diff --git a/include/common/tmsgdef.h b/include/common/tmsgdef.h
index acf08bd47e3cf9ae756fae10aab6ed9a4b23f34c..926d4eb51fbc75f2a3293ff01880919e03d50c37 100644
--- a/include/common/tmsgdef.h
+++ b/include/common/tmsgdef.h
@@ -236,6 +236,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_SYNC_REQUEST_VOTE, "sync-request-vote", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_SYNC_REQUEST_VOTE_REPLY, "sync-request-vote-reply", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_SYNC_APPEND_ENTRIES, "sync-append-entries", NULL, NULL)
+  TD_DEF_MSG_TYPE(TDMT_SYNC_APPEND_ENTRIES_BATCH, "sync-append-entries-batch", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_SYNC_APPEND_ENTRIES_REPLY, "sync-append-entries-reply", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_SYNC_NOOP, "sync-noop", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_SYNC_UNKNOWN, "sync-unknown", NULL, NULL)
diff --git a/include/libs/sync/syncTools.h b/include/libs/sync/syncTools.h
index 46f279ed851070fedc26213e58c9df0279b02f6c..8975f930dbcfcbaf23a77623bc9bdd2a57c23ef5 100644
--- a/include/libs/sync/syncTools.h
+++ b/include/libs/sync/syncTools.h
@@ -325,22 +325,49 @@ void syncAppendEntriesLog(const SyncAppendEntries* pMsg);
 void syncAppendEntriesLog2(char* s, const SyncAppendEntries* pMsg);
 
 // ---------------------------------------------
+typedef struct SOffsetAndContLen {
+  int32_t offset;
+  int32_t contLen;
+} SOffsetAndContLen;
+
 typedef struct SyncAppendEntriesBatch {
   uint32_t bytes;
   int32_t  vgId;
   uint32_t msgType;
   SRaftId  srcId;
   SRaftId  destId;
+
   // private data
   SyncTerm  term;
   SyncIndex prevLogIndex;
   SyncTerm  prevLogTerm;
   SyncIndex commitIndex;
   SyncTerm  privateTerm;
+  int32_t   dataCount;
   uint32_t  dataLen;
   char      data[];
 } SyncAppendEntriesBatch;
 
+SyncAppendEntriesBatch* syncAppendEntriesBatchBuild(SRpcMsg* rpcMsgArr, int32_t arrSize, int32_t vgId);
+void                    syncAppendEntriesBatchDestroy(SyncAppendEntriesBatch* pMsg);
+void                    syncAppendEntriesBatchSerialize(const SyncAppendEntriesBatch* pMsg, char* buf, uint32_t bufLen);
+void                    syncAppendEntriesBatchDeserialize(const char* buf, uint32_t len, SyncAppendEntriesBatch* pMsg);
+char*                   syncAppendEntriesBatchSerialize2(const SyncAppendEntriesBatch* pMsg, uint32_t* len);
+SyncAppendEntriesBatch* syncAppendEntriesBatchDeserialize2(const char* buf, uint32_t len);
+void                    syncAppendEntriesBatch2RpcMsg(const SyncAppendEntriesBatch* pMsg, SRpcMsg* pRpcMsg);
+void                    syncAppendEntriesBatchFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntriesBatch* pMsg);
+SyncAppendEntriesBatch* syncAppendEntriesBatchFromRpcMsg2(const SRpcMsg* pRpcMsg);
+cJSON*                  syncAppendEntriesBatch2Json(const SyncAppendEntriesBatch* pMsg);
+char*                   syncAppendEntriesBatch2Str(const SyncAppendEntriesBatch* pMsg);
+void syncAppendEntriesBatch2RpcMsgArray(SyncAppendEntriesBatch* pSyncMsg, SRpcMsg* rpcMsgArr, int32_t maxArrSize,
+                                        int32_t* pRetArrSize);
+
+// for debug ----------------------
+void syncAppendEntriesBatchPrint(const SyncAppendEntriesBatch* pMsg);
+void syncAppendEntriesBatchPrint2(char* s, const SyncAppendEntriesBatch* pMsg);
+void syncAppendEntriesBatchLog(const SyncAppendEntriesBatch* pMsg);
+void syncAppendEntriesBatchLog2(char* s, const SyncAppendEntriesBatch* pMsg);
+
 // ---------------------------------------------
 typedef struct SyncAppendEntriesReply {
   uint32_t bytes;
diff --git a/source/libs/sync/inc/syncSnapshot.h b/source/libs/sync/inc/syncSnapshot.h
index 14688f89129414ed0d1a30a60db379b9ffb49397..a9b4470b423e4aedcb8755df9f23397ba7f01fe7 100644
--- a/source/libs/sync/inc/syncSnapshot.h
+++ b/source/libs/sync/inc/syncSnapshot.h
@@ -40,8 +40,8 @@ typedef struct SSyncSnapshotSender {
   bool       start;
   int32_t    seq;
   int32_t    ack;
-  void      *pReader;
-  void      *pCurrentBlock;
+  void *     pReader;
+  void *     pCurrentBlock;
   int32_t    blockLen;
   SSnapshot  snapshot;
   SSyncCfg   lastConfig;
@@ -62,14 +62,14 @@ int32_t              snapshotSend(SSyncSnapshotSender *pSender);
 int32_t              snapshotReSend(SSyncSnapshotSender *pSender);
 
