node.js - react-native run-android Could not resolve all dependencies for configuration ':classpath' -

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i learing react-native,i got error when used command 'react-native run-android' on windows 10

failure: build failed exception.  * went wrong: problem occurred configuring root project 'demo'. > not resolve dependencies configuration ':classpath'.    > not download gradle-core.jar (com.android.tools.build:gradle-core:1.3.1)       > not resource 'https://jcenter.bintray.com/com/android/tools/build/gradle-core/1.3.1/gradle-core-1.3.1.jar'.          > not 'https://jcenter.bintray.com/com/android/tools/build/gradle-core/1.3.1/gradle-core-1.3.1.jar'.             > peer not authenticated  * try: run --stacktrace option stack trace. run --info or --debug option more log output.

i'm tired,i'll appreciate helping me!


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