作为选择，您可以将build.gradle更改为

As an option, you can change the build.gradle from

proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-project.txt'

到

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-project.txt'

关闭优化.