尝试了另一个Android工作室版本，同样的错误。所以问题在于支持存储库更新47.错误来自日志文件：
2017-04-29 16:55:03,591 [ 32839] INFO - ectedPackagesStep$CustomLogger - Google Repository (extras;google;m2repository)
2017-04-29 16:55:03,591 [ 32839] INFO - ectedPackagesStep$CustomLogger -
2017-04-29 16:55:03,626 [ 32874] INFO - ectedPackagesStep$CustomLogger - Preparing "Install Google Repository (revision: 47)".
2017-04-29 16:55:03,650 [ 32898] WARN - ls.idea.sdk.wizard.InstallTask -
java.lang.NullPointerException at java.io.File.<init>(File.java:277)
at com.android.repository.impl.installer.AbstractPackageOperation.writeInstallerMetadata(AbstractPackageOperation.java:395)
at com.android.repository.impl.installer.AbstractPackageOperation.prepare(AbstractPackageOperation.java:294)
at com.android.tools.idea.sdk.wizard.InstallTask.preparePackages(InstallTask.java:194)
at com.android.tools.idea.sdk.wizard.InstallTask.run(InstallTask.java:101)
at com.intellij.openapi.progress.impl.CoreProgressManager$TaskRunnable.run(CoreProgressManager.java:726)
at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$1(CoreProgressManager.java:176)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:556)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:501)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:66)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:163)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$1.run(ProgressManagerImpl.java:137)
at com.intellij.openapi.application.impl.ApplicationImpl$2.run(ApplicationImpl.java:334)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
任何想法如何解决？无法立即构建项目