run error

[ldy1691github]

../../../../flutter/packages/flutter/lib/src/widgets/form.dart:448:14: Error: Type 'List' of the case expression is not a subtype of type 'AutovalidateMode' of this switch expression.

• 'List' is from 'dart:core'.
• 'AutovalidateMode' is from 'package:flutter/src/widgets/form.dart' ('../../../../flutter/packages/flutter/lib/src/widgets/form.dart').
  case [AutovalidateMode.always]:
  ^
  ../../../../flutter/packages/flutter/lib/src/widgets/form.dart:447:22: Context: The switch expression is here.
  switch (widget.autovalidateMode) {
  ^

macbook pro is M1pro dart 2.17 flutter 3.0