diff --git a/README.md b/README.md
new file mode 100644
index 0000000..4352a3a
--- /dev/null
+++ b/README.md
@@ -0,0 +1,27 @@
+# NotificationPush
+此应用可以通过fcm从一台手机向另一台手机转发通知
+
+This app is for forwarding your notification from one phone to another using the fcm tunnel
+
+## What you need
+* 一台旧手机作为服务器(An old phone used as server)
+* 一台可以接收fcm推送的主力机(Your daily phone which could receive fcm push)
+* 完成！(finish!)
+
+## What you need to do
+*  [下载(download)](https://github.com/CJieLuo/NotificationPush/raw/master/app/release/app-release.apk "下载")
+* 为两台手机安装(Install for both phones)
+* 将主力机上的token（就是那堆乱码）复制到server的输入框中(Copy the token from daily phone to the input box on the server)
+* 取消电池优化(It's may be neccesary to turn off the battery optimization)
+* 现在，你应该能收到推送了(Now,you should have been able to recive the notification)
+
+### Only for users from China
+* 服务端可能必须24小时挂梯！
+
+# if you want to complier by yourself
+* 下载源码(Download the source code)
+* 在firebase中建立新项目(Create a new project in firebase)
+* 根据Google的firebase文档加入google-services.json文件(Add google-services.json file according to the offical document of Google)
+* 修改NotificationPush/app/src/main/java/com/RichardLuo/notificationpush/GetNotification.java中的常量Authorization和Sender为自己相应内容
+(Change the constant 'Authorization' and 'Sender' to what you have in firebase console)
+* 编译(Compiler)