diff --git a/push/src/main/java/cn/org/bjca/trust/push/common/DeviceHelper.kt b/push/src/main/java/cn/org/bjca/trust/push/common/DeviceHelper.kt
index 549840a..9041030 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/common/DeviceHelper.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/common/DeviceHelper.kt
@@ -1,6 +1,7 @@
 package cn.org.bjca.trust.push.common
 
 import cn.org.bjca.trust.push.db.DbHelper
+import cn.org.bjca.trust.push.db.device.Device
 
 object DeviceHelper {
     @JvmStatic
@@ -12,6 +13,14 @@ object DeviceHelper {
         return device[0].device
     }
     @JvmStatic
+    fun getDevice(): Device {
+        val device = DbHelper.getDataBase().deviceDao().getAll()
+        if (device.isEmpty()) {
+            throw Throwable("获取设备信息失败")
+        }
+        return device[0]
+    }
+    @JvmStatic
     fun getManufacturer(): String {
         val device = DbHelper.getDataBase().deviceDao().getAll()
         if (device.isEmpty()) {
diff --git a/push/src/main/java/cn/org/bjca/trust/push/common/MessageHelper.kt b/push/src/main/java/cn/org/bjca/trust/push/common/MessageHelper.kt
index c0c8470..646c57d 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/common/MessageHelper.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/common/MessageHelper.kt
@@ -1,5 +1,7 @@
 package cn.org.bjca.trust.push.common
 
+import cn.org.bjca.trust.push.db.DbHelper
+import cn.org.bjca.trust.push.db.message.SzyxMessage
 import cn.org.bjca.trust.push.enums.MsgType
 import cn.org.bjca.trust.push.message.ImManager
 import cn.org.bjca.trust.push.message.bean.TextMessage
@@ -11,7 +13,8 @@ import org.json.JSONException
 object MessageHelper {
 
     @JvmStatic
-    fun parseMessage(msgType: MsgType, sendMessage: SendMessage): Message? {
+    fun parseMessage(sendMessage: SendMessage): Message? {
+        val msgType = MsgType.getMsgType(sendMessage.messageType)
 
         val clazz: Class<*> = when (msgType) {
             MsgType.Text -> {
@@ -38,6 +41,21 @@ object MessageHelper {
     }
 
     @JvmStatic
+    fun parseMessage(msg: SzyxMessage): Message? {
+        val sendMessage = SendMessage().apply {
+            messageId = msg.messageId
+            timestamp = msg.timestamp
+            fromClientId = msg.fromClientId
+            toClientId = msg.toClientId
+            target = msg.target
+            messageType = msg.messageType
+            message = msg.message
+            tenantNo = msg.tenantNo
+        }
+        return parseMessage(sendMessage)
+    }
+
+    @JvmStatic
     fun sendMessage(clientId: String, message: Message) {
         LogHelper.d("------app端调用发送消息-----")
         val sendMessage = SendMessage()
@@ -50,4 +68,19 @@ object MessageHelper {
         sendMessage.message = message.createContentJsonStr()
         ImManager.instance.sendMessage(sendMessage)
     }
+
+    fun changeStatus(msgId: String, status: Boolean): Message? {
+        val m = DbHelper.getDataBase().messageDao().getMessage(msgId)
+        if (m.isNotEmpty()) {
+            val ms = m[0]
+            if (ms.status == 0) {
+                ms.status = if (status) 1 else 2
+                DbHelper.getDataBase().messageDao().update(ms)
+                parseMessage(ms)?.also { ite ->
+                    return ite
+                }
+            }
+        }
+        return null
+    }
 }
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/db/PushDatabase.kt b/push/src/main/java/cn/org/bjca/trust/push/db/PushDatabase.kt
index 7b7ebcf..8dd0439 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/db/PushDatabase.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/db/PushDatabase.kt
@@ -8,7 +8,7 @@ import cn.org.bjca.trust.push.db.message.MessageDao
 import cn.org.bjca.trust.push.db.message.SzyxMessage
 import cn.org.bjca.trust.push.message.msg.SendMessage
 
