diff --git a/source/libs/sync/inc/syncIndexMgr.h b/source/libs/sync/inc/syncIndexMgr.h
index 7116ae9d46..63f24b104f 100644
--- a/source/libs/sync/inc/syncIndexMgr.h
+++ b/source/libs/sync/inc/syncIndexMgr.h
@@ -42,6 +42,12 @@ SyncIndex      syncIndexMgrGetIndex(SSyncIndexMgr *pSyncIndexMgr, const SRaftId
 cJSON *        syncIndexMgr2Json(SSyncIndexMgr *pSyncIndexMgr);
 char *         syncIndexMgr2Str(SSyncIndexMgr *pSyncIndexMgr);
 
+// for debug -------------------
+void syncIndexMgrPrint(SSyncIndexMgr *pObj);
+void syncIndexMgrPrint2(char *s, SSyncIndexMgr *pObj);
+void syncIndexMgrLog(SSyncIndexMgr *pObj);
+void syncIndexMgrLog2(char *s, SSyncIndexMgr *pObj);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/libs/sync/inc/syncInt.h b/source/libs/sync/inc/syncInt.h
index 2932240ec1..df277e2d7e 100644
--- a/source/libs/sync/inc/syncInt.h
+++ b/source/libs/sync/inc/syncInt.h
@@ -211,11 +211,14 @@ int32_t syncNodeStopElectTimer(SSyncNode* pSyncNode);
 int32_t syncNodeRestartElectTimer(SSyncNode* pSyncNode, int32_t ms);
 int32_t syncNodeStartHeartbeatTimer(SSyncNode* pSyncNode);
 int32_t syncNodeStopHeartbeatTimer(SSyncNode* pSyncNode);
+cJSON*  syncNode2Json(const SSyncNode* pSyncNode);
+char*   syncNode2Str(const SSyncNode* pSyncNode);
 
-// for debug
-cJSON* syncNode2Json(const SSyncNode* pSyncNode);
-char*  syncNode2Str(const SSyncNode* pSyncNode);
-void   syncNodePrint(char* s, const SSyncNode* pSyncNode);
+// for debug --------------
+void syncNodePrint(SSyncNode* pObj);
+void syncNodePrint2(char* s, SSyncNode* pObj);
+void syncNodeLog(SSyncNode* pObj);
+void syncNodeLog2(char* s, SSyncNode* pObj);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/sync/inc/syncRaftEntry.h b/source/libs/sync/inc/syncRaftEntry.h
index e471488f5c..335d23ea8e 100644
--- a/source/libs/sync/inc/syncRaftEntry.h
+++ b/source/libs/sync/inc/syncRaftEntry.h
@@ -48,10 +48,10 @@ cJSON*          syncEntry2Json(const SSyncRaftEntry* pEntry);
 char*           syncEntry2Str(const SSyncRaftEntry* pEntry);
 
 // for debug
-void syncEntryPrint(const SSyncRaftEntry* pEntry);
-void syncEntryPrint2(char* s, const SSyncRaftEntry* pEntry);
-void syncEntryLog(const SSyncRaftEntry* pEntry);
-void syncEntryLog2(char* s, const SSyncRaftEntry* pEntry);
+void syncEntryPrint(const SSyncRaftEntry* pObj);
+void syncEntryPrint2(char* s, const SSyncRaftEntry* pObj);
+void syncEntryLog(const SSyncRaftEntry* pObj);
+void syncEntryLog2(char* s, const SSyncRaftEntry* pObj);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/sync/inc/syncRaftStore.h b/source/libs/sync/inc/syncRaftStore.h
index 1c25b799b4..4058d3bd1c 100644
--- a/source/libs/sync/inc/syncRaftStore.h
+++ b/source/libs/sync/inc/syncRaftStore.h
@@ -42,7 +42,12 @@ int32_t     raftStoreClose(SRaftStore *pRaftStore);
 int32_t     raftStorePersist(SRaftStore *pRaftStore);
 int32_t     raftStoreSerialize(SRaftStore *pRaftStore, char *buf, size_t len);
 int32_t     raftStoreDeserialize(SRaftStore *pRaftStore, char *buf, size_t len);
-void        raftStorePrint(SRaftStore *pRaftStore);
+
+// for debug -------------------
+void raftStorePrint(SRaftStore *pObj);
+void raftStorePrint2(char *s, SRaftStore *pObj);
+void raftStoreLog(SRaftStore *pObj);
+void raftStoreLog2(char *s, SRaftStore *pObj);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/sync/inc/syncVoteMgr.h b/source/libs/sync/inc/syncVoteMgr.h
index ae9cfe8d01..5bc240e921 100644
--- a/source/libs/sync/inc/syncVoteMgr.h
+++ b/source/libs/sync/inc/syncVoteMgr.h
@@ -48,6 +48,12 @@ void           voteGrantedReset(SVotesGranted *pVotesGranted, SyncTerm term);
 cJSON *        voteGranted2Json(SVotesGranted *pVotesGranted);
 char *         voteGranted2Str(SVotesGranted *pVotesGranted);
 
