Crash app when build macOs

[linhmanh92]

When I build on macOS, it crashes by plugin with this error.
Unhandled Exception: MissingPluginException(No implementation found for method close on channel flutter_webview_plugin)

System info

Issue occurs on: macOS
Plugin version: 0.3.11
Flutter doctor output:

[✓] Flutter (Channel master, 1.21.0-10.0.pre.161, on Mac OS X 10.15.6 19G2021, locale en-VN)

[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[✓] Xcode - develop for iOS and macOS (Xcode 11.6)
[✓] Chrome - develop for the web
[✓] Android Studio (version 4.0)
[✓] VS Code (version 1.48.0)
[✓] Connected device (3 available)

• No issues found!