diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 6ee2dce59b72ed8ef0b336a5be21945a49801034..c072a5f1aa4e39dcaf0ce0e819b3cadc6e4ea03a 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -985,6 +985,8 @@ int32_t getTableList(void* metaHandle, void* pVnode, SScanPhysiNode* pScanNode,
       tMD5Init(&context);
       tMD5Update(&context, (uint8_t*)payload, (uint32_t)len);
       tMD5Final(&context);
+
+      taosMemoryFree(payload);
     }
 
     bool acquired = false;