message: init yield 0
diff: @@ -354,6 +354,7 @@ int sw_coro_create(zend_fcall_info_cache *fci_cache, zval **argv, int argc, zval
  task->origin_vm_stack_end = origin_vm_stack_end;
  task->start_time = time(NULL);
  task->function = NULL;
  + task->is_yield = 0;
  task->state = SW_CORO_RUNNING;
  task->co = GetCurrThreadCo();
  libco_set_task(task);
  