+// for debug -------------------
+void voteGrantedPrint(SVotesGranted *pObj);
+void voteGrantedPrint2(char *s, SVotesGranted *pObj);
+void voteGrantedLog(SVotesGranted *pObj);
+void voteGrantedLog2(char *s, SVotesGranted *pObj);
+
 // SVotesRespond -----------------------------
 typedef struct SVotesRespond {
   SRaftId (*replicas)[TSDB_MAX_REPLICA];
@@ -65,6 +71,12 @@ void           votesRespondReset(SVotesRespond *pVotesRespond, SyncTerm term);
 cJSON *        votesRespond2Json(SVotesRespond *pVotesRespond);
 char *         votesRespond2Str(SVotesRespond *pVotesRespond);
 
+// for debug -------------------
+void votesRespondPrint(SVotesRespond *pObj);
+void votesRespondPrint2(char *s, SVotesRespond *pObj);
+void votesRespondLog(SVotesRespond *pObj);
+void votesRespondLog2(char *s, SVotesRespond *pObj);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/libs/sync/src/syncIndexMgr.c b/source/libs/sync/src/syncIndexMgr.c
index fff54638e2..9567938197 100644
--- a/source/libs/sync/src/syncIndexMgr.c
+++ b/source/libs/sync/src/syncIndexMgr.c
@@ -97,4 +97,31 @@ char *syncIndexMgr2Str(SSyncIndexMgr *pSyncIndexMgr) {
   char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
+}
+
+// for debug -------------------
+void syncIndexMgrPrint(SSyncIndexMgr *pObj) {
+  char *serialized = syncIndexMgr2Str(pObj);
+  printf("syncIndexMgrPrint | len:%lu | %s \n", strlen(serialized), serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void syncIndexMgrPrint2(char *s, SSyncIndexMgr *pObj) {
+  char *serialized = syncIndexMgr2Str(pObj);
+  printf("syncIndexMgrPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void syncIndexMgrLog(SSyncIndexMgr *pObj) {
+  char *serialized = syncIndexMgr2Str(pObj);
+  sTrace("syncIndexMgrLog | len:%lu | %s", strlen(serialized), serialized);
+  free(serialized);
+}
+
+void syncIndexMgrLog2(char *s, SSyncIndexMgr *pObj) {
+  char *serialized = syncIndexMgr2Str(pObj);
+  sTrace("syncIndexMgrLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
+  free(serialized);
 }
\ No newline at end of file
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 5cd7149b72..860dd96cdf 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -327,11 +327,31 @@ char* syncNode2Str(const SSyncNode* pSyncNode) {
   return serialized;
 }
 
-void syncNodePrint(char* s, const SSyncNode* pSyncNode) {
-  char* ss = syncNode2Str(pSyncNode);
-  // sTrace("syncNodePrint: %s [len:%lu]| %s", s, strlen(ss), ss);
-  fprintf(stderr, "syncNodePrint: %s [len:%lu]| %s", s, strlen(ss), ss);
-  free(ss);
+// for debug --------------
+void syncNodePrint(SSyncNode* pObj) {
+  char* serialized = syncNode2Str(pObj);
+  printf("syncNodePrint | len:%lu | %s \n", strlen(serialized), serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void syncNodePrint2(char* s, SSyncNode* pObj) {
+  char* serialized = syncNode2Str(pObj);
+  printf("syncNodePrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void syncNodeLog(SSyncNode* pObj) {
+  char* serialized = syncNode2Str(pObj);
+  sTrace("syncNodeLog | len:%lu | %s", strlen(serialized), serialized);
+  free(serialized);
+}
+
+void syncNodeLog2(char* s, SSyncNode* pObj) {
+  char* serialized = syncNode2Str(pObj);
+  sTrace("syncNodeLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
+  free(serialized);
 }
 