 cJSON *snapshotSender2Json(SSyncSnapshotSender *pSender);
-char  *snapshotSender2Str(SSyncSnapshotSender *pSender);
-char  *snapshotSender2SimpleStr(SSyncSnapshotSender *pSender, char *event);
+char * snapshotSender2Str(SSyncSnapshotSender *pSender);
+char * snapshotSender2SimpleStr(SSyncSnapshotSender *pSender, char *event);
 
 //---------------------------------------------------
 typedef struct SSyncSnapshotReceiver {
   bool       start;
   int32_t    ack;
-  void      *pWriter;
+  void *     pWriter;
   SyncTerm   term;
   SyncTerm   privateTerm;
   SSnapshot  snapshot;
@@ -85,8 +85,8 @@ bool snapshotReceiverIsStart(SSyncSnapshotReceiver *pReceiver);
 void snapshotReceiverStop(SSyncSnapshotReceiver *pReceiver);
 
 cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver);
-char  *snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver);
-char  *snapshotReceiver2SimpleStr(SSyncSnapshotReceiver *pReceiver, char *event);
+char * snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver);
+char * snapshotReceiver2SimpleStr(SSyncSnapshotReceiver *pReceiver, char *event);
 
 //---------------------------------------------------
 // on message
diff --git a/source/libs/sync/src/syncMessage.c b/source/libs/sync/src/syncMessage.c
index 119a178893ab66bb3b3edd5fec89389e139fabaf..acece6d48a1d77743898735490f1ff2ac48b15f6 100644
--- a/source/libs/sync/src/syncMessage.c
+++ b/source/libs/sync/src/syncMessage.c
@@ -591,7 +591,7 @@ void syncPingReplySerialize(const SyncPingReply* pMsg, char* buf, uint32_t bufLe
 void syncPingReplyDeserialize(const char* buf, uint32_t len, SyncPingReply* pMsg) {
   memcpy(pMsg, buf, len);
   ASSERT(len == pMsg->bytes);
-  ASSERT(pMsg->bytes == sizeof(SyncPing) + pMsg->dataLen);
+  ASSERT(pMsg->bytes == sizeof(SyncPingReply) + pMsg->dataLen);
 }
 
 char* syncPingReplySerialize2(const SyncPingReply* pMsg, uint32_t* len) {
@@ -1426,6 +1426,279 @@ void syncAppendEntriesLog2(char* s, const SyncAppendEntries* pMsg) {
   }
 }
 
