diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/jce/SvcReqRegister.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/jce/SvcReqRegister.kt
index fbf809995..0a279718c 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/jce/SvcReqRegister.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/jce/SvcReqRegister.kt
@@ -1,167 +1,46 @@
 package net.mamoe.mirai.qqandroid.network.protocol.jce
 
-import net.mamoe.mirai.qqandroid.io.JceInput
-import net.mamoe.mirai.qqandroid.io.JceOutput
+import kotlinx.serialization.SerialId
+import kotlinx.serialization.Serializable
 import net.mamoe.mirai.qqandroid.io.JceStruct
 
+@Serializable
 class SvcReqRegister(
-    var bIsOnline: Byte = 0,
-    var bIsSetStatus: Byte = 0,
-    var bIsShowOnline: Byte = 0,
-    var bKikPC: Byte = 0,
-    var bKikWeak: Byte = 0,
-    var bOnlinePush: Byte = 0,
-    var bOpenPush: Byte = 1,
-    var bRegType: Byte = 0,
-    var bSetMute: Byte = 0,
-    var bSlientPush: Byte = 0,
-    var bytes_0x769_reqbody: ByteArray? = null,
-    var cConnType: Byte = 0,
-    var cNetType: Byte = 0,
-    var iLargeSeq: Long = 0L,
-    var iLastWatchStartTime: Long = 0L,
-    var iLocaleID: Int = 2052,
-    var iOSVersion: Long = 0L,
-    var iStatus: Int = 11,
-    var lBid: Long = 0L,
-    var lCpId: Long = 0L,
-    var lUin: Long = 0L,
-    var sBuildVer: String? = "",
-    var sChannelNo: String? = "",
-    var sOther: String = "",
-    var strDevName: String? = null,
-    var strDevType: String? = null,
-    var strIOSIdfa: String? = "",
-    var strOSVer: String? = null,
-    var strVendorName: String? = null,
-    var strVendorOSName: String? = null,
-    var timeStamp: Long = 0L,
-    var uNewSSOIp: Long = 0L,
-    var uOldSSOIp: Long = 0L,
-    var vecDevParam: ByteArray? = null,
-    var vecGuid: ByteArray? = null,
-    var vecServerBuf: ByteArray? = null,
-    var vecBindUin: ArrayList<*>? = null // ?? 未知泛型
-) : JceStruct() {
-    constructor() : this(0)
-    companion object : Factory<SvcReqRegister> {
-        override fun newInstanceFrom(input: JceInput): SvcReqRegister  = SvcReqRegister().apply {
-            this.lUin = input.readLong(0)
-            this.lBid = input.readLong(1)
-            this.cConnType = input.readByte(2)
-            this.sOther = input.readString(3)
-            this.iStatus = input.readInt(4)
-            this.bOnlinePush = input.readByte(5)
-            this.bIsOnline = input.readByte(6)
-            this.bIsShowOnline = input.readByte(7)
-            this.bKikPC = input.readByte(8)
-            this.bKikWeak = input.readByte(9)
-            this.timeStamp = input.readLong(10)
-            this.iOSVersion = input.readLong(11)
-            this.cNetType = input.readByte(12)
-            this.sBuildVer = input.readStringOrNull(13)
-            this.bRegType = input.readByte(14)
-            this.vecDevParam = input.readByteArrayOrNull(15)
-            this.vecGuid = input.readByteArrayOrNull(16)
-            this.iLocaleID = input.readIntOrNull(17) ?: this.iLocaleID
-            this.bSlientPush = input.readByteOrNull(18) ?: this.bSlientPush
-            this.strDevName = input.readStringOrNull(19) ?: this.strDevName
-            this.strDevType = input.readStringOrNull(20) ?: this.strDevType
-            this.strOSVer = input.readStringOrNull(21) ?: this.strOSVer
-            this.bOpenPush = input.readByteOrNull(22) ?: this.bOpenPush
-            this.iLargeSeq = input.readLongOrNull(23) ?: this.iLargeSeq
-            this.iLastWatchStartTime = input.readLongOrNull(24) ?: this.iLastWatchStartTime
-          //  this.vecBindUin = input.readObject(this.vecBindUin, 25) ?: this.iLocaleID
-            this.uOldSSOIp = input.readLongOrNull(26) ?: this.uOldSSOIp
-            this.uNewSSOIp = input.readLongOrNull(27) ?: this.uNewSSOIp
-            this.sChannelNo = input.readStringOrNull(28) ?: this.sChannelNo
-            this.lCpId = input.readLongOrNull(29) ?: this.lCpId
-            this.strVendorName = input.readStringOrNull(30) ?: this.strVendorName
-            this.strVendorOSName = input.readStringOrNull(31) ?: this.strVendorOSName
-            this.strIOSIdfa = input.readStringOrNull(32) ?: this.strIOSIdfa
-            this.bytes_0x769_reqbody = input.readByteArrayOrNull(33) ?: this.bytes_0x769_reqbody
-            this.bIsSetStatus = input.readByteOrNull(34) ?: this.bIsSetStatus
-            this.vecServerBuf = input.readByteArrayOrNull(35) ?: this.vecServerBuf
-            this.bSetMute = input.readByteOrNull(36) ?: this.bSetMute
-        }
-    }
-
-    override fun writeTo(builder: JceOutput) {
-        builder.write(lUin, 0)
-        builder.write(lBid, 1)
-        builder.write(cConnType, 2)
-        builder.write(sOther, 3)
-        builder.write(iStatus, 4)
-        builder.write(bOnlinePush, 5)
-        builder.write(bIsOnline, 6)
-        builder.write(bIsShowOnline, 7)
-        builder.write(bKikPC, 8)
-        builder.write(bKikWeak, 9)
-        builder.write(timeStamp, 10)
-        builder.write(iOSVersion, 11)
-        builder.write(cNetType, 12)
-        if (sBuildVer != null) {
-            builder.write(sBuildVer!!, 13)
-        }
-
-        builder.write(bRegType, 14)
-        if (vecDevParam != null) {
-            builder.write(vecDevParam!!, 15)
-        }
-
-        if (vecGuid != null) {
-            builder.write(vecGuid!!, 16)
-        }
-
-        builder.write(iLocaleID, 17)
-        builder.write(bSlientPush, 18)
-        if (strDevName != null) {
-            builder.write(strDevName!!, 19)
-        }
-
-        if (strDevType != null) {
-            builder.write(strDevType!!, 20)
-        }
-
-        if (strOSVer != null) {
-            builder.write(strOSVer!!, 21)
-        }
-
-        builder.write(bOpenPush, 22)
-        builder.write(iLargeSeq, 23)
-        builder.write(iLastWatchStartTime, 24)
-        if (this.vecBindUin != null) {
-            builder.write(this.vecBindUin!!, 25)
-        }
-
-        builder.write(uOldSSOIp, 26)
-        builder.write(uNewSSOIp, 27)
-        if (sChannelNo != null) {
-            builder.write(sChannelNo!!, 28)
-        }
-
-        builder.write(lCpId, 29)
-        if (strVendorName != null) {
-            builder.write(strVendorName!!, 30)
-        }
-
-        if (strVendorOSName != null) {
-            builder.write(strVendorOSName!!, 31)
-        }
-
-        if (strIOSIdfa != null) {
-            builder.write(strIOSIdfa!!, 32)
-        }
-
-        if (bytes_0x769_reqbody != null) {
-            builder.write(bytes_0x769_reqbody!!, 33)
-        }
-
-        builder.write(bIsSetStatus, 34)
-        if (vecServerBuf != null) {
-            builder.write(vecServerBuf!!, 35)
-        }
-
-        builder.write(bSetMute, 36)
-    }
-}
\ No newline at end of file
+    @SerialId(6) var bIsOnline: Byte = 0,
+    @SerialId(34) var bIsSetStatus: Byte = 0,
+    @SerialId(7) var bIsShowOnline: Byte = 0,
+    @SerialId(8) var bKikPC: Byte = 0,
+    @SerialId(9) var bKikWeak: Byte = 0,
+    @SerialId(5) var bOnlinePush: Byte = 0,
+    @SerialId(22) var bOpenPush: Byte = 1,
+    @SerialId(14) var bRegType: Byte = 0,
+    @SerialId(36) var bSetMute: Byte = 0,
+    @SerialId(18) var bSlientPush: Byte = 0,
+    @SerialId(33) var bytes_0x769_reqbody: ByteArray? = null,
+    @SerialId(2) var cConnType: Byte = 0,
+    @SerialId(12) var cNetType: Byte = 0,
+    @SerialId(23) var iLargeSeq: Long = 0L,
+    @SerialId(24) var iLastWatchStartTime: Long = 0L,
+    @SerialId(17) var iLocaleID: Int = 2052,
+    @SerialId(11) var iOSVersion: Long = 0L,
+    @SerialId(4) var iStatus: Int = 11,
+    @SerialId(1) var lBid: Long = 0L,
+    @SerialId(29) var lCpId: Long = 0L,
+    @SerialId(0) var lUin: Long = 0L,
+    @SerialId(13) var sBuildVer: String? = "",
+    @SerialId(28) var sChannelNo: String? = "",
+    @SerialId(3) var sOther: String = "",
+    @SerialId(19) var strDevName: String? = null,
+    @SerialId(20) var strDevType: String? = null,
+    @SerialId(32) var strIOSIdfa: String? = "",
+    @SerialId(21) var strOSVer: String? = null,
+    @SerialId(30) var strVendorName: String? = null,
+    @SerialId(31) var strVendorOSName: String? = null,
+    @SerialId(10) var timeStamp: Long = 0L,
+    @SerialId(27) var uNewSSOIp: Long = 0L,
+    @SerialId(26) var uOldSSOIp: Long = 0L,
+    @SerialId(15) var vecDevParam: ByteArray? = null,
+    @SerialId(16) var vecGuid: ByteArray? = null,
+    @SerialId(35) var vecServerBuf: ByteArray? = null
+    // @SerialId(25) var vecBindUin: ArrayList<*>? = null // ?? 未知泛型
+) : JceStruct
\ No newline at end of file