diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index 86090fed43..a249bad724 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -602,9 +602,9 @@ int32_t streamTaskStop(SStreamTask* pTask) {
     stError("failed to handle STOP event, s-task:%s", id);
   }
 
-  if (pTask->info.taskLevel != TASK_LEVEL__SINK) {
+  if (pTask->info.taskLevel != TASK_LEVEL__SINK && pTask->exec.pExecutor != NULL) {
     code = qKillTask(pTask->exec.pExecutor, TSDB_CODE_SUCCESS);
-    if (code) {
+    if (code != TSDB_CODE_SUCCESS) {
       stError("s-task:%s failed to kill task related query handle", id);
     }
   }