-@Database(entities = [Device::class, SzyxMessage::class], version = 1)
+@Database(entities = [Device::class, SzyxMessage::class], version = 1, exportSchema=false)
 abstract class PushDatabase : RoomDatabase() {
     abstract fun deviceDao(): DeviceDao
     abstract fun messageDao(): MessageDao
diff --git a/push/src/main/java/cn/org/bjca/trust/push/db/message/MessageDao.kt b/push/src/main/java/cn/org/bjca/trust/push/db/message/MessageDao.kt
index b469c79..b376a27 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/db/message/MessageDao.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/db/message/MessageDao.kt
@@ -1,18 +1,21 @@
 package cn.org.bjca.trust.push.db.message
 
-import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
-import androidx.room.Query
+import androidx.room.*
 
 @Dao
 interface MessageDao {
     @Query("SELECT * FROM message")
     fun getAll(): List<SzyxMessage>
 
+    @Query("SELECT * FROM message WHERE message_id = :msgId")
+    fun getMessage(msgId: String): List<SzyxMessage>
+
     @Insert
     fun insertAll(vararg msg: SzyxMessage)
 
+    @Update
+    fun update(msg: SzyxMessage)
+
     @Delete
     fun delete(msg: SzyxMessage)
 }
diff --git a/push/src/main/java/cn/org/bjca/trust/push/db/message/SzyxMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/db/message/SzyxMessage.kt
index 7601ca3..1becd9e 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/db/message/SzyxMessage.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/db/message/SzyxMessage.kt
@@ -22,6 +22,9 @@ data class SzyxMessage(
 
     @ColumnInfo(name = "tenantNo") var tenantNo: String? = null,
 
+    // 0=发送中；1-发送成功；2=发送失败
+    @ColumnInfo(name = "status") var status: Int = 0,
+
     @PrimaryKey(autoGenerate = true) var p_id: Int? = null,
 
     )
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/enums/PacketType.kt b/push/src/main/java/cn/org/bjca/trust/push/enums/PacketType.kt
index 8a15ce0..ef45b11 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/enums/PacketType.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/enums/PacketType.kt
@@ -2,11 +2,11 @@ package cn.org.bjca.trust.push.enums
 
 enum class PacketType(value: Int) {
     CONNECT(10),
-//    CONNACK(11),
+    CONNACK(11),
     SEND(20),
-//    SENDACK(21),
-//    PINGREQ(30),
-//    PINGRESP(31),
+    SENDACK(21),
+    PING(30),
+    PANG(31),
     DISCONNECT(40),
     UNKNOWN(-1);
 }
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/kit/ImClientInterface.kt b/push/src/main/java/cn/org/bjca/trust/push/kit/ImClientInterface.kt
index 389a948..aa78742 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/kit/ImClientInterface.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/kit/ImClientInterface.kt
@@ -8,6 +8,7 @@ interface ImClientInterface {
     fun connect(mImConnectOptions: ImConnectOptions)
     fun reConnect()
     fun disConnect()
+    fun unregister()
     fun isConnect(): Boolean
     fun isConnecting(): Boolean
     fun sendMessage(msg: SendMessage)
diff --git a/push/src/main/java/cn/org/bjca/trust/push/manager/PushSdkManager.kt b/push/src/main/java/cn/org/bjca/trust/push/manager/PushSdkManager.kt
index 6c184c7..b3734fe 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/manager/PushSdkManager.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/manager/PushSdkManager.kt
@@ -52,7 +52,7 @@ class PushSdkManager : SdkInterface {
     }
 
     override fun unregister(context: Context, userId: String) {
-        TODO("Not yet implemented")
+        ImManager.instance.unregister()
     }
 
