在此输入图像描述 如何修复图像中的错误
我询问了人工智能，但它无法帮助我。
C:\Users\Pentium>flutter doctor
Building flutter tool...
Running pub upgrade...
Resolving dependencies... (5.9s)
Because flutter_tools depends on test any which doesn't exist
(authorization failed), version solving failed.
Insufficient permissions to the resource at the https://pub.dev
package repository.
You can modify credentials using:
dart pub token add https://pub.dev
Error (69): Unable to 'pub upgrade' flutter tool. Retrying in five
seconds... (9 tries left)
Waiting for 0 seconds, press CTRL+C to quit ...
尝试更新版本构建工具，../build.gradle 文件，如下所示：
classpath 'com.android.tools.build:gradle:8.0.0'
请在运行项目之前使用此命令：
flutter clean
flutter pub get
flutter upgrade