diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/CollectActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/CollectActivity.java
index bbc333928..bfafeb110 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/CollectActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/CollectActivity.java
@@ -65,7 +65,6 @@ public class CollectActivity extends BaseActivity {
 
     @Override
     protected void initView() {
-        mExecutor = Executors.newFixedThreadPool(5);
         setRecyclerView();
         setViewModel();
         setPager();
@@ -121,6 +120,7 @@ public class CollectActivity extends BaseActivity {
     private void search() {
         mAdapter.add(Collect.all());
         mPageAdapter.notifyDataSetChanged();
+        mExecutor = Executors.newFixedThreadPool(mSites.size() / 3);
         mBinding.result.setText(getString(R.string.collect_result, getKeyword()));
         for (Site site : mSites) mExecutor.execute(() -> mViewModel.searchContent(site, getKeyword()));
     }