+// ---- message process SyncAppendEntriesBatch----
+
+// block1: SOffsetAndContLen
+// block2: SOffsetAndContLen Array
+// block3: SRpcMsg Array
+// block4: SRpcMsg pCont Array
+
+SyncAppendEntriesBatch* syncAppendEntriesBatchBuild(SRpcMsg* rpcMsgArr, int32_t arrSize, int32_t vgId) {
+  ASSERT(rpcMsgArr != NULL);
+  ASSERT(arrSize > 0);
+
+  int32_t dataLen = 0;
+  int32_t metaArrayLen = sizeof(SOffsetAndContLen) * arrSize;  // <offset, contLen>
+  int32_t rpcArrayLen = sizeof(SRpcMsg) * arrSize;             // SRpcMsg
+  int32_t contArrayLen = 0;
+  for (int i = 0; i < arrSize; ++i) {  // SRpcMsg pCont
+    contArrayLen += rpcMsgArr[i].contLen;
+  }
+  dataLen += (metaArrayLen + rpcArrayLen + contArrayLen);
+
+  uint32_t                bytes = sizeof(SyncAppendEntriesBatch) + dataLen;
+  SyncAppendEntriesBatch* pMsg = taosMemoryMalloc(bytes);
+  memset(pMsg, 0, bytes);
+  pMsg->bytes = bytes;
+  pMsg->vgId = vgId;
+  pMsg->msgType = TDMT_SYNC_APPEND_ENTRIES_BATCH;
+  pMsg->dataCount = arrSize;
+  pMsg->dataLen = dataLen;
+
+  SOffsetAndContLen* metaArr = (SOffsetAndContLen*)(pMsg->data);
+  SRpcMsg*           msgArr = (SRpcMsg*)((char*)(pMsg->data) + metaArrayLen);
+  char*              pData = pMsg->data;
+
+  for (int i = 0; i < arrSize; ++i) {
+    // init <offset, contLen>
+    if (i == 0) {
+      metaArr[i].offset = metaArrayLen + rpcArrayLen;
+      metaArr[i].contLen = rpcMsgArr[i].contLen;
+    } else {
+      metaArr[i].offset = metaArr[i - 1].offset + metaArr[i - 1].contLen;
+      metaArr[i].contLen = rpcMsgArr[i].contLen;
+    }
+
+    // init msgArr
+    msgArr[i] = rpcMsgArr[i];
+
+    // init data
+    ASSERT(rpcMsgArr[i].contLen == metaArr[i].contLen);
+    memcpy(pData + metaArr[i].offset, rpcMsgArr[i].pCont, rpcMsgArr[i].contLen);
+  }
+
+  return pMsg;
+}
+
+void syncAppendEntriesBatchDestroy(SyncAppendEntriesBatch* pMsg) {
+  if (pMsg != NULL) {
+    taosMemoryFree(pMsg);
+  }
+}
+
+void syncAppendEntriesBatchSerialize(const SyncAppendEntriesBatch* pMsg, char* buf, uint32_t bufLen) {
+  ASSERT(pMsg->bytes <= bufLen);
+  memcpy(buf, pMsg, pMsg->bytes);
+}
+
+void syncAppendEntriesBatchDeserialize(const char* buf, uint32_t len, SyncAppendEntriesBatch* pMsg) {
+  memcpy(pMsg, buf, len);
+  ASSERT(len == pMsg->bytes);
+  ASSERT(pMsg->bytes == sizeof(SyncAppendEntriesBatch) + pMsg->dataLen);
+}
+
+char* syncAppendEntriesBatchSerialize2(const SyncAppendEntriesBatch* pMsg, uint32_t* len) {
+  char* buf = taosMemoryMalloc(pMsg->bytes);
+  ASSERT(buf != NULL);
+  syncAppendEntriesBatchSerialize(pMsg, buf, pMsg->bytes);
+  if (len != NULL) {
+    *len = pMsg->bytes;
+  }
+  return buf;
+}
+
+SyncAppendEntriesBatch* syncAppendEntriesBatchDeserialize2(const char* buf, uint32_t len) {
+  uint32_t                bytes = *((uint32_t*)buf);
+  SyncAppendEntriesBatch* pMsg = taosMemoryMalloc(bytes);
+  ASSERT(pMsg != NULL);
+  syncAppendEntriesBatchDeserialize(buf, len, pMsg);
+  ASSERT(len == pMsg->bytes);
+  return pMsg;
+}
+
+void syncAppendEntriesBatch2RpcMsg(const SyncAppendEntriesBatch* pMsg, SRpcMsg* pRpcMsg) {
+  memset(pRpcMsg, 0, sizeof(*pRpcMsg));
+  pRpcMsg->msgType = pMsg->msgType;
+  pRpcMsg->contLen = pMsg->bytes;
+  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
+  syncAppendEntriesBatchSerialize(pMsg, pRpcMsg->pCont, pRpcMsg->contLen);
+}
+
+void syncAppendEntriesBatchFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntriesBatch* pMsg) {
+  syncAppendEntriesBatchDeserialize(pRpcMsg->pCont, pRpcMsg->contLen, pMsg);
+}
+
+SyncAppendEntriesBatch* syncAppendEntriesBatchFromRpcMsg2(const SRpcMsg* pRpcMsg) {
+  SyncAppendEntriesBatch* pMsg = syncAppendEntriesBatchDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
