fix: only iterate next when delete the specified node

source/libs/executor/src/tsimplehash.c

@@ -294,12 +294,14 @@ int32_t tSimpleHashIterateRemove(SSHashObj *pHashObj, const void *key, size_t ke
         pPrev->next = pNode->next;
       }
 
+      if (*pIter ==  (void*)GET_SHASH_NODE_DATA(pNode)) {
         if (pNode->next) {
           *pIter = GET_SHASH_NODE_DATA(pNode->next);
         } else {
           *pIter = NULL;
           ++(*iter);
         }
+      }
 
       FREE_HASH_NODE(pNode);
       atomic_sub_fetch_64(&pHashObj->size, 1);