diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index 0e7607425d..3833e3db79 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -723,6 +723,7 @@ static int32_t loadFileBlockBrinInfo(STsdbReader* pReader, SArray* pIndexList, S
   while (1) {
     int32_t code = getNextBrinRecord(&iter, &pRecord);
     if (code != TSDB_CODE_SUCCESS) {
+      clearBrinBlockIter(&iter);
       return code;
     }
 
@@ -757,12 +758,14 @@ static int32_t loadFileBlockBrinInfo(STsdbReader* pReader, SArray* pIndexList, S
 
     if (!(pRecord->suid == pReader->info.suid && uid == pRecord->uid)) {
       tsdbError("tsdb failed at: %s:%d", __func__, __LINE__);
+      clearBrinBlockIter(&iter);
       return TSDB_CODE_INTERNAL_ERROR;
     }
 
     STableBlockScanInfo* pScanInfo = NULL;
     code = getTableBlockScanInfo(pReader->status.pTableMap, uid, &pScanInfo, pReader->idStr);
     if (code != TSDB_CODE_SUCCESS) {
+      clearBrinBlockIter(&iter);
       return code;
     }
 
@@ -807,6 +810,7 @@ static int32_t loadFileBlockBrinInfo(STsdbReader* pReader, SArray* pIndexList, S
     if (pScanInfo->pBlockList == NULL) {
       pScanInfo->pBlockList = taosArrayInit(4, sizeof(SFileDataBlockInfo));
       if (pScanInfo->pBlockList == NULL) {
+        clearBrinBlockIter(&iter);
         return TSDB_CODE_OUT_OF_MEMORY;
       }
     }
@@ -814,6 +818,7 @@ static int32_t loadFileBlockBrinInfo(STsdbReader* pReader, SArray* pIndexList, S
     if (pScanInfo->pBlockIdxList == NULL) {
       pScanInfo->pBlockIdxList = taosArrayInit(4, sizeof(STableDataBlockIdx));
       if (pScanInfo->pBlockIdxList == NULL) {
+        clearBrinBlockIter(&iter);
         return TSDB_CODE_OUT_OF_MEMORY;
       }
     }
@@ -822,6 +827,7 @@ static int32_t loadFileBlockBrinInfo(STsdbReader* pReader, SArray* pIndexList, S
     recordToBlockInfo(&blockInfo, pRecord);
     void* p1 = taosArrayPush(pScanInfo->pBlockList, &blockInfo);
     if (p1 == NULL) {
+      clearBrinBlockIter(&iter);
       return TSDB_CODE_OUT_OF_MEMORY;
     }
 
@@ -840,6 +846,7 @@ static int32_t loadFileBlockBrinInfo(STsdbReader* pReader, SArray* pIndexList, S
     } else {
       STableBlockScanInfo** p = taosArrayGetLast(pTableScanInfoList);
       if (p == NULL) {
+        clearBrinBlockIter(&iter);
         return TSDB_CODE_INVALID_PARA;
       }
 
@@ -849,6 +856,7 @@ static int32_t loadFileBlockBrinInfo(STsdbReader* pReader, SArray* pIndexList, S
     }
 
     if (p1 == NULL) {
+      clearBrinBlockIter(&iter);
       return TSDB_CODE_OUT_OF_MEMORY;
     }
   }