diff --git a/source/client/src/clientRawBlockWrite.c b/source/client/src/clientRawBlockWrite.c
index f5cdfeadad..0f87f5b81f 100644
--- a/source/client/src/clientRawBlockWrite.c
+++ b/source/client/src/clientRawBlockWrite.c
@@ -377,6 +377,7 @@ _exit:
   for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
     pCreateReq = req.pReqs + iReq;
     taosMemoryFreeClear(pCreateReq->comment);
+    taosMemoryFreeClear(pCreateReq->sql);
     if (pCreateReq->type == TSDB_CHILD_TABLE) {
       taosArrayDestroy(pCreateReq->ctb.tagName);
     }