HD3SS214: Auxiliary does not work

Dear all,

I designed and fabricated a PCB board named 1.4 Display Port 2x2 Switcher using Switch HD3SS214 and Re-Driver TDP142 ICs. When I tested my PCB board, I found out my monitor only detected fullHD signal  from source, but the monitor can not detect 8K Signal. I configured my board as the instruction in both IC's datasheets. The AUX is routed following the HighSpeed Signal routing. The configuration of AUX Signal is as the image below:

I want to know that whether I make mistakes with the configuration above or if the configuration is correct, are mistakes in my PCB LAYOUT?

I am looking forward to hearing from you.

Thanks and Best Regards,

Buu VO