diff --git a/source/libs/sync/inc/syncRaftLog.h b/source/libs/sync/inc/syncRaftLog.h
index c3082bc177f3aa7363cdd4718459c96a62f78a35..0461c8f5357e7206d5940dcb40454fe37caa2dac 100644
--- a/source/libs/sync/inc/syncRaftLog.h
+++ b/source/libs/sync/inc/syncRaftLog.h
@@ -34,20 +34,19 @@ typedef struct SSyncLogStoreData {
 
 SSyncLogStore*  logStoreCreate(SSyncNode* pSyncNode);
 void            logStoreDestory(SSyncLogStore* pLogStore);
-int32_t         logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry);
-SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index);
-int32_t         logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex);
-SyncIndex       logStoreLastIndex(SSyncLogStore* pLogStore);
-SyncTerm        logStoreLastTerm(SSyncLogStore* pLogStore);
-int32_t         logStoreUpdateCommitIndex(SSyncLogStore* pLogStore, SyncIndex index);
-SyncIndex       logStoreGetCommitIndex(SSyncLogStore* pLogStore);
-
 cJSON*          logStore2Json(SSyncLogStore* pLogStore);
 char*           logStore2Str(SSyncLogStore* pLogStore);
 cJSON*          logStoreSimple2Json(SSyncLogStore* pLogStore);
 char*           logStoreSimple2Str(SSyncLogStore* pLogStore);
 
 // SSyncRaftEntry* logStoreGetLastEntry(SSyncLogStore* pLogStore);
+// SyncIndex       logStoreLastIndex(SSyncLogStore* pLogStore);
+// SyncTerm        logStoreLastTerm(SSyncLogStore* pLogStore);
+// SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index);
+// int32_t         logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry);
+// int32_t         logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex);
+// int32_t         logStoreUpdateCommitIndex(SSyncLogStore* pLogStore, SyncIndex index);
+// SyncIndex       logStoreGetCommitIndex(SSyncLogStore* pLogStore);
 
 // for debug
 void logStorePrint(SSyncLogStore* pLogStore);
diff --git a/source/libs/sync/src/syncRaftLog.c b/source/libs/sync/src/syncRaftLog.c
index 763a287bd8807cd31c093fce7213edc568595026..997129f8a131b79ee0372209e23db26edcc45724 100644
--- a/source/libs/sync/src/syncRaftLog.c
+++ b/source/libs/sync/src/syncRaftLog.c
@@ -17,6 +17,13 @@
 #include "wal.h"
 
 static SSyncRaftEntry* logStoreGetLastEntry(SSyncLogStore* pLogStore);
+static SyncIndex       logStoreLastIndex(SSyncLogStore* pLogStore);
+static SyncTerm        logStoreLastTerm(SSyncLogStore* pLogStore);
+static SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index);
+static int32_t         logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry);
+static int32_t         logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex);
+static int32_t         logStoreUpdateCommitIndex(SSyncLogStore* pLogStore, SyncIndex index);
+static SyncIndex       logStoreGetCommitIndex(SSyncLogStore* pLogStore);
 
 
 SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {