No Congestion Control Status after enable active congestions

[km400a]

my system information is below
Gargoyle Version:1.5.10
Model:TP-Link TL-WR740N/ND v4

I had enable active congestion control in below figure , but no Congestion control Status is showed.
what's going on? how can I get the status?
Note: I had save changes still no status showed.

active_congestion.JPG (28.92 KiB) Viewed 4298 times

[pbix]

What browser and OS are you using and try a different browser.

[km400a]

I forgot what OS and browser I used.
but it is ok right now, I used XP and chrome.
Thanks

[LudwigX]

Have you setup QOS for the upload direction?