diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 005cf36d5ea11e8adaeb61a95a9536c1af746982..92672311d0661af86fbf2026d23ac1cb8f5a345c 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -64,6 +64,11 @@ extern int32_t tsNumOfSnodeStreamThreads;
 extern int32_t tsNumOfSnodeWriteThreads;
 extern int64_t tsRpcQueueMemoryAllowed;
 
+// sync raft
+extern int32_t tsElectInterval;
+extern int32_t tsHeartbeatInterval;
+extern int32_t tsHeartbeatTimeout;
+
 // monitor
 extern bool     tsEnableMonitor;
 extern int32_t  tsMonitorInterval;
@@ -126,9 +131,9 @@ extern char tsUdfdResFuncs[];
 extern char tsUdfdLdLibPath[];
 
 // schemaless
-extern char tsSmlChildTableName[];
-extern char tsSmlTagName[];
-extern bool tsSmlDataFormat;
+extern char    tsSmlChildTableName[];
+extern char    tsSmlTagName[];
+extern bool    tsSmlDataFormat;
 extern int32_t tsSmlBatchSize;
 
 // wal
@@ -146,7 +151,7 @@ extern int32_t tsUptimeInterval;
 extern int32_t tsRpcRetryLimit;
 extern int32_t tsRpcRetryInterval;
 
-//#define NEEDTO_COMPRESSS_MSG(size) (tsCompressMsgSize != -1 && (size) > tsCompressMsgSize)
+// #define NEEDTO_COMPRESSS_MSG(size) (tsCompressMsgSize != -1 && (size) > tsCompressMsgSize)
 
 int32_t taosCreateLog(const char *logname, int32_t logFileNum, const char *cfgDir, const char **envCmd,
                       const char *envFile, char *apolloUrl, SArray *pArgs, bool tsc);
diff --git a/include/libs/sync/sync.h b/include/libs/sync/sync.h
index 1fa862b145f4e4c97b1dc28a96bda8121fd97bdc..7f9b240f63ed7ae5d312e44cdb6001c11d1cc35b 100644
--- a/include/libs/sync/sync.h
+++ b/include/libs/sync/sync.h
@@ -43,7 +43,7 @@ extern "C" {
 #define SYNC_MAX_RETRY_BACKOFF         5
 #define SYNC_LOG_REPL_RETRY_WAIT_MS    100
 #define SYNC_APPEND_ENTRIES_TIMEOUT_MS 10000
-#define SYNC_HEART_TIMEOUT_MS          1000 * 8
+#define SYNC_HEART_TIMEOUT_MS          1000 * 15
 
 #define SYNC_HEARTBEAT_SLOW_MS       1500
 #define SYNC_HEARTBEAT_REPLY_SLOW_MS 1500
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 2e8cb5e5f739110ce75c94bea22aa820862f97d0..3bcfddb8b2a186c4fd92519981e207a8e629dfd7 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -55,6 +55,11 @@ int32_t tsNumOfQnodeFetchThreads = 1;
 int32_t tsNumOfSnodeStreamThreads = 4;
 int32_t tsNumOfSnodeWriteThreads = 1;
 
+// sync raft
+int32_t tsElectInterval = 25 * 1000;
+int32_t tsHeartbeatInterval = 1000;
+int32_t tsHeartbeatTimeout = 20 * 1000;
+
 // monitor
 bool     tsEnableMonitor = true;
 int32_t  tsMonitorInterval = 30;
@@ -74,8 +79,8 @@ char tsSmlTagName[TSDB_COL_NAME_LEN] = "_tag_null";
 char tsSmlChildTableName[TSDB_TABLE_NAME_LEN] = "";  // user defined child table name can be specified in tag value.
                                                      // If set to empty system will generate table name using MD5 hash.
 // true means that the name and order of cols in each line are the same(only for influx protocol)
-bool tsSmlDataFormat = false;
-int32_t  tsSmlBatchSize  = 10000;
+bool    tsSmlDataFormat = false;
+int32_t tsSmlBatchSize = 10000;
 
 // query
 int32_t tsQueryPolicy = 1;
@@ -198,9 +203,7 @@ int32_t taosSetTfsCfg(SConfig *pCfg) {
 int32_t taosSetTfsCfg(SConfig *pCfg);
 #endif
 
-struct SConfig *taosGetCfg() {
-  return tsCfg;
-}
+struct SConfig *taosGetCfg() { return tsCfg; }
 
 static int32_t taosLoadCfg(SConfig *pCfg, const char **envCmd, const char *inputCfgDir, const char *envFile,
                            char *apolloUrl) {
@@ -423,6 +426,10 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   if (cfgAddInt64(pCfg, "rpcQueueMemoryAllowed", tsRpcQueueMemoryAllowed, TSDB_MAX_MSG_SIZE * 10L, INT64_MAX, 0) != 0)
     return -1;
 