 int32_t syncNodeSendMsgById(const SRaftId* destRaftId, SSyncNode* pSyncNode, SRpcMsg* pMsg) {
diff --git a/source/libs/sync/src/syncRaftEntry.c b/source/libs/sync/src/syncRaftEntry.c
index d2feb98c90..1a5d9c9455 100644
--- a/source/libs/sync/src/syncRaftEntry.c
+++ b/source/libs/sync/src/syncRaftEntry.c
@@ -105,28 +105,28 @@ char* syncEntry2Str(const SSyncRaftEntry* pEntry) {
 }
 
 // for debug -----------
-void syncEntryPrint(const SSyncRaftEntry* pEntry) {
-  char* serialized = syncEntry2Str(pEntry);
+void syncEntryPrint(const SSyncRaftEntry* pObj) {
+  char* serialized = syncEntry2Str(pObj);
   printf("syncEntryPrint | len:%lu | %s \n", strlen(serialized), serialized);
   fflush(NULL);
   free(serialized);
 }
 
-void syncEntryPrint2(char* s, const SSyncRaftEntry* pEntry) {
-  char* serialized = syncEntry2Str(pEntry);
-  printf("syncEntryPrint | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+void syncEntryPrint2(char* s, const SSyncRaftEntry* pObj) {
+  char* serialized = syncEntry2Str(pObj);
+  printf("syncEntryPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
   fflush(NULL);
   free(serialized);
 }
 
-void syncEntryLog(const SSyncRaftEntry* pEntry) {
-  char* serialized = syncEntry2Str(pEntry);
-  sTrace("syncEntryPrint | len:%lu | %s", strlen(serialized), serialized);
+void syncEntryLog(const SSyncRaftEntry* pObj) {
+  char* serialized = syncEntry2Str(pObj);
+  sTrace("syncEntryLog | len:%lu | %s", strlen(serialized), serialized);
   free(serialized);
 }
 
-void syncEntryLog2(char* s, const SSyncRaftEntry* pEntry) {
-  char* serialized = syncEntry2Str(pEntry);
-  sTrace("syncEntryPrint | len:%lu | %s | %s", strlen(serialized), s, serialized);
+void syncEntryLog2(char* s, const SSyncRaftEntry* pObj) {
+  char* serialized = syncEntry2Str(pObj);
+  sTrace("syncEntryLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
   free(serialized);
 }
\ No newline at end of file
diff --git a/source/libs/sync/src/syncRaftStore.c b/source/libs/sync/src/syncRaftStore.c
index 7154a21bd1..3a26caa161 100644
--- a/source/libs/sync/src/syncRaftStore.c
+++ b/source/libs/sync/src/syncRaftStore.c
@@ -135,8 +135,30 @@ int32_t raftStoreDeserialize(SRaftStore *pRaftStore, char *buf, size_t len) {
   return 0;
 }
 
-void raftStorePrint(SRaftStore *pRaftStore) {
-  char storeBuf[RAFT_STORE_BLOCK_SIZE];
-  raftStoreSerialize(pRaftStore, storeBuf, sizeof(storeBuf));
-  printf("%s\n", storeBuf);
+// for debug -------------------
+void raftStorePrint(SRaftStore *pObj) {
+  char serialized[RAFT_STORE_BLOCK_SIZE];
+  raftStoreSerialize(pObj, serialized, sizeof(serialized));
+  printf("raftStorePrint | len:%lu | %s \n", strlen(serialized), serialized);
+  fflush(NULL);
+}
+
+void raftStorePrint2(char *s, SRaftStore *pObj) {
+  char serialized[RAFT_STORE_BLOCK_SIZE];
+  raftStoreSerialize(pObj, serialized, sizeof(serialized));
+  printf("raftStorePrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+  fflush(NULL);
+}
+void raftStoreLog(SRaftStore *pObj) {
+  char serialized[RAFT_STORE_BLOCK_SIZE];
+  raftStoreSerialize(pObj, serialized, sizeof(serialized));
+  sTrace("raftStoreLog | len:%lu | %s", strlen(serialized), serialized);
+  fflush(NULL);
+}
+
+void raftStoreLog2(char *s, SRaftStore *pObj) {
+  char serialized[RAFT_STORE_BLOCK_SIZE];
+  raftStoreSerialize(pObj, serialized, sizeof(serialized));
+  sTrace("raftStoreLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
+  fflush(NULL);
 }
diff --git a/source/libs/sync/src/syncVoteMgr.c b/source/libs/sync/src/syncVoteMgr.c
index a2f10ce339..5c8e70979c 100644
--- a/source/libs/sync/src/syncVoteMgr.c
+++ b/source/libs/sync/src/syncVoteMgr.c
@@ -119,6 +119,33 @@ char *voteGranted2Str(SVotesGranted *pVotesGranted) {
   return serialized;
 }
 
