diff --git a/source/libs/executor/src/tsort.c b/source/libs/executor/src/tsort.c
index caa3ba3cf3..cd8470883b 100644
--- a/source/libs/executor/src/tsort.c
+++ b/source/libs/executor/src/tsort.c
@@ -109,6 +109,10 @@ static int32_t sortComparClearup(SMsortComparParam* cmpParam) {
 }
 
 void tsortDestroySortHandle(SSortHandle* pSortHandle) {
+  if (pSortHandle == NULL) {
+    return;
+  }
+
   tsortClose(pSortHandle);
   if (pSortHandle->pMergeTree != NULL) {
     tMergeTreeDestroy(pSortHandle->pMergeTree);