Is there an existing issue for this?

• I have searched the existing issues
• I have read the guide to filing a bug

Steps to reproduce

Bad UTF-8 encoding (U+FFFD; REPLACEMENT CHARACTER) found while decoding string: flutter: 2023-08-23 10:36:41.586964 debug: applyUpdateBlock opt:r, ctl:message, data:[{level: 0, ref_msg_id: 0, msg: , chat_idx: 98, chat_id: 12218, create_time: 1675994731, id: 321548, send_id: 2894, typ: 1, content: {"text":"@飞鱼 二月二\r\n🌈🌈�. The Flutter team would greatly appreciate if you could file a bug explaining exactly what you were doing when this happened:

Expected results

Normal operation

Actual results

Application crash

Code sample

Bad UTF-8 encoding (U+FFFD; REPLACEMENT CHARACTER) found while decoding string: flutter: 2023-08-23 10:36:41.586964 debug: applyUpdateBlock opt:r, ctl:message, data:[{level: 0, ref_msg_id: 0, msg: , chat_idx: 98, chat_id: 12218, create_time: 1675994731, id: 321548, send_id: 2894, typ: 1, content: {"text":"@飞鱼 二月二\r\n🌈🌈�. The Flutter team would greatly appreciate if you could file a bug explaining exactly what you were doing when this happened:

Screenshots or Video

Logs

Bad UTF-8 encoding (U+FFFD; REPLACEMENT CHARACTER) found while decoding string: flutter: 2023-08-23 10:36:41.586964 debug: applyUpdateBlock opt:r, ctl:message, data:[{level: 0, ref_msg_id: 0, msg: , chat_idx: 98, chat_id: 12218, create_time: 1675994731, id: 321548, send_id: 2894, typ: 1, content: {"text":"@飞鱼 二月二\r\n🌈🌈�. The Flutter team would greatly appreciate if you could file a bug explaining exactly what you were doing when this happened:
https://github.com/flutter/flutter/issues/new/choose
The source bytes were:
[102, 108, 117, 116, 116, 101, 114, 58, 32, 50, 48, 50, 51, 45, 48, 56, 45, 50, 51, 32, 49, 48, 58, 51, 54, 58, 52, 49, 46, 53, 56, 54, 57, 54, 52, 32, 100, 101, 98, 117, 103, 58, 32, 97, 112, 112, 108, 121, 85, 112, 100, 97, 116, 101, 66, 108, 111, 99, 107, 32, 111, 112, 116, 58, 114, 44, 32, 99, 116, 108, 58, 109, 101, 115, 115, 97, 103, 101, 44, 32, 100, 97, 116, 97, 58, 91, 123, 108, 101, 118, 101, 108, 58, 32, 48, 44, 32, 114, 101, 102, 95, 109, 115, 103, 95, 105, 100, 58, 32, 48, 44, 32, 109, 115, 103, 58, 32, 44, 32, 99, 104, 97, 116, 95, 105, 100, 120, 58, 32, 57, 56, 44, 32, 99, 104, 97, 116, 95, 105, 100, 58, 32, 49, 50, 50, 49, 56, 44, 32, 99, 114, 101, 97, 116, 101, 95, 116, 105, 109, 101, 58, 32, 49, 54, 55, 53, 57, 57, 52, 55, 51, 49, 44, 32, 105, 100, 58, 32, 51, 50, 49, 53, 52, 56, 44, 32, 115, 101, 110, 100, 95, 105, 100, 58, 32, 50, 56, 57, 52, 44, 32, 116, 121, 112, 58, 32, 49, 44, 32, 99, 111, 110, 116, 101, 110, 116, 58, 32, 123, 34, 116, 101, 120, 116, 34, 58, 34, 64, 233, 163, 158, 233, 177, 188, 32, 228, 186, 140, 230, 156, 136, 228, 186, 140, 92, 114, 92, 110, 240, 159, 140, 136, 240, 159, 140, 136, 239, 191, 189]

Flutter Doctor output

[!] Flutter (Channel [user-branch], 3.13.0, on macOS 12.6.5 21G531 darwin-arm64, locale zh-Hans-CN)
! Flutter version 3.13.0 on channel [user-branch] at /Users/wuwenwei/development/flutter
Currently on an unknown channel. Run flutter channel to switch to an official channel.
If that doesn't fix the issue, reinstall Flutter by following instructions at https://flutter.dev/docs/get-started/install.
! Upstream repository unknown source is not a standard remote.
Set environment variable "FLUTTER_GIT_URL" to unknown source to dismiss this error.
• Framework revision efbf63d (7 days ago), 2023-08-15 21:05:06 -0500
• Engine revision 1ac611c64e
• Dart version 3.1.0
• DevTools version 2.25.0
• Pub download mirror https://pub.flutter-io.cn
• Flutter download mirror https://storage.flutter-io.cn
• If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and upgrades.

[✓] Android toolchain - develop for Android devices (Android SDK version 32.0.0)
• Android SDK at /Users/wuwenwei/Library/Android/sdk
• Platform android-33, build-tools 32.0.0
• Java binary at: /Applications/Android Studio.app/Contents/jre/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 11.0.13+0-b1751.21-8125866)
• All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 14.2)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 14C18
• CocoaPods version 1.11.2

[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2021.3)
• Android Studio at /Applications/Android Studio.app/Contents
• 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 11.0.13+0-b1751.21-8125866)

[✓] VS Code (version 1.81.1)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.70.0

[✓] Connected device (4 available)
• ELE AL00 (mobile) • 8KE5T19513005798 • android-arm64 • Android 10 (API 29)
• wuww (mobile) • 00008110-001C09120C82801E • ios • iOS 16.3.1 20D67
• macOS (desktop) • macos • darwin-arm64 • macOS 12.6.5 21G531 darwin-arm64
• Chrome (web) • chrome