diff --git a/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/enums/PacketType.java b/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/enums/PacketType.java
index 2888fd9..0f0a928 100644
--- a/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/enums/PacketType.java
+++ b/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/enums/PacketType.java
@@ -7,8 +7,6 @@ public enum PacketType {
     //发送消息
     SEND(20),
     SEND_ACK(21),
-    ARRIVE(30),
-    ARRIVE_ACK(31),
     //心跳包
     PING(40),
     PANG(41),
diff --git a/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/ImManager.java b/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/ImManager.java
index 773a4f8..67abd53 100644
--- a/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/ImManager.java
+++ b/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/ImManager.java
@@ -96,7 +96,7 @@ public class ImManager implements IMInterface {
     private void initTopic() {
         topic_send_ack = Constant.getSdkAppID() + "/" + PacketType.SEND_ACK + Constant.getUserId();
         topic_connected = Constant.getSdkAppID() + "/" + PacketType.CONNECTED + Constant.getUserId();
-        topic_arrive = Constant.getSdkAppID() + "/" + PacketType.ARRIVE + Constant.getUserId();
+        topic_arrive = Constant.getSdkAppID() + "/" + PacketType.SEND + Constant.getUserId();
         topic_pang = Constant.getSdkAppID() + "/" + PacketType.PANG + Constant.getUserId();
         topic_result = Constant.getSdkAppID() + "/" + PacketType.RESULT + Constant.getUserId();
         topic_system = Constant.getSdkAppID() + "/" + PacketType.SYSTEM + Constant.getUserId();
@@ -244,7 +244,7 @@ public class ImManager implements IMInterface {
         szyxMessage.setDescribe(describe);
         szyxMessage.setGroup(isGroup);
         szyxMessage.setStatus(1);
-        szyxMessage.setFromClient(UserManager.getInstance().getUserInfo());
+        szyxMessage.setFromClient(UserManager.getInstance().getUserInfoForMsg());
         if (isGroup)
             szyxMessage.setGroupID(toUserId);
         else
@@ -272,7 +272,7 @@ public class ImManager implements IMInterface {
 
     private void sendAckMsg(String msgId) {
         SendAckMessage message = new SendAckMessage();
-        message.setMsgId(msgId);
+        message.setAckId(msgId);
         sendPacketMessage(PacketType.SEND_ACK, message, null);
     }
 
diff --git a/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/UserManager.java b/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/UserManager.java
index 9fb4f14..8ff4474 100644
--- a/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/UserManager.java
+++ b/SzyxImSdk/src/main/java/cn/org/bjca/trust/android/lib/im/im/manager/UserManager.java
@@ -16,15 +16,23 @@ public class UserManager {
 
     }
     private UserInfo userInfo;
+    private UserInfo userInfoForMsg;
 
     public UserInfo getUserInfo() {
         return userInfo;
     }
-    public UserInfo getUserInfoForMessage() {
-        return userInfo;
+    public UserInfo getUserInfoForMsg() {
+        return userInfoForMsg;
     }
 
     public void setUserInfo(UserInfo userInfo) {
         this.userInfo = userInfo;
+        UserInfo u = new UserInfo();
+        u.setUserId(userInfo.getUserId());
+        u.setGender(userInfo.getGender());
+        u.setNickName(userInfo.getNickName());
+        u.setFaceUrl(userInfo.getFaceUrl());
+        u.setOsType(userInfo.getOsType());
+        this.userInfoForMsg = u;
     }
 }