diff --git a/src/main/java/com/dispose/controller/kafkaController.java b/src/main/java/com/dispose/controller/kafkaController.java
index 113d7aed..39454035 100644
--- a/src/main/java/com/dispose/controller/kafkaController.java
+++ b/src/main/java/com/dispose/controller/kafkaController.java
@@ -11,7 +11,6 @@ import com.dispose.pojo.dto.protocol.base.ProtocolRespDTO;
 import com.dispose.pojo.dto.protocol.kafka.EmosAlarmInfo;
 import com.dispose.pojo.dto.protocol.kafka.AlarmInfoReq;
 import com.dispose.pojo.entity.AlarmInformation;
-import com.dispose.pojo.entity.MsgSerial;
 import com.dispose.pojo.po.MulReturnType;
 import com.dispose.security.annotation.Decryption;
 import com.dispose.security.annotation.Encryption;
@@ -121,8 +120,7 @@ public class kafkaController {
         try {
             long dbIncrement = msgSerialService.getMaxMessageSerial();
             long increment = dbIncrement + 1;
-            MsgSerial msgSerial = MsgSerial.builder().msgSerial(increment).build();
-            MulReturnType<ErrorCode, Long> returnType = msgSerialService.addMessageSerial(msgSerial);
+            MulReturnType<ErrorCode, Long> returnType = msgSerialService.updateMessageSerial(increment);
             if (returnType.getFirstParam() == ErrorCode.ERR_OK) {
                 increment = returnType.getSecondParam();
             } else {
diff --git a/src/main/java/com/dispose/manager/MsgSerialManager.java b/src/main/java/com/dispose/manager/MsgSerialManager.java
index bebda584..308c9bca 100644
--- a/src/main/java/com/dispose/manager/MsgSerialManager.java
+++ b/src/main/java/com/dispose/manager/MsgSerialManager.java
@@ -1,7 +1,6 @@
 package com.dispose.manager;
 
 import com.dispose.common.ErrorCode;
-import com.dispose.pojo.entity.MsgSerial;
 
 public interface MsgSerialManager {
     /**
@@ -10,7 +9,7 @@ public interface MsgSerialManager {
      * @param msgSerial the message serial
      * @return the error code
      */
-    ErrorCode addMsgSerialNumber(MsgSerial msgSerial);
+    ErrorCode updateMsgSerialNumber(Long msgSerial);
 
     /**
      * get new max message serial.
diff --git a/src/main/java/com/dispose/manager/impl/MsgSerialManagerImpl.java b/src/main/java/com/dispose/manager/impl/MsgSerialManagerImpl.java
index 2c70f843..f00941a2 100644
--- a/src/main/java/com/dispose/manager/impl/MsgSerialManagerImpl.java
+++ b/src/main/java/com/dispose/manager/impl/MsgSerialManagerImpl.java
@@ -3,7 +3,6 @@ package com.dispose.manager.impl;
 import com.dispose.common.ErrorCode;
 import com.dispose.manager.MsgSerialManager;
 import com.dispose.mapper.MsgSerialMapper;
-import com.dispose.pojo.entity.MsgSerial;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
@@ -30,8 +29,8 @@ public class MsgSerialManagerImpl implements MsgSerialManager {
      * @return the error code
      */
     @Override
-    public ErrorCode addMsgSerialNumber(MsgSerial msgSerial) {
-        if (msgSerialMapper.addMsgSerial(msgSerial) == 1) {
+    public ErrorCode updateMsgSerialNumber(Long msgSerial) {
+        if (msgSerialMapper.updateMsgSerial(msgSerial) == 1) {
             return ErrorCode.ERR_OK;
         } else {
             return ErrorCode.ERR_DATABASE;
diff --git a/src/main/java/com/dispose/mapper/MsgSerialMapper.java b/src/main/java/com/dispose/mapper/MsgSerialMapper.java
index 46402b16..33a63047 100644
--- a/src/main/java/com/dispose/mapper/MsgSerialMapper.java
+++ b/src/main/java/com/dispose/mapper/MsgSerialMapper.java
@@ -1,7 +1,5 @@
 package com.dispose.mapper;
 
-import com.dispose.pojo.entity.MsgSerial;
-
 /**
  * The interface message serial mapper.
  *
@@ -10,12 +8,12 @@ import com.dispose.pojo.entity.MsgSerial;
 public interface MsgSerialMapper {
 
     /**
-     * Add new task int.
+     * Update new task int.
      *
      * @param msgSerial the msgSerial number
      * @return the int
      */
-    int addMsgSerial(MsgSerial msgSerial);
+    int updateMsgSerial(Long msgSerial);
 
     /**
      * get new max message serial.
diff --git a/src/main/java/com/dispose/service/MsgSerialService.java b/src/main/java/com/dispose/service/MsgSerialService.java
index 6d6af602..26a3599f 100644
--- a/src/main/java/com/dispose/service/MsgSerialService.java
+++ b/src/main/java/com/dispose/service/MsgSerialService.java
@@ -1,17 +1,16 @@
 package com.dispose.service;
 
 import com.dispose.common.ErrorCode;
-import com.dispose.pojo.entity.MsgSerial;
 import com.dispose.pojo.po.MulReturnType;
 
 public interface MsgSerialService {
     /**
-     * add message serial.
+     * update message serial.
      *
      * @param msgSerial the message serial
      * @return the mul return type
      */
-    MulReturnType<ErrorCode, Long> addMessageSerial(MsgSerial msgSerial);
+    MulReturnType<ErrorCode, Long> updateMessageSerial(Long msgSerial);
 
