flutter run 报错_project evaluation failed including an error in af

flutter run // 报错
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Initializing gradle...                                              0.8s
Resolving dependencies...                                               
* Error running Gradle:
ProcessException: Process "/Users/wukuy/Documents/code/my/cloud-music-mobile/android/gradlew" exited abnormally:

> Configure project :path_provider

Project evaluation failed including an error in afterEvaluate {}. Run with --stacktrace for details of the afterEvaluate {} error.

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring project ':path_provider'.
> Could not resolve all artifacts for configuration ':path_provider:classpath'.
   > Could not download guava.jar (com.google.guava:guava:26.0-jre)
      > Could not get resource 'https://jcenter.bintray.com/com/google/guava/guava/26.0-jre/guava-26.0-jre.jar'.
         > Could not GET 'https://jcenter.bintray.com/com/google/guava/guava/26.0-jre/guava-26.0-jre.jar'.
            > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid
            certification path to requested target
   > Could not download kotlin-reflect.jar (org.jetbrains.kotlin:kotlin-reflect:1.3.11)
      > Could not get resource 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-reflect/1.3.11/kotlin-reflect-1.3.11.jar'.
         > Could not GET 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-reflect/1.3.11/kotlin-reflect-1.3.11.jar'.
            > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid
            certification path to requested target

* 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 0s
  Command: /Users/wukuy/Documents/code/my/cloud-music-mobile/android/gradlew app:properties


Please review your Gradle project setup in the android/ folder.

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应该是gradle build失败，少了什么依赖

解决办法

cd android
gradle initial  // 多运行几次
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