+// for debug -------------------
+void voteGrantedPrint(SVotesGranted *pObj) {
+  char *serialized = voteGranted2Str(pObj);
+  printf("voteGrantedPrint | len:%lu | %s \n", strlen(serialized), serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void voteGrantedPrint2(char *s, SVotesGranted *pObj) {
+  char *serialized = voteGranted2Str(pObj);
+  printf("voteGrantedPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void voteGrantedLog(SVotesGranted *pObj) {
+  char *serialized = voteGranted2Str(pObj);
+  sTrace("voteGrantedLog | len:%lu | %s", strlen(serialized), serialized);
+  free(serialized);
+}
+
+void voteGrantedLog2(char *s, SVotesGranted *pObj) {
+  char *serialized = voteGranted2Str(pObj);
+  sTrace("voteGrantedLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
+  free(serialized);
+}
+
 // SVotesRespond -----------------------------
 SVotesRespond *votesRespondCreate(SSyncNode *pSyncNode) {
   SVotesRespond *pVotesRespond = malloc(sizeof(SVotesRespond));
@@ -210,4 +237,31 @@ char *votesRespond2Str(SVotesRespond *pVotesRespond) {
   char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
+}
+
+// for debug -------------------
+void votesRespondPrint(SVotesRespond *pObj) {
+  char *serialized = votesRespond2Str(pObj);
+  printf("votesRespondPrint | len:%lu | %s \n", strlen(serialized), serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void votesRespondPrint2(char *s, SVotesRespond *pObj) {
+  char *serialized = votesRespond2Str(pObj);
+  printf("votesRespondPrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void votesRespondLog(SVotesRespond *pObj) {
+  char *serialized = votesRespond2Str(pObj);
+  sTrace("votesRespondLog | len:%lu | %s", strlen(serialized), serialized);
+  free(serialized);
+}
+
+void votesRespondLog2(char *s, SVotesRespond *pObj) {
+  char *serialized = votesRespond2Str(pObj);
+  sTrace("votesRespondLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
+  free(serialized);
 }
\ No newline at end of file
diff --git a/source/libs/sync/test/syncInitTest.cpp b/source/libs/sync/test/syncInitTest.cpp
index b6794544eb..7898fda8c0 100644
--- a/source/libs/sync/test/syncInitTest.cpp
+++ b/source/libs/sync/test/syncInitTest.cpp
@@ -89,7 +89,7 @@ int main(int argc, char** argv) {
   SSyncNode* pSyncNode = syncInitTest();
   assert(pSyncNode != NULL);
 
-  syncNodePrint((char*)"syncInitTest", pSyncNode);
+  syncNodePrint2((char*)"syncInitTest", pSyncNode);
 
   initRaftId(pSyncNode);
 
diff --git a/source/libs/sync/test/syncLogStoreTest.cpp b/source/libs/sync/test/syncLogStoreTest.cpp
index a5eb748de6..602fdee8c2 100644
--- a/source/libs/sync/test/syncLogStoreTest.cpp
+++ b/source/libs/sync/test/syncLogStoreTest.cpp
@@ -83,7 +83,7 @@ SSyncNode* syncInitTest() { return syncNodeInit(); }
 void logStoreTest() {
   logStorePrint(pSyncNode->pLogStore);
   for (int i = 0; i < 5; ++i) {
-    int32_t dataLen = 10;
+    int32_t         dataLen = 10;
     SSyncRaftEntry* pEntry = syncEntryBuild(dataLen);
     assert(pEntry != NULL);
     pEntry->msgType = 1;
@@ -94,7 +94,7 @@ void logStoreTest() {
     pEntry->index = pSyncNode->pLogStore->getLastIndex(pSyncNode->pLogStore) + 1;
     snprintf(pEntry->data, dataLen, "value%d", i);
 
