環(huán)境：

Android Studio 3.2 + macOS High Sierra 10.13.6

已科學(xué)上網(wǎng)

報(bào)錯(cuò)信息：

Unable to find valid certification path to requested target

Caused by: org.gradle.api.resources.ResourceException: Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.2.1/gradle-3.2.1.pom'

經(jīng)過一番排查，最終確認(rèn)是開了?Charles Proxy 造成的問題

解決方法：

1. 關(guān)閉?Charles Proxy

2. 重啟 Android Studio

參考：

https://stackoverflow.com/questions/26697118/android-studio-unable-to-find-valid-certification-path-to-requested-target