FileWriter fstream = new FileWriter("G:\\Jun\\apache-jmeter-5.1.1\\bin\\DMM_Card\\123.csv",true);
BufferedWriter out = new BufferedWriter(fstream);
out.write(vars.get("debug_code")+"\t"+vars.get("debug_uid")+"\t"+vars.get("debug_stage_id")+"\t"+vars.get("username")+"\n"+"\n");
out.close();
fstream.close();
