add demo
diff --git a/demo/sync-demo.pro b/demo/sync-demo.pro
new file mode 100644
index 0000000..e912e77
--- /dev/null
+++ b/demo/sync-demo.pro
@@ -0,0 +1,15 @@
+TEMPLATE = app
+TARGET = sync-demo
+HEADERS = chatdialog.h 
+
+SOURCES = main.cpp \
+          chatdialog.cpp
+
+FORMS = chatdialog.ui
+
+
+QMAKE_LIBDIR *= /opt/local/lib /usr/local/lib /usr/lib
+INCLUDEPATH *= /opt/local/include /usr/local/include
+LIBS *= -lccn -lssl -lcrypto 
+CONFIG += console 
+