Android Studio运行提示Error:Execution failed for task ':app:buildInfoDebugLoader'

运行提示错误：
Error:Execution failed for task ':app:buildInfoDebugLoader'.

> Exception while doing past iteration backup :
Source E:\My\Android\Project\QQ_Online\app\build\intermediates\builds\debug\4520597117591\classes.dex
and destination E:\My\Android\Project\QQ_Online\app\build\intermediates\builds\debug\4520597117591\classes.dex
must be different

解决方法：

删除Module下的build文件夹。