how to use packet sniffer , simpliciTI example code AP as Data HUB

Dear all,

I have the device  CC2530 + SmartRF05eb to run the example  "AP as Data Hub" 

the workspace have 4 type can download to device

AND I  download three device

"CC2530-Access Point" =>smpl_config.dat => the DTHIS_DEVICE_ADDRESS = "{0x78,0x56,0x34,0x12}"

"CC2530-End Device" =>smpl_config.dat =>change  the DTHIS_DEVICE_ADDRESS = "{0x79,0x56,0x34,0x12}

 "CC2530-Channel Sniffer" 

(1)=>smpl_config.dat=>change the DTHIS_DEVICE_ADDRESS = "{0x80,0x56,0x34,0x12}"

(2)=>smpl_nwk_config.dat=>SET The DFREQUENCY_AGILITY

I want to use the software "Packet Sniffer" to see the packet from AP to ED

Here is what I practice

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the channel sniffer  device linked to the PC USB host and RUN THE software  "Packet Sniffer" 

AND access Point device communicated to End Device.

but the Packet Sniffer didn't have any packet

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please Help me find where wrong

thanks alot