+  ASSERT(pMsg != NULL);
+  return pMsg;
+}
+
+cJSON* syncAppendEntriesBatch2Json(const SyncAppendEntriesBatch* pMsg) {
+  char   u64buf[128] = {0};
+  cJSON* pRoot = cJSON_CreateObject();
+
+  if (pMsg != NULL) {
+    cJSON_AddNumberToObject(pRoot, "bytes", pMsg->bytes);
+    cJSON_AddNumberToObject(pRoot, "vgId", pMsg->vgId);
+    cJSON_AddNumberToObject(pRoot, "msgType", pMsg->msgType);
+
+    cJSON* pSrcId = cJSON_CreateObject();
+    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->srcId.addr);
+    cJSON_AddStringToObject(pSrcId, "addr", u64buf);
+    {
+      uint64_t u64 = pMsg->srcId.addr;
+      cJSON*   pTmp = pSrcId;
+      char     host[128] = {0};
+      uint16_t port;
+      syncUtilU642Addr(u64, host, sizeof(host), &port);
+      cJSON_AddStringToObject(pTmp, "addr_host", host);
+      cJSON_AddNumberToObject(pTmp, "addr_port", port);
+    }
+    cJSON_AddNumberToObject(pSrcId, "vgId", pMsg->srcId.vgId);
+    cJSON_AddItemToObject(pRoot, "srcId", pSrcId);
+
+    cJSON* pDestId = cJSON_CreateObject();
+    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->destId.addr);
+    cJSON_AddStringToObject(pDestId, "addr", u64buf);
+    {
+      uint64_t u64 = pMsg->destId.addr;
+      cJSON*   pTmp = pDestId;
+      char     host[128] = {0};
+      uint16_t port;
+      syncUtilU642Addr(u64, host, sizeof(host), &port);
+      cJSON_AddStringToObject(pTmp, "addr_host", host);
+      cJSON_AddNumberToObject(pTmp, "addr_port", port);
+    }
+    cJSON_AddNumberToObject(pDestId, "vgId", pMsg->destId.vgId);
+    cJSON_AddItemToObject(pRoot, "destId", pDestId);
+
+    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->term);
+    cJSON_AddStringToObject(pRoot, "term", u64buf);
+
+    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->prevLogIndex);
+    cJSON_AddStringToObject(pRoot, "prevLogIndex", u64buf);
+
+    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->prevLogTerm);
+    cJSON_AddStringToObject(pRoot, "prevLogTerm", u64buf);
+
+    snprintf(u64buf, sizeof(u64buf), "%ld", pMsg->commitIndex);
+    cJSON_AddStringToObject(pRoot, "commitIndex", u64buf);
+
+    snprintf(u64buf, sizeof(u64buf), "%lu", pMsg->privateTerm);
+    cJSON_AddStringToObject(pRoot, "privateTerm", u64buf);
+
+    cJSON_AddNumberToObject(pRoot, "dataCount", pMsg->dataCount);
+    cJSON_AddNumberToObject(pRoot, "dataLen", pMsg->dataLen);
+
+    int32_t metaArrayLen = sizeof(SOffsetAndContLen) * pMsg->dataCount;  // <offset, contLen>
+    int32_t rpcArrayLen = sizeof(SRpcMsg) * pMsg->dataCount;             // SRpcMsg
+    int32_t contArrayLen = pMsg->dataLen - metaArrayLen - rpcArrayLen;
+
+    cJSON_AddNumberToObject(pRoot, "metaArrayLen", metaArrayLen);
+    cJSON_AddNumberToObject(pRoot, "rpcArrayLen", rpcArrayLen);
+    cJSON_AddNumberToObject(pRoot, "contArrayLen", contArrayLen);
+
+    SOffsetAndContLen* metaArr = (SOffsetAndContLen*)(pMsg->data);
+    SRpcMsg*           msgArr = (SRpcMsg*)(pMsg->data + metaArrayLen);
+    void*              pData = (void*)(pMsg->data + metaArrayLen + rpcArrayLen);
+
+    cJSON* pMetaArr = cJSON_CreateArray();
+    cJSON_AddItemToObject(pRoot, "metaArr", pMetaArr);
+    for (int i = 0; i < pMsg->dataCount; ++i) {
+      cJSON* pMeta = cJSON_CreateObject();
+      cJSON_AddNumberToObject(pMeta, "offset", metaArr[i].offset);
+      cJSON_AddNumberToObject(pMeta, "contLen", metaArr[i].contLen);
+      cJSON_AddItemToArray(pMetaArr, pMeta);
+    }
+
+    cJSON* pMsgArr = cJSON_CreateArray();
+    cJSON_AddItemToObject(pRoot, "msgArr", pMsgArr);
+    for (int i = 0; i < pMsg->dataCount; ++i) {
+      cJSON* pRpcMsgJson = cJSON_CreateObject();
