First of all, when you open Battle.net, you can't choose the region to log in, but you can only log in to the national service. Open the patch software, click "Patch", then enter the Battle.net Logger, and select Asian Service/European Service/National Service/American Service to log in.

First, download and install the Battle.net Recorder for American Clothing or Taiwan Province Clothing. Enter the directory as shown in the figure: ~/Library/ApplicationSupport. Locate the Battle.net folder as shown in the figure, and then click Enter. Open Battle.net.config in notebook mode as shown in the figure, and find the login selection area, as shown in the figure.

Find: e: \ worldofwarcraft \ wtf in the root directory of World of Warcraft, then open the Config.wtf file with Notepad, and add the keyboard command to set "set portal" us "in the last line.

First, Baidu search Battle.net official website, and then click enter, as shown in the figure below. Then on the login page that opens, open the Netease Pass to log in, as shown in the figure below. Just fill in the password of Netease mailbox, or forget the password of Netease, and then return to the login interface, and select Unable to log in.