修改:         build/intermediates/dex-cache/cache.xml
	修改:         build/intermediates/model_data.bin
	修改:         propaganda/build.gradle
	修改:         propaganda/propaganda.iml
	修改:         propaganda/src/main/java/com/datang/olv/propaganda/WelcomeActivity.java
	修改:         propaganda/src/main/java/com/datang/olv/propaganda/evaluate/EvaluatingActivity.java
	修改:         propaganda/src/main/java/com/datang/olv/propaganda/mooc/CourseActivity.java
	修改:         propaganda/src/main/java/com/datang/olv/propaganda/mooc/FavoriteActivity.java
	修改:         propaganda/src/main/java/com/datang/olv/propaganda/mooc/Video.java
	修改:         propaganda/src/main/res/layout/activity_evaluating.xml