First we install Passwall2 through OpenWrt.

You can find Software in system and then update the list.

Then search for the Passwall2 keyword and install it.

After your installation is complete, enter Passwall2 and find Node Subscribe in the menu

Click the green add button below.

Enter any distinguishing name in the Subscribe Remark, such as UDPN.

Enter the URL from the product details in the customer area in Subscribe URL.

The most important step is to select [Passwall2/OpenWrt] in User-Agent

Then save and update it.

Now that you have the node list, open Passwall2's main page, select the node and start running, it's that simple.