@ -82,7 +82,7 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
when (item.itemId) {
R.id.menu_download -> launch(IO) {
R.id.menu_download -> {
if (adapter.downloadMap.isNullOrEmpty()) {
adapter.getItems().forEach { book ->
CacheBook.start(