Pinduoduo's advertisements always appear on the desktop of mobile phones. How to delete them?

System: Funtouch OS_ 10.5

Software Version: Pinduoduo 6.4.0 Take Pinduoduo 6.4.0 as an example. Pinduoduo's advertisement always appears on the desktop of the mobile phone, and you can enter the notice of setting the closing permission. It is divided into three steps, and the specific steps are as follows: 1 Enter to set the application and permissions.

2 Enter the Application Management Pinduoduo! -2 Step 2 Enter the application management Pinduoduo-> Click Application Management, and then click Pinduoduo Options.

3 notice of entry, notice of closing permission