我有一个很奇怪的问题。昨天将 Flutter 升级到最新版本后，我的语法突出显示非常糟糕。当我打开一个文件时，一切似乎都很好，但是一旦分析了文件并将结果用于突出显示，一切都会中断。

正确（打开文件后 1-2 秒）：

错误（大约 2 秒后）：

我正在为 VsCode 使用 Monokai 主题。我很想找回我的旧颜色，因为我认为新方案很难看。

我的 Flutter Doctor 输出（所有版本等）：

[flutter] flutter doctor -v
[?] Flutter (Channel stable, 2.0.3, on Microsoft Windows [Version 10.0.19042.867], locale en-NZ)
    • Flutter version 2.0.3 at R:ProgrammeFlutter
    • Framework revision 4d7946a68d (3 days ago), 2021-03-18 17:24:33 -0700
    • Engine revision 3459eb2436
    • Dart version 2.12.2

[?] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at R:ProgrammeAndroidsdk
    • Platform android-30, build-tools 30.0.2
    • Java binary at: R:ProgrammeAndroidAndroid Studiojrebinjava
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
    • All Android licenses accepted.

[?] Chrome - develop for the web
    • Chrome at C:Program Files (x86)GoogleChromeApplicationchrome.exe

[?] Android Studio (version 4.0)
    • Android Studio at R:ProgrammeAndroidAndroid Studio
    • Flutter plugin version 48.1.2
    • Dart plugin version 193.7361
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)

[?] IntelliJ IDEA Ultimate Edition (version 2020.3)
    • IntelliJ at C:Program FilesJetBrainsIntelliJ IDEA 2019.2.2
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
       https://plugins.jetbrains.com/plugin/6351-dart

[?] VS Code, 64-bit edition (version 1.54.3)
    • VS Code at C:Program FilesMicrosoft VS Code
    • Flutter extension version 3.20.0

[?] Connected device (2 available)
    • Chrome (web) • chrome • web-javascript • Google Chrome 89.0.4389.90
    • Edge (web)   • edge   • web-javascript • Microsoft Edge 89.0.774.57

• No issues found!
exit code 0

任何帮助将不胜感激 ：）

回答