这是完整的输出：
我尝试切换到稳定频道并已经运行了这些命令。
- 颤振通道稳定
- 颤振升级
- 扑跑
即使在稳定的频道上，错误也不会消失！
C:\Users\Rudr\Documents\GitHub\Flutter-Facial-Attendance-App\facatte>flutter run
Launching lib\main.dart on SM M315F in debug mode...
Plugin project :firebase_core_web not found. Please update settings.gradle.
FAILURE: Build failed with an exception.
* What went wrong:
Could not determine the dependencies of task ':app:processDebugResources'.
> Could not resolve all task dependencies for configuration ':app:debugRuntimeClasspath'.
> Could not resolve io.flutter:flutter_embedding_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
Required by:
project :app
project :app > project :firebase_core
project :app > project :firebase_ml_vision
project :app > project :flutter_plugin_android_lifecycle
project :app > project :google_maps_flutter
project :app > project :image_picker
project :app > project :path_provider
project :app > project :geocoder
project :app > project :cloud_firestore
project :app > project :firebase_analytics
project :app > project :firebase_auth
project :app > project :geolocator
> Could not resolve io.flutter:flutter_embedding_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
> Could not get resource 'https://jcenter.bintray.com/io/flutter/flutter_embedding_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/flutter_embedding_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'.
> Could not GET 'https://jcenter.bintray.com/io/flutter/flutter_embedding_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/flutter_embedding_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'. Received status code 502 from server: Bad Gateway
> Could not resolve io.flutter:arm64_v8a_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
Required by:
project :app
> Could not resolve io.flutter:arm64_v8a_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
> Could not get resource 'https://jcenter.bintray.com/io/flutter/arm64_v8a_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/arm64_v8a_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'.
> Could not GET 'https://jcenter.bintray.com/io/flutter/arm64_v8a_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/arm64_v8a_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'. Received status code 502 from server: Bad Gateway
> Could not resolve io.flutter:x86_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
Required by:
project :app
> Could not resolve io.flutter:x86_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
> Could not get resource 'https://jcenter.bintray.com/io/flutter/x86_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/x86_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'.
> Could not GET 'https://jcenter.bintray.com/io/flutter/x86_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/x86_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'. Received status code 502 from server: Bad Gateway
> Could not resolve io.flutter:x86_64_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
Required by:
project :app
> Could not resolve io.flutter:x86_64_debug:1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.
> Could not get resource 'https://jcenter.bintray.com/io/flutter/x86_64_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/x86_64_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'.
> Could not GET 'https://jcenter.bintray.com/io/flutter/x86_64_debug/1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4/x86_64_debug-1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4.pom'. Received status code 502 from server: Bad Gateway
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 1m 9s
Running Gradle task 'assembleDebug'...
Running Gradle task 'assembleDebug'... Done 69.8s
Exception: Gradle task assembleDebug failed with exit code 1