[Bug report] 删除@消息之前的文本，输入中文后，发现光标位置不对

[DongXuanLei]

Version

14.0.0

Platforms

Windows

Device Model

Window 10

flutter info

[√] Flutter (Channel stable, 3.19.5, on Microsoft Windows [版本 10.0.19044.2728], locale zh-CN)
    • Flutter version 3.19.5 on channel stable at C:\dev\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 300451adae (9 weeks ago), 2024-03-27 21:54:07 -0500
    • Engine revision e76c956498
    • Dart version 3.3.3
    • DevTools version 2.31.1
    • Pub download mirror https://pub.flutter-io.cn
    • Flutter download mirror https://storage.flutter-io.cn

[√] Windows Version (Installed version of Windows is version 10 or higher)

[√] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
    • Android SDK at C:\Users\xl-dong\AppData\Local\Android\Sdk
    • Platform android-34, build-tools 34.0.0
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)
    • All Android licenses accepted.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[√] Visual Studio - develop Windows apps (Visual Studio Community 2022 17.7.3)
    • Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
    • Visual Studio Community 2022 version 17.7.34024.191
    • Windows 10 SDK version 10.0.22621.0

[√] Android Studio (version 2020.3)
    • Android Studio at C:\Program Files\Android\Android Studio
    • 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
    • Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)

[√] Connected device (3 available)
    • Windows (desktop) • windows • windows-x64    • Microsoft Windows [版本 10.0.19044.2728]
    • Chrome (web)      • chrome  • web-javascript • Google Chrome 124.0.6367.202
    • Edge (web)        • edge    • web-javascript • M

How to reproduce?

运行demo，点击custom toobar，删除@消息之前的文本，输入中文后，发现光标位置不对。

IMG_4678_2.mov

Logs

No response

Example code (optional)

No response

Contact

675127949@qq.com