diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ea4310f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,17 @@
+TARGET=g40130x
+UV4=/C/Keil/UV4/Uv4.exe
+
+.PHONY: clean all
+
+timer: clean
+	@echo "build std version ..."
+	$(UV4) -cr -j0 -b g401302/project/g401302.uvproj -t"timer" -o"outTimer/OUTPUTFILE.TXT"
+	
+flow: clean
+	@echo "build shu version ..."
+	$(UV4) -cr -j0 -b g401302/project/g401302.uvproj -t"flow" -o"outFlow/OUTPUTFILE.TXT"
+	
+all: timer flow
+
+clean:
+	
\ No newline at end of file