+      cJSON_AddNumberToObject(pRpcMsgJson, "code", msgArr[i].code);
+      cJSON_AddNumberToObject(pRpcMsgJson, "contLen", msgArr[i].contLen);
+      cJSON_AddNumberToObject(pRpcMsgJson, "msgType", msgArr[i].msgType);
+      cJSON_AddItemToArray(pMsgArr, pRpcMsgJson);
+    }
+
+    char* s;
+    s = syncUtilprintBin((char*)(pMsg->data), pMsg->dataLen);
+    cJSON_AddStringToObject(pRoot, "data", s);
+    taosMemoryFree(s);
+    s = syncUtilprintBin2((char*)(pMsg->data), pMsg->dataLen);
+    cJSON_AddStringToObject(pRoot, "data2", s);
+    taosMemoryFree(s);
+  }
+
+  cJSON* pJson = cJSON_CreateObject();
+  cJSON_AddItemToObject(pJson, "SyncAppendEntriesBatch", pRoot);
+  return pJson;
+}
+
+char* syncAppendEntriesBatch2Str(const SyncAppendEntriesBatch* pMsg) {
+  cJSON* pJson = syncAppendEntriesBatch2Json(pMsg);
+  char*  serialized = cJSON_Print(pJson);
+  cJSON_Delete(pJson);
+  return serialized;
+}
+
+void syncAppendEntriesBatch2RpcMsgArray(SyncAppendEntriesBatch* pSyncMsg, SRpcMsg* rpcMsgArr, int32_t maxArrSize,
+                                        int32_t* pRetArrSize) {
+  if (pRetArrSize != NULL) {
+    *pRetArrSize = pSyncMsg->dataCount;
+  }
+
+  int32_t arrSize = pSyncMsg->dataCount;
+  if (arrSize > maxArrSize) {
+    arrSize = maxArrSize;
+  }
+
+  int32_t metaArrayLen = sizeof(SOffsetAndContLen) * pSyncMsg->dataCount;  // <offset, contLen>
+  int32_t rpcArrayLen = sizeof(SRpcMsg) * pSyncMsg->dataCount;             // SRpcMsg
+  int32_t contArrayLen = pSyncMsg->dataLen - metaArrayLen - rpcArrayLen;
+
+  SOffsetAndContLen* metaArr = (SOffsetAndContLen*)(pSyncMsg->data);
+  SRpcMsg*           msgArr = (SRpcMsg*)(pSyncMsg->data + metaArrayLen);
+  void*              pData = pSyncMsg->data + metaArrayLen + rpcArrayLen;
+
+  for (int i = 0; i < arrSize; ++i) {
+    rpcMsgArr[i] = msgArr[i];
+    rpcMsgArr[i].pCont = rpcMallocCont(msgArr[i].contLen);
+    void* pRpcCont = pSyncMsg->data + metaArr[i].offset;
+    memcpy(rpcMsgArr[i].pCont, pRpcCont, rpcMsgArr[i].contLen);
+  }
+}
+
+// for debug ----------------------
+void syncAppendEntriesBatchPrint(const SyncAppendEntriesBatch* pMsg) {
+  char* serialized = syncAppendEntriesBatch2Str(pMsg);
+  printf("syncAppendEntriesBatchPrint | len:%lu | %s \n", strlen(serialized), serialized);
+  fflush(NULL);
+  taosMemoryFree(serialized);
+}
+
+void syncAppendEntriesBatchPrint2(char* s, const SyncAppendEntriesBatch* pMsg) {
+  char* serialized = syncAppendEntriesBatch2Str(pMsg);
+  printf("syncAppendEntriesBatchPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+  fflush(NULL);
+  taosMemoryFree(serialized);
+}
+
+void syncAppendEntriesBatchLog(const SyncAppendEntriesBatch* pMsg) {
+  char* serialized = syncAppendEntriesBatch2Str(pMsg);
+  sTrace("syncAppendEntriesBatchLog | len:%lu | %s", strlen(serialized), serialized);
+  taosMemoryFree(serialized);
+}
+
+void syncAppendEntriesBatchLog2(char* s, const SyncAppendEntriesBatch* pMsg) {
+  if (gRaftDetailLog) {
+    char* serialized = syncAppendEntriesBatch2Str(pMsg);
+    sTraceLong("syncAppendEntriesBatchLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
+    taosMemoryFree(serialized);
+  }
+}
+
 // ---- message process SyncAppendEntriesReply----
 SyncAppendEntriesReply* syncAppendEntriesReplyBuild(int32_t vgId) {
   uint32_t                bytes = sizeof(SyncAppendEntriesReply);
diff --git a/source/libs/sync/src/syncRaftCfg.c b/source/libs/sync/src/syncRaftCfg.c
index 43890c196ceb1d49ba645782aa7b079d93a333fb..ec3f18132d7e197bdb563a70bb06f0bda45f6521 100644
--- a/source/libs/sync/src/syncRaftCfg.c
+++ b/source/libs/sync/src/syncRaftCfg.c
@@ -101,7 +101,7 @@ cJSON *syncCfg2Json(SSyncCfg *pSyncCfg) {
 