 
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/ImCallback.kt b/push/src/main/java/cn/org/bjca/trust/push/message/ImCallback.kt
index ce6fa0b..920d832 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/message/ImCallback.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/ImCallback.kt
@@ -8,12 +8,12 @@ import cn.org.bjca.trust.push.message.msg.Message
 import cn.org.bjca.trust.push.message.msg.SendMessage
 
 class ImCallback : CallbackListener {
-    override fun sendComplete(msg: SendMessage) {
+    override fun sendComplete(msg: Message) {
         LogHelper.d("------发送消息完成------")
     }
 
-    override fun sendError(msg: SendMessage) {
-        LogHelper.d("消息发送失败")
+    override fun sendError(code:String, msg: Message) {
+        LogHelper.d("消息发送失败::${code}")
     }
 
     override fun messageArrived(msg: Message) {
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/callback/CallbackListener.kt b/push/src/main/java/cn/org/bjca/trust/push/message/callback/CallbackListener.kt
index 4674d36..0f7e2b1 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/message/callback/CallbackListener.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/callback/CallbackListener.kt
@@ -7,10 +7,10 @@ import cn.org.bjca.trust.push.message.msg.SendMessage
 
 interface CallbackListener {
     // 发送消息完成
-    fun sendComplete(msg: SendMessage)
+    fun sendComplete(msg: Message)
 
     // 发送消息失败
-    fun sendError(msg: SendMessage)
+    fun sendError(code:String, msg: Message)
 
     // 消息到达
     fun messageArrived(msg: Message)
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/client/ImClient.kt b/push/src/main/java/cn/org/bjca/trust/push/message/client/ImClient.kt
index f25c670..3561660 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/message/client/ImClient.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/client/ImClient.kt
@@ -1,14 +1,20 @@
 package cn.org.bjca.trust.push.message.client
 
+import android.os.Handler
+import android.os.Looper
+import android.os.Message
+import cn.org.bjca.trust.push.BuildConfig
+import cn.org.bjca.trust.push.common.DeviceHelper
 import cn.org.bjca.trust.push.common.LogHelper
 import cn.org.bjca.trust.push.common.MessageHelper
 import cn.org.bjca.trust.push.common.json.GsonImplHelp
 import cn.org.bjca.trust.push.db.DbHelper
 import cn.org.bjca.trust.push.db.message.SzyxMessage
 import cn.org.bjca.trust.push.enums.ConnAckReturnCode
-import cn.org.bjca.trust.push.enums.MsgType
+import cn.org.bjca.trust.push.enums.OsType
+import cn.org.bjca.trust.push.enums.PacketType
 import cn.org.bjca.trust.push.kit.ImClientInterface
-import cn.org.bjca.trust.push.message.msg.SendMessage
+import cn.org.bjca.trust.push.message.msg.*
 import org.eclipse.paho.client.mqttv3.*
 import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
 import java.util.concurrent.Executors
@@ -93,26 +99,7 @@ class ImClient : ImClientInterface {
                 }
 
                 override fun messageArrived(topic: String?, message: MqttMessage) {
-                    val sendMessage = GsonImplHelp.get()
-                        .toObject(String(message.payload, Charsets.UTF_8), SendMessage::class.java)
-                    DbHelper.getDataBase().messageDao().insertAll(
-                        SzyxMessage(
-                            sendMessage.messageId,
-                            sendMessage.timestamp,
-                            sendMessage.fromClientId,
-                            sendMessage.toClientId,
-                            sendMessage.target,
-                            sendMessage.messageType,
-                            sendMessage.message,
-                            sendMessage.tenantNo
-                        )
-                    )
-                    MessageHelper.parseMessage(
-                        MsgType.getMsgType(sendMessage.messageType),
-                        sendMessage
-                    )?.also {
-                        connectOptions.callback?.messageArrived(it)
-                    }
+                    arrived(message.payload)
                 }
 
                 override fun deliveryComplete(token: IMqttDeliveryToken?) {
@@ -123,13 +110,63 @@ class ImClient : ImClientInterface {
 
                 override fun connectComplete(reconnect: Boolean, serverURI: String) {
                     startReconnect()
-                    connectOptions.callback?.connected()
-                    mqttArrivedClient.subscribe(connectOptions.clientId, 2)
                 }
             })
         }
     }
 