     /**
      * get new max message serial.
diff --git a/src/main/java/com/dispose/service/impl/MsgSerialServiceImpl.java b/src/main/java/com/dispose/service/impl/MsgSerialServiceImpl.java
index 63be8481..8d1eb472 100644
--- a/src/main/java/com/dispose/service/impl/MsgSerialServiceImpl.java
+++ b/src/main/java/com/dispose/service/impl/MsgSerialServiceImpl.java
@@ -2,7 +2,6 @@ package com.dispose.service.impl;
 
 import com.dispose.common.ErrorCode;
 import com.dispose.manager.MsgSerialManager;
-import com.dispose.pojo.entity.MsgSerial;
 import com.dispose.pojo.po.MulReturnType;
 import com.dispose.service.MsgSerialService;
 import org.springframework.stereotype.Service;
@@ -21,18 +20,17 @@ public class MsgSerialServiceImpl implements MsgSerialService {
      * @return the mul return type
      */
     @Override
-    public MulReturnType<ErrorCode, Long> addMessageSerial(MsgSerial msgSerial) {
+    public MulReturnType<ErrorCode, Long> updateMessageSerial(Long msgSerial) {
         //告警序号的最大值2^32-1
         long indexEnd = 4294967295L;
         long indexStart = 1L;
-        long currentSerial = msgSerial.getMsgSerial();
         //编号从1开始，以实时消息发布通道为单位进行编号。如果编号超过最大正整数(2^32-1)，重新从1开始编号。
-        if (currentSerial > indexEnd) {
-            currentSerial = indexStart;
+        if (msgSerial > indexEnd) {
+            msgSerial = indexStart;
         }
 
-        if (msgSerialManager.addMsgSerialNumber(msgSerial) == ErrorCode.ERR_OK) {
-            return new MulReturnType<>(ErrorCode.ERR_OK, currentSerial);
+        if (msgSerialManager.updateMsgSerialNumber(msgSerial) == ErrorCode.ERR_OK) {
+            return new MulReturnType<>(ErrorCode.ERR_OK, msgSerial);
         } else {
             return new MulReturnType<>(ErrorCode.ERR_DATABASE, null);
         }
diff --git a/src/main/resources/mappers/MsgSerial.xml b/src/main/resources/mappers/MsgSerial.xml
index 4e9ceaa8..14aa6d8e 100644
--- a/src/main/resources/mappers/MsgSerial.xml
+++ b/src/main/resources/mappers/MsgSerial.xml
@@ -6,14 +6,12 @@
         <result column="msgSerial" property="msgSerial"/>
     </resultMap>
 
-    <insert id="addMsgSerial" useGeneratedKeys="true" keyProperty="id"
-            parameterType="com.dispose.pojo.entity.MsgSerial">
-        INSERT
-        IGNORE INTO msg_serial(msgSerial)
-        VALUES (
-        #{msgSerial}
-        )
-    </insert>
+    <update id="updateMsgSerial">
+        UPDATE
+            msg_serial
+        SET msgSerial = #{msgSerial}
+        WHERE id = 1;
+    </update>
 
     <select id="getMaxMsgSerial" resultType="java.lang.Long">
         SELECT msgSerial
diff --git a/src/test/java/com/dispose/test/dev/mapper/MsgSerialMapperTest.java b/src/test/java/com/dispose/test/dev/mapper/MsgSerialMapperTest.java
index c64b40db..c80abcc1 100644
--- a/src/test/java/com/dispose/test/dev/mapper/MsgSerialMapperTest.java
+++ b/src/test/java/com/dispose/test/dev/mapper/MsgSerialMapperTest.java
@@ -1,7 +1,6 @@
 package com.dispose.test.dev.mapper;
 
 import com.dispose.mapper.MsgSerialMapper;
-import com.dispose.pojo.entity.MsgSerial;
 import com.dispose.test.dev.Global.InitTestEnvironment;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.Assert;
@@ -36,22 +35,16 @@ public class MsgSerialMapperTest extends InitTestEnvironment {
      */
     @Test
     public void a1_addMsgSerial() {
-        for (long i = 1L; i <= 10L; i++) {
-            MsgSerial msgSerial = MsgSerial.builder()
-                    .msgSerial(i)
-                    .build();
-            log.info("++++++++++++++++++MsgSerial {}", msgSerial.toString());
-            msgSerialMapper.addMsgSerial(msgSerial);
+        for (long msgSerial = 1L; msgSerial <= 10L; msgSerial++) {
+            log.info("++++++++++++++++++MsgSerial {}", msgSerial);
+            msgSerialMapper.updateMsgSerial(msgSerial);
         }
     }
 
     @Test
     public void a2_getMaxMsgSerial() {
-        for (long i = 1L; i <= 16L; i++) {
-            MsgSerial msgSerial = MsgSerial.builder()
-                    .msgSerial(i)
-                    .build();
-            msgSerialMapper.addMsgSerial(msgSerial);
+        for (long msgSerial = 1L; msgSerial <= 16L; msgSerial++) {
+            msgSerialMapper.updateMsgSerial(msgSerial);
         }
         long maxMsgSerial = msgSerialMapper.getMaxMsgSerial();
         log.info("+++++++++++++++++++ max MsgSerial {}", maxMsgSerial);