 char *syncCfg2Str(SSyncCfg *pSyncCfg) {
   cJSON *pJson = syncCfg2Json(pSyncCfg);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -109,7 +109,7 @@ char *syncCfg2Str(SSyncCfg *pSyncCfg) {
 char *syncCfg2SimpleStr(SSyncCfg *pSyncCfg) {
   if (pSyncCfg != NULL) {
     int32_t len = 512;
-    char   *s = taosMemoryMalloc(len);
+    char *  s = taosMemoryMalloc(len);
     memset(s, 0, len);
 
     snprintf(s, len, "{replica-num:%d, my-index:%d, ", pSyncCfg->replicaNum, pSyncCfg->myIndex);
@@ -205,7 +205,7 @@ cJSON *raftCfg2Json(SRaftCfg *pRaftCfg) {
 
 char *raftCfg2Str(SRaftCfg *pRaftCfg) {
   cJSON *pJson = raftCfg2Json(pRaftCfg);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -280,7 +280,7 @@ int32_t raftCfgFromJson(const cJSON *pRoot, SRaftCfg *pRaftCfg) {
     (pRaftCfg->configIndexArr)[i] = atoll(pIndex->valuestring);
   }
 
-  cJSON  *pJsonSyncCfg = cJSON_GetObjectItem(pJson, "SSyncCfg");
+  cJSON * pJsonSyncCfg = cJSON_GetObjectItem(pJson, "SSyncCfg");
   int32_t code = syncCfgFromJson(pJsonSyncCfg, &(pRaftCfg->cfg));
   ASSERT(code == 0);
 
diff --git a/source/libs/sync/src/syncSnapshot.c b/source/libs/sync/src/syncSnapshot.c
index 70f3801e61e881332b20b38d0ff5922b044663e7..56f5aaa239bdc9e4b542fa78eb358e5b92fda2aa 100644
--- a/source/libs/sync/src/syncSnapshot.c
+++ b/source/libs/sync/src/syncSnapshot.c
@@ -349,14 +349,14 @@ cJSON *snapshotSender2Json(SSyncSnapshotSender *pSender) {
 
 char *snapshotSender2Str(SSyncSnapshotSender *pSender) {
   cJSON *pJson = snapshotSender2Json(pSender);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
 
 char *snapshotSender2SimpleStr(SSyncSnapshotSender *pSender, char *event) {
   int32_t len = 256;
-  char   *s = taosMemoryMalloc(len);
+  char *  s = taosMemoryMalloc(len);
 
   SRaftId  destId = pSender->pSyncNode->replicasId[pSender->replicaIndex];
   char     host[64];
@@ -604,7 +604,7 @@ cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver) {
     cJSON_AddStringToObject(pFromId, "addr", u64buf);
     {
       uint64_t u64 = pReceiver->fromId.addr;
-      cJSON   *pTmp = pFromId;
+      cJSON *  pTmp = pFromId;
       char     host[128] = {0};
       uint16_t port;
       syncUtilU642Addr(u64, host, sizeof(host), &port);
@@ -637,14 +637,14 @@ cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver) {
 
 char *snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver) {
   cJSON *pJson = snapshotReceiver2Json(pReceiver);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
 
 char *snapshotReceiver2SimpleStr(SSyncSnapshotReceiver *pReceiver, char *event) {
   int32_t len = 256;
-  char   *s = taosMemoryMalloc(len);
+  char *  s = taosMemoryMalloc(len);
 