+    private fun arrived(payload: ByteArray) {
+        val msg =
+            GsonImplHelp.get().toObject(String(payload, Charsets.UTF_8), BaseMessage::class.java)
+
+        LogHelper.e(GsonImplHelp.get().toJson(msg))
+
+        when (msg.getPacketType()) {
+            PacketType.CONNACK -> {
+                connectOptions.callback?.connected()
+            }
+            PacketType.SEND -> {
+                val sendMessage = GsonImplHelp.get().toObject(String(payload, Charsets.UTF_8), SendMessage::class.java)
+                // 存表
+                DbHelper.getDataBase().messageDao().insertAll(
+                    SzyxMessage(
+                        sendMessage.messageId,
+                        sendMessage.timestamp,
+                        sendMessage.fromClientId,
+                        sendMessage.toClientId,
+                        sendMessage.target,
+                        sendMessage.messageType,
+                        sendMessage.message,
+                        sendMessage.tenantNo,
+                        1
+                    )
+                )
+                // 回复服务端收到
+                sendMessage.messageId?.let { ackMessage(it) }
+                // 通知app新消息到达
+                MessageHelper.parseMessage(sendMessage)?.also {
+                    connectOptions.callback?.messageArrived(it)
+                }
+            }
+            PacketType.SENDACK -> {
+                val ackSendMessage = GsonImplHelp.get().toObject(String(payload, Charsets.UTF_8), AckSendMessage::class.java)
+                ackSendMessage.messageId?.let {
+                    MessageHelper.changeStatus(it, true)
+                        ?.let { it1 -> connectOptions.callback?.sendComplete(it1) }
+                }
+
+            }
+            PacketType.PANG -> {
+
+            }
+            else -> {
+
+            }
+        }
+
+
+    }
+
     override fun reConnect() {
         if (!startConnect) return
         init()
@@ -138,19 +175,31 @@ class ImClient : ImClientInterface {
 
     override fun disConnect() {
         startConnect = false
-        init()
-        mqttArrivedClient.disconnect()
-        mqttSendClient.disconnect()
+        if (::mqttArrivedClient.isInitialized && mqttArrivedClient.isConnected) mqttArrivedClient.disconnect()
+        if (::mqttSendClient.isInitialized && mqttSendClient.isConnected) mqttSendClient.disconnect()
+        isConnecting = false
     }
 
+
     private lateinit var scheduler: ScheduledExecutorService
+    private lateinit var pingScheduler: ScheduledExecutorService
 
     fun startReconnect() {
         if (!::scheduler.isInitialized) {
+            mqttArrivedClient.subscribe(connectOptions.clientId, 2)
+            LogHelper.e("'----------------------------------------------'")
+            sendConnectMessage()
             scheduler = Executors.newSingleThreadScheduledExecutor()
             scheduler.scheduleAtFixedRate({
                 reConnect()
-            }, 2, 5, TimeUnit.SECONDS)
+            }, 2, 3, TimeUnit.SECONDS)
+        }
+
+        if (!::pingScheduler.isInitialized) {
+            pingScheduler = Executors.newSingleThreadScheduledExecutor()
+            pingScheduler.scheduleAtFixedRate({
+                ping()
+            }, 3, connectOptions.pingInterval.toLong(), TimeUnit.SECONDS)
         }
 
     }
@@ -164,20 +213,28 @@ class ImClient : ImClientInterface {
     }
 
     override fun isConnecting(): Boolean {
-        return false
+        return isConnecting
+    }
+
+    private val handler = object : Handler(Looper.getMainLooper()) {
+        override fun handleMessage(msg: Message) {
+            super.handleMessage(msg)
+            val msgId = msg.obj as String
+            MessageHelper.changeStatus(msgId, false)?.let {
+                connectOptions.callback?.sendError("1001", it)
+            }
+        }
+
     }
 
