如何解决dart migrate 命令在我自己的文件中显示了 >2000 个错误，但没有提供指向网络迁移工具界面的链接
在我运行 dart migrate 后，它向我显示如下错误：
error • The parameter 'key' can't have a value of 'null' because of its type,but the implicit default value is 'null' at lib/presentation/widgets/home_page_widgets/home_page_list_items/repeat_unit_list_item_score.dart:10:9 • (missing_default_value_for_parameter)
error • The parameter 'score' can't have a value of 'null' because of its type,but the implicit default value is 'null' at lib/presentation/widgets/home_page_widgets/home_page_list_items/repeat_unit_list_item_score.dart:11:19 • (missing_default_value_for_parameter)
error • The parameter 'isLocked' can't have a value of 'null' because of its type,but the implicit default value is 'null' at lib/presentation/widgets/home_page_widgets/home_page_list_items/repeat_unit_list_item_score.dart:12:20 • (missing_default_value_for_parameter)
error • The parameter 'todoubleup' can't have a value of 'null' because of its type,but the implicit default value is 'null' at lib/presentation/widgets/home_page_widgets/home_page_list_items/repeat_unit_list_item_score.dart:13:10 • (missing_default_value_for_parameter)
error • The parameter 'isCertificateNeedToRepeat' can't have a value of 'null' because of its type,but the implicit default value is 'null' at lib/presentation/widgets/home_page_widgets/home_page_list_items/repeat_unit_list_item_score.dart:14:10 • (missing_default_value_for_parameter)
error • The argument type 'double?' can't be assigned to the parameter type 'double' at lib/presentation/widgets/home_page_widgets/home_page_list_items/repeat_unit_list_item_score.dart:39:11 • (argument_type_not_assignable)
它们肯定与空安全相关，但为什么它不提供指向迁移工具的 Web 界面的链接？
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