DCA1000EVM: DCA1000 and IWR1642 cant not show data in radarstudio postprocessing window

I have set all the parameters as the guide like the following picture.But when I click DCA 1000 ARM button ,and then click Trigger Frame button ,the window will splash,and when I click PostProc button,the window will show the data,but it can not updata as time going as the last picture shown.what should i do?thanks.