-    //syncEntryPrint2((char*)"write entry:", pEntry);
+    // syncEntryPrint2((char*)"write entry:", pEntry);
     pSyncNode->pLogStore->appendEntry(pSyncNode->pLogStore, pEntry);
     syncEntryDestory(pEntry);
   }
@@ -132,8 +132,8 @@ int main(int argc, char** argv) {
   pSyncNode = syncInitTest();
   assert(pSyncNode != NULL);
 
-  //syncNodePrint((char*)"syncLogStoreTest", pSyncNode);
-  //initRaftId(pSyncNode);
+  // syncNodePrint((char*)"syncLogStoreTest", pSyncNode);
+  // initRaftId(pSyncNode);
 
   logStoreTest();
 
diff --git a/source/libs/sync/test/syncPingTest.cpp b/source/libs/sync/test/syncPingTest.cpp
index 83f1f67eb1..e69878632f 100644
--- a/source/libs/sync/test/syncPingTest.cpp
+++ b/source/libs/sync/test/syncPingTest.cpp
@@ -86,7 +86,7 @@ int main(int argc, char** argv) {
 
   SSyncNode* pSyncNode = syncInitTest();
   assert(pSyncNode != NULL);
-  syncNodePrint((char*)"----1", pSyncNode);
+  syncNodePrint2((char*)"----1", pSyncNode);
 
   initRaftId(pSyncNode);
 
@@ -95,7 +95,7 @@ int main(int argc, char** argv) {
   sTrace("syncNodeStartPingTimer ...");
   ret = syncNodeStartPingTimer(pSyncNode);
   assert(ret == 0);
-  syncNodePrint((char*)"----2", pSyncNode);
+  syncNodePrint2((char*)"----2", pSyncNode);
 
   sTrace("sleep ...");
   taosMsleep(10000);
@@ -103,7 +103,7 @@ int main(int argc, char** argv) {
   sTrace("syncNodeStopPingTimer ...");
   ret = syncNodeStopPingTimer(pSyncNode);
   assert(ret == 0);
-  syncNodePrint((char*)"----3", pSyncNode);
+  syncNodePrint2((char*)"----3", pSyncNode);
 
   sTrace("sleep ...");
   taosMsleep(5000);
@@ -111,7 +111,7 @@ int main(int argc, char** argv) {
   sTrace("syncNodeStartPingTimer ...");
   ret = syncNodeStartPingTimer(pSyncNode);
   assert(ret == 0);
-  syncNodePrint((char*)"----4", pSyncNode);
+  syncNodePrint2((char*)"----4", pSyncNode);
 
   sTrace("sleep ...");
   taosMsleep(10000);
@@ -119,7 +119,7 @@ int main(int argc, char** argv) {
   sTrace("syncNodeStopPingTimer ...");
   ret = syncNodeStopPingTimer(pSyncNode);
   assert(ret == 0);
-  syncNodePrint((char*)"----5", pSyncNode);
+  syncNodePrint2((char*)"----5", pSyncNode);
 
   while (1) {
     sTrace("while 1 sleep ...");
diff --git a/source/libs/sync/test/syncRaftStoreTest.cpp b/source/libs/sync/test/syncRaftStoreTest.cpp
index 71c0138c8d..0c1c9b881e 100644
--- a/source/libs/sync/test/syncRaftStoreTest.cpp
+++ b/source/libs/sync/test/syncRaftStoreTest.cpp
@@ -22,15 +22,21 @@ int main() {
 
   SRaftStore *pRaftStore = raftStoreOpen("./raft_store.json");
   assert(pRaftStore != NULL);
-
   raftStorePrint(pRaftStore);
 
+#if 0
   pRaftStore->currentTerm = 100;
   pRaftStore->voteFor.addr = 200;
   pRaftStore->voteFor.vgId = 300;
-
-  raftStorePrint(pRaftStore);
   raftStorePersist(pRaftStore);
+  raftStorePrint(pRaftStore);
+#endif
+
+  ++(pRaftStore->currentTerm);
+  ++(pRaftStore->voteFor.addr);
+  ++(pRaftStore->voteFor.vgId);
+  raftStorePersist(pRaftStore);
+  raftStorePrint(pRaftStore);
 
   return 0;
 }