diff --git a/makefile b/makefile
index 1aed363..983a850 100644
--- a/makefile
+++ b/makefile
@@ -53,6 +53,12 @@ cpp-clean :
 	rm -vf $(EXE)
 	rm -vf *.o
 
+#-----------------------------------------------------------------------------#
+# linter and code check
+
+check-code:
+	cppcheck --enable=all -I lib/ src/main.cpp
+
 #-----------------------------------------------------------------------------#
 # check version consistency of git tags and version string in package.json