Flutter-desktop-embedding: [windows]flutter: Another exception was thrown: FormatException: Bad UTF-8 encoding 0x4c (at offset 224)

[godot0413301]

Describe the bug
when I input chinese,like using:TextField and InputDecoration,I cannot input any chinese.the console tails me:
flutter: Another exception was thrown: FormatException: Bad UTF-8 encoding 0x4c (at offset 224)
Doctor Output

flutter doctor -v
[√] Flutter (Channel master, v1.9.8-pre.54, on Microsoft Windows [Version 10.0.18362.295], locale zh-CN)
    • Flutter version 1.9.8-pre.54 at D:\flutter\flutter
    • Framework revision 16fcb83fec (4 hours ago), 2019-09-02 23:44:41 -0400
    • Engine revision e7f9ef6aa0
    • Dart version 2.5.0 (build 2.5.0-dev.4.0 36985859e4)

[√] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
    • Android SDK at C:\Users\godot\AppData\Local\Android\Sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-28, build-tools 28.0.3
    • ANDROID_HOME = C:\Users\godot\AppData\Local\Android\Sdk;C:\Users\godot\AppData\Local\Android\Sdk\platform-tools;
    • Java binary at: D:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
    • All Android licenses accepted.

[√] Android Studio (version 3.5)
    • Android Studio at D:\Program Files\Android\Android Studio
    • Flutter plugin version 38.2.3
    • Dart plugin version 191.8423
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)

I use windows10,for flutter desktop

[stuartmorgan]

See https://github.com/flutter/flutter/issues/30661

[godot0413301]

Looking forward to an early repair, the desktop application of flutter is imported into Chinese.