   SRaftId  fromId = pReceiver->fromId;
   char     host[128];
diff --git a/source/libs/sync/test/CMakeLists.txt b/source/libs/sync/test/CMakeLists.txt
index bc63462a9e8cbee9b603c86f2853701581cd4154..c549b7839979c868647f16b783a1f29b950bb6ae 100644
--- a/source/libs/sync/test/CMakeLists.txt
+++ b/source/libs/sync/test/CMakeLists.txt
@@ -21,6 +21,7 @@ add_executable(syncEntryCacheTest "")
 add_executable(syncRequestVoteTest "")
 add_executable(syncRequestVoteReplyTest "")
 add_executable(syncAppendEntriesTest "")
+add_executable(syncAppendEntriesBatchTest "")
 add_executable(syncAppendEntriesReplyTest "")
 add_executable(syncClientRequestTest "")
 add_executable(syncTimeoutTest "")
@@ -146,6 +147,10 @@ target_sources(syncAppendEntriesTest
     PRIVATE
     "syncAppendEntriesTest.cpp"
 )
+target_sources(syncAppendEntriesBatchTest
+    PRIVATE
+    "syncAppendEntriesBatchTest.cpp"
+)
 target_sources(syncAppendEntriesReplyTest
     PRIVATE
     "syncAppendEntriesReplyTest.cpp"
@@ -387,6 +392,11 @@ target_include_directories(syncAppendEntriesTest
     "${TD_SOURCE_DIR}/include/libs/sync"
     "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
 )
+target_include_directories(syncAppendEntriesBatchTest
+    PUBLIC
+    "${TD_SOURCE_DIR}/include/libs/sync"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
+)
 target_include_directories(syncAppendEntriesReplyTest
     PUBLIC
     "${TD_SOURCE_DIR}/include/libs/sync"
@@ -636,6 +646,10 @@ target_link_libraries(syncAppendEntriesTest
     sync
     gtest_main
 )
+target_link_libraries(syncAppendEntriesBatchTest
+    sync
+    gtest_main
+)
 target_link_libraries(syncAppendEntriesReplyTest
     sync
     gtest_main
diff --git a/source/libs/sync/test/syncAppendEntriesBatchTest.cpp b/source/libs/sync/test/syncAppendEntriesBatchTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8784ddd637647f63a6cdc4807f59bb5688f11fc2
--- /dev/null
+++ b/source/libs/sync/test/syncAppendEntriesBatchTest.cpp
@@ -0,0 +1,139 @@
+//#include <gtest/gtest.h>
+#include <stdio.h>
+#include "syncIO.h"
+#include "syncInt.h"
+#include "syncMessage.h"
+#include "syncUtil.h"
+#include "trpc.h"
+
+void logTest() {
+  sTrace("--- sync log test: trace");
+  sDebug("--- sync log test: debug");
+  sInfo("--- sync log test: info");
+  sWarn("--- sync log test: warn");
+  sError("--- sync log test: error");
+  sFatal("--- sync log test: fatal");
+}
+
+SRpcMsg *createRpcMsg(int32_t i, int32_t dataLen) {
+  SRpcMsg *pRpcMsg = (SRpcMsg *)taosMemoryMalloc(sizeof(SRpcMsg));
+  memset(pRpcMsg, 0, sizeof(SRpcMsg));
+
+  pRpcMsg->msgType = TDMT_SYNC_PING;
+  pRpcMsg->contLen = dataLen;
+  pRpcMsg->pCont = rpcMallocCont(pRpcMsg->contLen);
+  pRpcMsg->code = 10 * i;
+  snprintf((char *)pRpcMsg->pCont, pRpcMsg->contLen, "value_%d", i);
+
+  return pRpcMsg;
+}
+
+SyncAppendEntriesBatch *createMsg() {
+  SRpcMsg rpcMsgArr[5];
+  memset(rpcMsgArr, 0, sizeof(rpcMsgArr));
+
+  for (int32_t i = 0; i < 5; ++i) {
+    SRpcMsg *pRpcMsg = createRpcMsg(i, 20);
+    rpcMsgArr[i] = *pRpcMsg;
+    taosMemoryFree(pRpcMsg);
+  }
+
+  SyncAppendEntriesBatch *pMsg = syncAppendEntriesBatchBuild(rpcMsgArr, 5, 1234);
