@MaoZedong 

It's the weekend for the staff that monitors the forums going to get you over to support so the engineers can take a look at this.

First please access the Deco web UI by entering "tplinkdeco.net" in your browser. Navigate to Advanced > System > System Log, select "ALL" in the log type, and save the file to your local computer. Then follow the steps below making sure to attach the logs to the email.

I recommend sending an email to forumsupport.usa@tp-link.com with the following information:

Subject: [Forum Escalation][ID 846042] Daily time allowance not tracking YouTube

Forum Nickname: [User Provided]

Thread URL: https://community.tp-link.com/us/home/forum/topic/846042

Model&Version: [User Provided]

Description: [User Provided]

Any Other Relevant Information (Logs, Config Files, Images, etc.): [User Provided]

 In the template above please fill in the areas that say [User Provided].  This will open a case with our engineering team, and they will work with you via email.