fix: error handling

source/dnode/vnode/src/tq/tq.c

@@ -1010,16 +1010,21 @@ int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
 
       if (streamTaskInput(pTask, (SStreamQueueItem*)pRefBlock) < 0) {
         qError("stream task input del failed, task id %d", pTask->taskId);
+
+        taosFreeQitem(pRefBlock);
         continue;
       }
+
       if (streamSchedExec(pTask) < 0) {
         qError("stream task launch failed, task id %d", pTask->taskId);
         continue;
       }
+
     } else {
       streamTaskInputFail(pTask);
     }
   }
+
   int32_t ref = atomic_sub_fetch_32(pRef, 1);
   ASSERT(ref >= 0);
   if (ref == 0) {