How to two-way communicate between MAVProxy in WIN 7 and SITL in ubuntu 14.04 of a same computer?

I have built SITL simulation in my ubuntu ,which successfully running “ --console --map” ,please see following figure 1.The question is there is no reaction in my MAVProxy in WIN 7 (see following figure 2 ).The ubuntn and MAVProxy working in a same computer. I don’t know what should i do?