update readme

README.md

@@ -2,11 +2,12 @@
 
 **Usage**
 
-it creates a child process by NDK calling linux fork function. callback your android java code run in the child process inside. Such as [Watchdog](https://github.com/droidwolf/NativeSubprocess/blob/master/src/com/droidwolf/example/WatchDog.java "WatchDog") (sample [ProcessWatcher](https://github.com/droidwolf/NativeSubprocess/blob/master/src/com/droidwolf/example/ProcessWatcher.java "ProcessWatcher")) to monitor your android app service, call up the customer satisfaction survey feedback page (sample [UninstallWatcher](https://github.com/droidwolf/NativeSubprocess/blob/master/src/com/droidwolf/example/UninstallWatcher.java "UninstallWatcher")) when uninstalling your applications.
+it creates a child process by NDK calling linux fork function. callback your android java code run in the child process inside. Such as
+[Watchdog](https://github.com/droidwolf/NativeSubprocess/blob/master/example/src/main/java/com/droidwolf/example/WatchDog.java "WatchDog")(sample [ProcessWatcher](https://github.com/droidwolf/NativeSubprocess/blob/master/example/src/main/java/com/droidwolf/example/ProcessWatcher.java "ProcessWatcher"))to monitor your android app service, call up the customer satisfaction survey feedback page(sample [UninstallWatcher](https://github.com/droidwolf/NativeSubprocess/blob/master/example/src/main/java/com/droidwolf/example/UninstallWatch "UninstallWatcher")) when uninstalling your applications.
 
 **How to use**
 
-1. copy [subprocess-release.aar](https://raw.githubusercontent.com/droidwolf/NativeSubprocess/master/subprocess/subprocess-release.aar) to lib directory.
+1. import [subprocess-release.aar](https://raw.githubusercontent.com/droidwolf/NativeSubprocess/master/subprocess/subprocess-release.aar) .
 3. implements Subprocess class and  override runOnSubprocess function.
 4. Finally, create your child process call by Subprocess.create function.