diff --git a/source/libs/sync/src/syncIndexMgr.c b/source/libs/sync/src/syncIndexMgr.c
index 18cb55b417411b46e9482409b40fc5dc477513f7..02411cfdbbe0379ba0872d412f51d4c1174f89ea 100644
--- a/source/libs/sync/src/syncIndexMgr.c
+++ b/source/libs/sync/src/syncIndexMgr.c
@@ -63,7 +63,12 @@ void syncIndexMgrSetIndex(SSyncIndexMgr *pSyncIndexMgr, const SRaftId *pRaftId,
   }
 
   // maybe config change
-  assert(0);
+  // assert(0);
+
+  char     host[128];
+  uint16_t port;
+  syncUtilU642Addr(pRaftId->addr, host, sizeof(host), &port);
+  sError("vgId:%d index mgr set for %s:%d, index:%" PRId64 " error", pSyncIndexMgr->pSyncNode->vgId, host, port, index);
 }
 
 SyncIndex syncIndexMgrGetIndex(SSyncIndexMgr *pSyncIndexMgr, const SRaftId *pRaftId) {
@@ -119,7 +124,7 @@ cJSON *syncIndexMgr2Json(SSyncIndexMgr *pSyncIndexMgr) {
 
 char *syncIndexMgr2Str(SSyncIndexMgr *pSyncIndexMgr) {
   cJSON *pJson = syncIndexMgr2Json(pSyncIndexMgr);
-  char * serialized = cJSON_Print(pJson);
+  char  *serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -162,7 +167,11 @@ void syncIndexMgrSetTerm(SSyncIndexMgr *pSyncIndexMgr, const SRaftId *pRaftId, S
   }
 
   // maybe config change
-  assert(0);
+  // assert(0);
+  char     host[128];
+  uint16_t port;
+  syncUtilU642Addr(pRaftId->addr, host, sizeof(host), &port);
+  sError("vgId:%d index mgr set for %s:%d, term:%lu error", pSyncIndexMgr->pSyncNode->vgId, host, port, term);
 }
 
 SyncTerm syncIndexMgrGetTerm(SSyncIndexMgr *pSyncIndexMgr, const SRaftId *pRaftId) {