diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/contact/MemberImpl.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/contact/MemberImpl.kt
index b4d203af6..38bb4791f 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/contact/MemberImpl.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/contact/MemberImpl.kt
@@ -35,7 +35,7 @@ import kotlin.jvm.JvmSynthetic
 
 @OptIn(LowLevelAPI::class)
 @Suppress("MemberVisibilityCanBePrivate")
-internal class MemberImpl  constructor(
+internal class MemberImpl constructor(
     val qq: QQImpl, // 不要 WeakRef
     group: GroupImpl,
     override val coroutineContext: CoroutineContext,
@@ -144,10 +144,7 @@ internal class MemberImpl  constructor(
 
     @JvmSynthetic
     override suspend fun mute(durationSeconds: Int) {
-        if (group.botPermission != MemberPermission.OWNER && (!group.botPermission.isOperator() || this.isOperator())) {
-            throw PermissionDeniedException()
-        }
-
+        checkBotPermissionHigherThanThis()
         bot.network.run {
             TroopManagement.Mute(
                 client = bot.client,
@@ -161,12 +158,18 @@ internal class MemberImpl  constructor(
         net.mamoe.mirai.event.events.MemberMuteEvent(this@MemberImpl, durationSeconds, null).broadcast()
     }
 
+    private fun checkBotPermissionHigherThanThis(){
+        check(group.botPermission > this.permission) {
+            throw PermissionDeniedException(
+                "`kick` operation requires bot to have a higher permission than the target member, " +
+                        "but bot's is ${group.botPermission}, target's is ${this.permission}"
+            )
+        }
+    }
+
     @JvmSynthetic
     override suspend fun unmute() {
-        if (group.botPermission != MemberPermission.OWNER && (!group.botPermission.isOperator() || this.isOperator())) {
-            throw PermissionDeniedException()
-        }
-
+        checkBotPermissionHigherThanThis()
         bot.network.run {
             TroopManagement.Mute(
                 client = bot.client,
@@ -182,18 +185,17 @@ internal class MemberImpl  constructor(
 
     @JvmSynthetic
     override suspend fun kick(message: String) {
-        if (group.botPermission != MemberPermission.OWNER && (!group.botPermission.isOperator() || this.isOperator())) {
-            throw PermissionDeniedException()
-        }
-
+        checkBotPermissionHigherThanThis()
         bot.network.run {
-            TroopManagement.Kick(
+            val response: TroopManagement.Kick.Response = TroopManagement.Kick(
                 client = bot.client,
                 member = this@MemberImpl,
                 message = message
-            ).sendAndExpect<TroopManagement.Kick.Response>().success.also {
-                MemberLeaveEvent.Kick(this@MemberImpl, null).broadcast()
-            }
+            ).sendAndExpect()
+
+            check(response.success) { "kick failed: $message" }
+
+            MemberLeaveEvent.Kick(this@MemberImpl, null).broadcast()
         }
     }
 
diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/TroopManagement.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/TroopManagement.kt
index 8f7447e0f..b6de49a8e 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/TroopManagement.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/TroopManagement.kt
@@ -16,9 +16,9 @@ import kotlinx.io.core.toByteArray
 import net.mamoe.mirai.LowLevelAPI
 import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.Member
-import net.mamoe.mirai.qqandroid.network.Packet
 import net.mamoe.mirai.qqandroid.QQAndroidBot
 import net.mamoe.mirai.qqandroid.io.serialization.*
+import net.mamoe.mirai.qqandroid.network.Packet
 import net.mamoe.mirai.qqandroid.network.QQAndroidClient
 import net.mamoe.mirai.qqandroid.network.protocol.data.jce.ModifyGroupCardReq
 import net.mamoe.mirai.qqandroid.network.protocol.data.jce.RequestPacket
@@ -136,7 +136,10 @@ internal class TroopManagement {
         }
 
         override suspend fun ByteReadPacket.decode(bot: QQAndroidBot): GroupInfoImpl {
-            with(this.readBytes().loadAs(OidbSso.OIDBSSOPkg.serializer()).bodybuffer.loadAs(Oidb0x88d.RspBody.serializer()).stzrspgroupinfo!![0].stgroupinfo!!) {
+            with(
+                this.readBytes()
+                    .loadAs(OidbSso.OIDBSSOPkg.serializer()).bodybuffer.loadAs(Oidb0x88d.RspBody.serializer()).stzrspgroupinfo!![0].stgroupinfo!!
+            ) {
                 return GroupInfoImpl(this)
             }
         }
@@ -144,44 +147,44 @@ internal class TroopManagement {
 
     internal object Kick : OutgoingPacketFactory<Kick.Response>("OidbSvc.0x8a0_0") {
         override suspend fun ByteReadPacket.decode(bot: QQAndroidBot): Response {
-            return Response(this.readBytes().loadAs(OidbSso.OIDBSSOPkg.serializer()).bodybuffer.loadAs(Oidb0x8a0.RspBody.serializer()).msgKickResult!![0].optUint32Result == 1)
+            return Response(
+                this.readBytes()
+                    .loadAs(OidbSso.OIDBSSOPkg.serializer()).bodybuffer.loadAs(Oidb0x8a0.RspBody.serializer()).msgKickResult!![0].optUint32Result == 1
+            )
         }
 
         class Response(
             val success: Boolean
         ) : Packet {
-            override fun toString(): String = "Response(Kick Member)"
+            override fun toString(): String = "TroopManagement.Kick.Response($success)"
         }
 
         operator fun invoke(
             client: QQAndroidClient,
             member: Member,
             message: String
-        ): OutgoingPacket {
-            return buildOutgoingUniPacket(client) {
-                writeProtoBuf(
-                    OidbSso.OIDBSSOPkg.serializer(),
-                    OidbSso.OIDBSSOPkg(
-                        command = 2208,
-                        serviceType = 0,//或者1
-                        result = 0,
-                        bodybuffer = Oidb0x8a0.ReqBody(
-                            optUint64GroupCode = member.group.id,
-                            msgKickList = listOf(
-                                Oidb0x8a0.KickMemberInfo(
-                                    optUint32Operate = 5,
-                                    optUint64MemberUin = member.id,
-                                    optUint32Flag = 1//或者0
-                                )
-                            ),
-                            kickMsg = message.toByteArray()
-                        ).toByteArray(Oidb0x8a0.ReqBody.serializer())
-                    )
+        ): OutgoingPacket = buildOutgoingUniPacket(client) {
+            writeProtoBuf(
+                OidbSso.OIDBSSOPkg.serializer(),
+                OidbSso.OIDBSSOPkg(
+                    command = 2208,
+                    serviceType = 0,//或者1
+                    result = 0,
+                    bodybuffer = Oidb0x8a0.ReqBody(
+                        optUint64GroupCode = member.group.id,
+                        msgKickList = listOf(
+                            Oidb0x8a0.KickMemberInfo(
+                                optUint32Operate = 5,
+                                optUint64MemberUin = member.id,
+                                optUint32Flag = 1//或者0
+                            )
+                        ),
+                        kickMsg = message.toByteArray()
+                    ).toByteArray(Oidb0x8a0.ReqBody.serializer())
                 )
-            }
+            )
         }
 
-
     }
 
     internal object GroupOperation : OutgoingPacketFactory<GroupOperation.Response>("OidbSvc.0x89a_0") {