     override fun sendMessage(msg: SendMessage) {
         if (!isConnect()) {
-            connectOptions.callback?.sendError(msg)
+            MessageHelper.parseMessage(msg)?.let { connectOptions.callback?.sendError("1002", it) }
             return
         }
         try {
             mqttSendClient.publish(
-                "server",
-                GsonImplHelp.get().toJson(msg).toByteArray(Charsets.UTF_8),
-                2,
-                true
+                "server", GsonImplHelp.get().toJson(msg).toByteArray(Charsets.UTF_8), 2, true
             )
             DbHelper.getDataBase().messageDao().insertAll(
                 SzyxMessage(
@@ -188,15 +245,99 @@ class ImClient : ImClientInterface {
                     msg.target,
                     msg.messageType,
                     msg.message,
-                    msg.tenantNo
+                    msg.tenantNo,
+                    0
                 )
             )
-            connectOptions.callback?.sendComplete(msg)
+            handler.sendMessageDelayed(android.os.Message().apply {
+                what = 10086
+                obj = msg.messageId
+            }, 1500)
         } catch (e: MqttException) {
             LogHelper.e("发送消息失败", e)
-
-            connectOptions.callback?.sendError(msg)
             e.printStackTrace()
+            MessageHelper.parseMessage(msg)?.let { connectOptions.callback?.sendError("1003", it) }
+        }
+    }
+
+    override fun unregister() {
+        if (!isConnect()) {
+            disConnect()
+            return
+        }
+        try {
+            mqttSendClient.publish(
+                "server",
+                GsonImplHelp.get().toJson(DisconnectMessage()).toByteArray(Charsets.UTF_8),
+                2,
+                false
+            )
+            disConnect()
+        } catch (e: MqttException) {
+            LogHelper.d("发送消息失败", e)
+        }
+    }
+
+
+    /**
+     * im连接成功，发送上线消息
+     */
+    private fun sendConnectMessage() {
+        if (!isConnect()) {
+            return
+        }
+        try {
+            mqttSendClient.publish(
+                "server", GsonImplHelp.get().toJson(ConnectMessage().apply {
+                    osType = OsType.ANDROID
+                    osVer = DeviceHelper.getDevice().model
+                    sdkVer = BuildConfig.versionName
+                    clientId = connectOptions.clientId
+                    deviceId = connectOptions.deviceId
+                }).toByteArray(Charsets.UTF_8), 2, false
+            )
+        } catch (e: MqttException) {
+            LogHelper.d("ping失败", e)
+        }
+
+    }
+
+    /**
+     * ping
+     */
+    private fun ping() {
+        if (!isConnect()) {
+            return
+        }
+        try {
+            mqttSendClient.publish(
+                "server",
+                GsonImplHelp.get().toJson(PingMessage()).toByteArray(Charsets.UTF_8),
+                2,
+                false
+            )
+        } catch (e: MqttException) {
+            LogHelper.d("ping失败", e)
+        }
+
+    }
+
+    /**
+     * ack
+     */
+    private fun ackMessage(msgId: String) {
+        if (!isConnect()) {
+            return
+        }
+        try {
+            mqttSendClient.publish(
+                "server", GsonImplHelp.get().toJson(AckSendMessage().apply {
+                    messageId = msgId
+                }).toByteArray(Charsets.UTF_8), 2, false
+            )
+        } catch (e: MqttException) {
+            LogHelper.d("ping失败", e)
         }
+
     }
 }
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/client/ImConnectOptions.kt b/push/src/main/java/cn/org/bjca/trust/push/message/client/ImConnectOptions.kt
index 9711395..05c009b 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/message/client/ImConnectOptions.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/client/ImConnectOptions.kt
@@ -21,5 +21,4 @@ class ImConnectOptions(
     var connectTimeOutSecond = 30
     var callback: CallbackListener? = null
     var qrCodeType: QRCodeType? = null
-    var pingService: PingService? = null
 }
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/msg/AckSendMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/message/msg/AckSendMessage.kt
new file mode 100644
index 0000000..eb90d01
--- /dev/null
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/msg/AckSendMessage.kt
@@ -0,0 +1,7 @@
+package cn.org.bjca.trust.push.message.msg
+
+import cn.org.bjca.trust.push.enums.PacketType
+
+class AckSendMessage : BaseMessage(PacketType.SENDACK) {
+    var messageId: String? = null
+}
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/msg/BaseMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/message/msg/BaseMessage.kt
index c92d5f4..005bd82 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/message/msg/BaseMessage.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/msg/BaseMessage.kt
@@ -21,11 +21,11 @@ open class BaseMessage protected constructor(packetType: PacketType) {
     open fun getClassz(packetType: PacketType): Class<*> {
         return when (packetType) {
             PacketType.CONNECT -> ConnectMessage::class.java
-//            PacketType.CONNACK -> ConnAckMessage::class.java
+            PacketType.CONNACK -> ConnAckMessage::class.java
             PacketType.SEND -> SendMessage::class.java
-//            PacketType.SENDACK -> SendAckMessage::class.java
-//            PacketType.PINGREQ -> PingReqMessage::class.java
-//            PacketType.PINGRESP -> PingRespMessage::class.java
+            PacketType.SENDACK -> AckSendMessage::class.java
+            PacketType.PING -> PingMessage::class.java
+            PacketType.PANG -> PangMessage::class.java
             PacketType.DISCONNECT -> DisconnectMessage::class.java
             else -> throw IllegalStateException("协议类型不正确！")
         }
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/msg/ConnAckMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/message/msg/ConnAckMessage.kt
new file mode 100644
index 0000000..a7deaf8
--- /dev/null
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/msg/ConnAckMessage.kt
@@ -0,0 +1,6 @@
+package cn.org.bjca.trust.push.message.msg
+
+import cn.org.bjca.trust.push.enums.PacketType
+
+class ConnAckMessage:BaseMessage(PacketType.CONNACK) {
+}
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/msg/ConnectMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/message/msg/ConnectMessage.kt
index 4be4228..2e3e48d 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/message/msg/ConnectMessage.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/msg/ConnectMessage.kt
@@ -11,6 +11,7 @@ class ConnectMessage : BaseMessage(PacketType.CONNECT) {
     var sessionKey: String? = null
     var osType: OsType? = null
     var osVer: String? = null
+    var sdkVer: String? = null
     var deviceType: DeviceType? = null
     var token: String? = null
     var clientId: String? = null
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/msg/DisconnectMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/message/msg/DisconnectMessage.kt
index cacf46b..a54ff57 100644
--- a/push/src/main/java/cn/org/bjca/trust/push/message/msg/DisconnectMessage.kt
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/msg/DisconnectMessage.kt
@@ -1,8 +1,6 @@
 package cn.org.bjca.trust.push.message.msg
 
