When we add friends to WeChat, if we edit the content the previous time, we will use the same words when adding others. Let me take scanning code and adding friends as an example. The specific steps are as follows:

Wechat version is the latest 8.0.29.

1. For example, a friend sent us a QR code of a stranger and introduced it to us. We need to scan the code to add a friend's QR code. First, we open WeChat, click the "plus sign" in the upper right corner, and then select the function of "Sweep" (as shown below):

2. Then the scan code will appear on the other party's homepage, displaying "Scan from", and then click "Add to Address Book" (as shown below):

3. We can see that the content we sent last time is as follows, and we will not change it, but just continue to use it (as shown below):

4. It has been sent out, and the other party will receive our greetings (as shown below):