diff --git a/bot_code_turn/makefile b/bot_code_turn/makefile
index 3b972b2..d7483ef 100644
--- a/bot_code_turn/makefile
+++ b/bot_code_turn/makefile
@@ -1,8 +1,10 @@
 
-cxx := gccarm
+# cxx := gccarm
+cxx := g++sim
 
 file_cpp := $(wildcard *.cpp)
-file_o := /home/pi/usr/maze2.x
+# file_o := /home/pi/usr/maze2.x
+file_o := ../maze2.x
 
 $(file_o) : $(file_cpp)
 	@$(cxx) $^ -o $@
diff --git a/maze2.x b/maze2.x
new file mode 100644
index 0000000..3e427a5
Binary files /dev/null and b/maze2.x differ