diff --git a/README.md b/README.md
index cd4cd21..75145be 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,31 @@
-# myRtsp
+myRtspClient
+================================================================================
+
+This package contains a RTSP Client libraries which is based on JRTPLIB.
+Under the license of Apache License V2.0.
+
+Linux/Unix installation
+--------------------------------------------------------------------------------
+Now, myRtspClient installation is not supported. You can only the library
+./myRtspClient/libmyRtspClient.a. And the headers is in ./myRtspClient/include.
+
+Compiling based on different os-platform, you NEED to configure the
+config.<os-platform> file. 
+For example: 
+Compiling based on x86, which configure use file 'config.linux':
+ 	$ ./genMakefiles linux
+ 	$ make
+
+(Configure your cross compile tool in 'config.armlinux' first)
+Compiling based on armlinux, which configure use file 'config.armlinux':
+	$ ./genMakefiles armlinux
+	$ make
+
+Features
+--------------------------------------------------------------------------------
+Video Codec Support:
+	H264
+
+Info
+--------------------------------------------------------------------------------
+Ansersion 	ansersion@sina.com
diff --git a/config.armlinux b/config.armlinux
index ff242c1..97b8215 100755
--- a/config.armlinux
+++ b/config.armlinux
@@ -1,5 +1,11 @@
-CROSS_COMPILE_DIR= 	/usr
-CROSS_COMPILE=		$(CROSS_COMPILE_DIR)/bin/arm-linux-gnueabi-
+# Configure you cross compiling parameters here.
+# If your arm-linux-gcc is installed by "apt-get", it would be:
+#
+# CROSS_COMPILE_DIR= 	/usr
+# CROSS_COMPILE=		$(CROSS_COMPILE_DIR)/bin/arm-linux-gnueabi-
+#
+CROSS_COMPILE_DIR?=
+CROSS_COMPILE?=
 COMPILE_OPTS =		$(INCLUDES) -I. -O2 
 C =			c
 C_COMPILER =		$(CROSS_COMPILE)gcc
diff --git a/example/simple_example.cpp b/example/simple_example.cpp
index 233efb0..66cd814 100644
--- a/example/simple_example.cpp
+++ b/example/simple_example.cpp
@@ -26,8 +26,8 @@ using std::endl;
 
 int main(int argc, char *argv[])
 {
-	// string RtspUri("rtsp://127.0.0.1/ansersion");
-	string RtspUri("rtsp://192.168.81.145/ansersion");
+	string RtspUri("rtsp://127.0.0.1/ansersion");
+	// string RtspUri("rtsp://192.168.81.145/ansersion");
 	RtspClient Client;
 
 	/* Set up rtsp server resource URI */