Error:Execution failed for task ':app:mergeDebugResources'. > Some file crunchin

An error was reported when importing the WeChat Pay Demo into the studio, as shown in the figure:
Solution: Just add the following two lines of code to the app.build file;
aaptOptions.cruncherEnabled = false
aaptOptions.useNewCruncher = false I
searched a lot, and finally this post The solution is given, but I still don't know why. Please explain it to the experts. Thank you
. Reference from: https://segmentfault.com/q/1010000002634455