Add it in your root build.gradle at the end of repositories:

allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}

dependencies {
        compile 'com.github.YIYEWANG:crash:1.0'
}

dependencies {
	compile 'com.wman.androidLib:crash:1.0.0'
}