+  if (cfgAddInt32(pCfg, "syncElectInterval", tsElectInterval, 10, 1000 * 60 * 24 * 2, 0) != 0) return -1;
+  if (cfgAddInt32(pCfg, "syncHeartbeatInterval", tsHeartbeatInterval, 10, 1000 * 60 * 24 * 2, 0) != 0) return -1;
+  if (cfgAddInt32(pCfg, "syncHeartbeatTimeout", tsHeartbeatTimeout, 10, 1000 * 60 * 24 * 2, 0) != 0) return -1;
+
   if (cfgAddBool(pCfg, "monitor", tsEnableMonitor, 0) != 0) return -1;
   if (cfgAddInt32(pCfg, "monitorInterval", tsMonitorInterval, 1, 200000, 0) != 0) return -1;
   if (cfgAddString(pCfg, "monitorFqdn", tsMonitorFqdn, 0) != 0) return -1;
@@ -728,6 +735,10 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
   tstrncpy(tsTelemServer, cfgGetItem(pCfg, "telemetryServer")->str, TSDB_FQDN_LEN);
   tsTelemPort = (uint16_t)cfgGetItem(pCfg, "telemetryPort")->i32;
 
+  tsElectInterval = cfgGetItem(pCfg, "syncElectInterval")->i32;
+  tsHeartbeatInterval = cfgGetItem(pCfg, "syncHeartbeatInterval")->i32;
+  tsHeartbeatTimeout = cfgGetItem(pCfg, "syncHeartbeatTimeout")->i32;
+
   tsTransPullupInterval = cfgGetItem(pCfg, "transPullupInterval")->i32;
   tsMqRebalanceInterval = cfgGetItem(pCfg, "mqRebalanceInterval")->i32;
   tsTtlUnit = cfgGetItem(pCfg, "ttlUnit")->i32;
@@ -737,6 +748,10 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
 
   tsWalFsyncDataSizeLimit = cfgGetItem(pCfg, "walFsyncDataSizeLimit")->i64;
 
+  tsElectInterval = cfgGetItem(pCfg, "syncElectInterval")->i32;
+  tsHeartbeatInterval = cfgGetItem(pCfg, "syncHeartbeatInterval")->i32;
+  tsHeartbeatTimeout = cfgGetItem(pCfg, "syncHeartbeatTimeout")->i32;
+
   tsStartUdfd = cfgGetItem(pCfg, "udf")->bval;
   tstrncpy(tsUdfdResFuncs, cfgGetItem(pCfg, "udfdResFuncs")->str, sizeof(tsUdfdResFuncs));
   tstrncpy(tsUdfdLdLibPath, cfgGetItem(pCfg, "udfdLdLibPath")->str, sizeof(tsUdfdLdLibPath));
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 1fe2af696c732bd8c12d1d0dcb85eb8787a91168..a00b639a9ca308f2e02b79d5ec894d7f77ad7749 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -22,8 +22,8 @@
 #include "syncEnv.h"
 #include "syncIndexMgr.h"
 #include "syncInt.h"
-#include "syncPipeline.h"
 #include "syncMessage.h"
+#include "syncPipeline.h"
 #include "syncRaftCfg.h"
 #include "syncRaftLog.h"
 #include "syncRaftStore.h"
@@ -35,6 +35,7 @@
 #include "syncTimeout.h"
 #include "syncUtil.h"
 #include "syncVoteMgr.h"
+#include "tglobal.h"
 #include "tref.h"
 
 static void    syncNodeEqPingTimer(void* param, void* tmrId);
@@ -1115,7 +1116,9 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
   pSyncNode->hbrSlowNum = 0;
   pSyncNode->tmrRoutineNum = 0;
 
-  sNTrace(pSyncNode, "sync open, node:%p", pSyncNode);
+  sNInfo(pSyncNode, "sync open, node:%p", pSyncNode);
+  sTrace("vgId:%d, tsElectInterval:%d, tsHeartbeatInterval:%d, tsHeartbeatTimeout:%d", pSyncNode->vgId, tsElectInterval,
+         tsHeartbeatInterval, tsHeartbeatTimeout);
 
   return pSyncNode;
 
@@ -1229,7 +1232,7 @@ void syncHbTimerDataFree(SSyncHbTimerData* pData) { taosMemoryFree(pData); }
 
 void syncNodeClose(SSyncNode* pSyncNode) {
   if (pSyncNode == NULL) return;
-  sNTrace(pSyncNode, "sync close, data:%p", pSyncNode);
+  sNInfo(pSyncNode, "sync close, node:%p", pSyncNode);
 
   int32_t ret = raftStoreClose(pSyncNode->pRaftStore);
   ASSERT(ret == 0);