diff --git a/ap/app/appdemo/demo2.cpp b/ap/app/appdemo/demo2.cpp
new file mode 100644
index 0000000..fae58a8
--- /dev/null
+++ b/ap/app/appdemo/demo2.cpp
@@ -0,0 +1,15 @@
+#include <cstring>
+#include <iostream>
+
+int main(int argc,char *argv[])
+{
+
+	char c[1024]={0};
+
+	strcpy(c, std::to_string(100).c_str());
+	
+	std::cout << "Hello World!" << std::endl;
+	std::cout << c << std::endl;
+
+	return 0;
+}