问错误:必须提供所需的命名参数“vsync”

EN

/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/getwidget-2.0.5/lib/components/animation/gf_animation.dart:244:28: Error: Required named parameter 'vsync' must be provided.
        child: AnimatedSize(
                           ^
/C:/src/flutter/packages/flutter/lib/src/widgets/animated_size.dart:56:9: Context: Found this candidate, but the arguments don't match.
  const AnimatedSize({
        ^^^^^^^^^^^^


FAILURE: Build failed with an exception.

* Where:
Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1035

* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\src\flutter\bin\flutter.bat'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 32s
Exception: Gradle task assembleDebug failed with exit code 1