+  pMsg->srcId.addr = syncUtilAddr2U64("127.0.0.1", 1234);
+  pMsg->srcId.vgId = 100;
+  pMsg->destId.addr = syncUtilAddr2U64("127.0.0.1", 5678);
+  pMsg->destId.vgId = 100;
+  pMsg->prevLogIndex = 11;
+  pMsg->prevLogTerm = 22;
+  pMsg->commitIndex = 33;
+  pMsg->privateTerm = 44;
+  return pMsg;
+}
+
+void test1() {
+  SyncAppendEntriesBatch *pMsg = createMsg();
+  syncAppendEntriesBatchLog2((char *)"test1:", pMsg);
+
+  SRpcMsg rpcMsgArr[5];
+  int32_t retArrSize;
+  syncAppendEntriesBatch2RpcMsgArray(pMsg, rpcMsgArr, 5, &retArrSize);
+  for (int i = 0; i < retArrSize; ++i) {
+    char logBuf[128];
+    snprintf(logBuf, sizeof(logBuf), "==test1 decode rpc msg %d: msgType:%d, code:%d, contLen:%d, pCont:%s \n", i,
+             rpcMsgArr[i].msgType, rpcMsgArr[i].code, rpcMsgArr[i].contLen, (char *)rpcMsgArr[i].pCont);
+    sTrace("%s", logBuf);
+  }
+
+  syncAppendEntriesBatchDestroy(pMsg);
+}
+
+/*
+void test2() {
+  SyncAppendEntries *pMsg = createMsg();
+  uint32_t           len = pMsg->bytes;
+  char *             serialized = (char *)taosMemoryMalloc(len);
+  syncAppendEntriesSerialize(pMsg, serialized, len);
+  SyncAppendEntries *pMsg2 = syncAppendEntriesBuild(pMsg->dataLen, 1000);
+  syncAppendEntriesDeserialize(serialized, len, pMsg2);
+  syncAppendEntriesLog2((char *)"test2: syncAppendEntriesSerialize -> syncAppendEntriesDeserialize ", pMsg2);
+
+  taosMemoryFree(serialized);
+  syncAppendEntriesDestroy(pMsg);
+  syncAppendEntriesDestroy(pMsg2);
+}
+
+void test3() {
+  SyncAppendEntries *pMsg = createMsg();
+  uint32_t           len;
+  char *             serialized = syncAppendEntriesSerialize2(pMsg, &len);
+  SyncAppendEntries *pMsg2 = syncAppendEntriesDeserialize2(serialized, len);
+  syncAppendEntriesLog2((char *)"test3: syncAppendEntriesSerialize3 -> syncAppendEntriesDeserialize2 ", pMsg2);
+
+  taosMemoryFree(serialized);
+  syncAppendEntriesDestroy(pMsg);
+  syncAppendEntriesDestroy(pMsg2);
+}
+
+void test4() {
+  SyncAppendEntries *pMsg = createMsg();
+  SRpcMsg            rpcMsg;
+  syncAppendEntries2RpcMsg(pMsg, &rpcMsg);
+  SyncAppendEntries *pMsg2 = (SyncAppendEntries *)taosMemoryMalloc(rpcMsg.contLen);
+  syncAppendEntriesFromRpcMsg(&rpcMsg, pMsg2);
+  syncAppendEntriesLog2((char *)"test4: syncAppendEntries2RpcMsg -> syncAppendEntriesFromRpcMsg ", pMsg2);
+
+  rpcFreeCont(rpcMsg.pCont);
+  syncAppendEntriesDestroy(pMsg);
+  syncAppendEntriesDestroy(pMsg2);
+}
+
+void test5() {
+  SyncAppendEntries *pMsg = createMsg();
+  SRpcMsg            rpcMsg;
+  syncAppendEntries2RpcMsg(pMsg, &rpcMsg);
+  SyncAppendEntries *pMsg2 = syncAppendEntriesFromRpcMsg2(&rpcMsg);
+  syncAppendEntriesLog2((char *)"test5: syncAppendEntries2RpcMsg -> syncAppendEntriesFromRpcMsg2 ", pMsg2);
+
+  rpcFreeCont(rpcMsg.pCont);
+  syncAppendEntriesDestroy(pMsg);
+  syncAppendEntriesDestroy(pMsg2);
+}
+*/
+
+int main() {
+  gRaftDetailLog = true;
+  tsAsyncLog = 0;
+  sDebugFlag = DEBUG_DEBUG + DEBUG_TRACE + DEBUG_SCREEN + DEBUG_FILE;
+  logTest();
+
+  test1();
+
+  /*
+   test2();
+   test3();
+   test4();
+   test5();
+ */
+
+  return 0;
+}