diff --git a/balloon/main.cpp b/balloon/main.cpp
deleted file mode 100644
index 8dcbdd0..0000000
--- a/balloon/main.cpp
+++ /dev/null
@@ -1,129 +0,0 @@
-#include "balloon.h"
-
-resource_file prog;
-balloon_lexer lex;
-balloon_parse pas;
-std::string command;
-
-int main()
-{
-	std::cout<<">> Balloon interpreter by ValKmjolnir"<<std::endl;
-	std::cout<<">> Input [help] to find help."<<std::endl;
-	while(1)
-	{
-		std::cout<<">> ";
-		std::cin>>command;
-		if(command=="help")
-		{
-			std::cout<<">> Balloon interpreter by ValKmjolnir"<<std::endl;
-			std::cout<<">> 1. [      ] |input file name to load the file."<<std::endl;
-			std::cout<<">> 2. [cls   ] |clear the screen."<<std::endl;
-			std::cout<<">> 3. [exit  ] |shut down the interpreter."<<std::endl;
-			std::cout<<">> 4. [lexer ] |run and show the lexer. (-lexer)"<<std::endl;
-			std::cout<<">> 5. [parser] |run parser and see parse stack & parse result(s). (-parser)"<<std::endl;
-			std::cout<<">> 6. [ast   ] |print the abstract syntax tree."<<std::endl;
-			std::cout<<">> 7. [del   ] |delete program in memory."<<std::endl;
-			std::cout<<">> 8. [run   ] |run the programme in stack. (-lexer -parser)"<<std::endl;
-			std::cout<<">> 9. [rs    ] |check the source program."<<std::endl;
-			std::cout<<">>10. [total ] |check code with lib."<<std::endl;
-			std::cout<<">>11. [sound ] |make noise(?)."<<std::endl;
-		}
-		else if(command=="cls")
-		{
-			system("cls");
-			// Windows system("cls");
-			// Linux   system("clear");
-			// MacOS   system("clear");
-		}
-		else if(command=="rs")
-			prog.print_file(false);// false means print resource code without lib
-		else if(command=="exit")
-			break;
-		else if(command=="total")
-		{
-			prog.clear_lib_code();// clear lib code
-			prog.add_lib();       // reload lib code to avoid redefinition
-			prog.print_file(true);// true means print resource code with lib
-		}
-		else if(command=="lexer")
-		{
-			prog.clear_lib_code(); // avoid print lib code
-			lex.scanner(prog.get_resource());
-			lex.print_token_list();
-		}
-		else if(command=="del")
-		{
-			prog.set_clear();
-			lex.set_clear();
-			std::cout<<">>[Delete] Complete."<<std::endl;
-		}
-		else if(command=="parser")
-		{
-			prog.clear_lib_code(); // avoid print lib code
-			lex.scanner(prog.get_resource());
-			lex.generate_detail_token();
-			if(!lex.get_error())
-			{
-				pas.get_detail_token_stream(lex.get_detail_token());
-				pas.print_parse_stack();
-				pas.parse_main();
-			}
-			else
-			{
-				alert_sound();
-				std::cout<<">>[Lexer] error(s) found,stop."<<std::endl;
-			}
-		}
-		else if(command=="ast")
-		{
-			prog.clear_lib_code(); // avoid print lib code
-			lex.scanner(prog.get_resource());
-			lex.generate_detail_token();
-			if(!lex.get_error())
-			{
-				pas.get_detail_token_stream(lex.get_detail_token());
-				pas.parse_main();
-				if(!pas.get_error())
-					pas.print_generated_tree();
-				else
-				{
-					alert_sound();
-					std::cout<<">>[Parse] error(s) found,stop."<<std::endl;
-				}
-			}
-			else
-			{
-				alert_sound();
-				std::cout<<">>[Lexer] error(s) found,stop."<<std::endl;
-			}
-		}
-		else if(command=="run")
-		{
-			prog.add_lib(); // load lib code
-			lex.scanner(prog.get_resource());
-			lex.generate_detail_token();
-			if(!lex.get_error())
-			{
-				pas.get_detail_token_stream(lex.get_detail_token());
-				pas.parse_main();
-				if(!pas.get_error())
-					pas.run_tree();
-				else
-				{
-					alert_sound();
-					std::cout<<">>[Parse] error(s) found,stop."<<std::endl;
-				}
-			}
-			else
-			{
-				alert_sound();
-				std::cout<<">>[Lexer] error(s) found,stop."<<std::endl;
-			}
-		}
-		else if(command=="sound")
-			alert_sound();// check if the sound works
-		else
-			prog.input_file(command);
-	}
-	return 0;
-}