Hardware keyboard not working on ios simulator

1. download flutter boost as following:
flutter_boost:
git:
url: 'https://github.com/alibaba/flutter_boost.git'
ref: 'v3.0-release.2'

2. run example , and click "Push Flutter Page"
3. setting iOS simulator => Connect Hardware keyboard
4. no response when type words with Hardware keyboard
5. it's not happen if we didn't use flutter_boost.

Flutter version:
it's not working on 2.10.3 or 3.0.4

Reproduce the issue in the example using flutter_boost v3.0-release.2 on the reported Flutter versions, with the iOS Simulator's Connect Hardware Keyboard enabled. Compare typing after pushing a Flutter page with and without flutter_boost; done means hardware keyboard input works in the Flutter page.

Written by the indexing model from the issue text.