编译错误，Gradle version 2.2 is required.

> Failed to apply plugin [id 'com.android.application']
   > Gradle version 2.2 is required. Current version is 2.1. If using the gradle wrapper, try editing the distributionUrl in /home/peiliu/Downloads/BuildSystem/Repos/qii#weiciyuan/gradle/wrapper/gradle-wrapper.properties to gradle-2.2-all.zip