Prohibiting the use of e-commerce functions means: prohibiting the use of personal homepage windows, video e-commerce and live e-commerce functions. In other words, you are not an e-commerce user on Douyin, so you are prohibited from using e-commerce functions.

The three functions are opened in the order shown below (click the [App Portal] link at the bottom of the "E-commerce Assistant" message page, and click Apply if all three conditions are met).