA 31")
-
 class ClientVerificationCodeRefreshPacket(
         private val packetIdLast: Int,
         private val qq: Long,
@@ -135,7 +132,7 @@ class ServerCaptchaWrongPacket(input: DataInputStream, dataSize: Int, packetId:
  * @author Him188moe
  */
 @PacketId("00 BA 31")
-open class ServerCaptchaTransmissionPacket(input: DataInputStream, private val dataSize: Int, private val packetId: ByteArray) : ServerCatchaPacket(input) {
+open class ServerCaptchaTransmissionPacket(input: DataInputStream, private val dataSize: Int, private val packetId: ByteArray) : ServerCaptchaPacket(input) {
 
     lateinit var captchaSectionN: ByteArray
     lateinit var verificationToken: ByteArray//56bytes
@@ -178,7 +175,7 @@ fun main() {
  * @author Him188moe
  */
 @PacketId("00 BA 32")
-class ServerCaptchaCorrectPacket(input: DataInputStream) : ServerCatchaPacket(input) {
+class ServerCaptchaCorrectPacket(input: DataInputStream) : ServerCaptchaPacket(input) {
 
     lateinit var token00BA: ByteArray//56 bytes
 
@@ -188,12 +185,12 @@ class ServerCaptchaCorrectPacket(input: DataInputStream) : ServerCatchaPacket(in
     }
 }
 
-abstract class ServerCatchaPacket(input: DataInputStream) : ServerPacket(input) {
+abstract class ServerCaptchaPacket(input: DataInputStream) : ServerPacket(input) {
 
     @PacketId("00 BA")
     class Encrypted(input: DataInputStream, private val id: String) : ServerPacket(input) {
 
-        fun decrypt(): ServerCatchaPacket {
+        fun decrypt(): ServerCaptchaPacket {
             this.input goto 14
             val data = TEA.decrypt(this.input.readAllBytes().cutTail(1), TIMProtocol.key00BA.hexToBytes())
             if (id.startsWith("00 BA 32")) {