 import cn.org.bjca.trust.push.enums.PacketType
-import cn.org.bjca.trust.push.message.msg.BaseMessage
 
 class DisconnectMessage : BaseMessage(PacketType.DISCONNECT) {
-    var requestCode: Int? = -1
 }
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/msg/PangMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/message/msg/PangMessage.kt
new file mode 100644
index 0000000..634673a
--- /dev/null
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/msg/PangMessage.kt
@@ -0,0 +1,6 @@
+package cn.org.bjca.trust.push.message.msg
+
+import cn.org.bjca.trust.push.enums.PacketType
+
+class PangMessage : BaseMessage(PacketType.PANG) {
+}
\ No newline at end of file
diff --git a/push/src/main/java/cn/org/bjca/trust/push/message/msg/PingMessage.kt b/push/src/main/java/cn/org/bjca/trust/push/message/msg/PingMessage.kt
new file mode 100644
index 0000000..a5d49f7
--- /dev/null
+++ b/push/src/main/java/cn/org/bjca/trust/push/message/msg/PingMessage.kt
@@ -0,0 +1,6 @@
+package cn.org.bjca.trust.push.message.msg
+
+import cn.org.bjca.trust.push.enums.PacketType
+
+class PingMessage : BaseMessage(PacketType.PING) {
+}
\ No newline at end of file