The specific operation is as follows:
1. Open the memo, create new text, and then click the line break until it reaches the desired length (if you want to add text later). Just add a little more. If you think it's ok, just select them all and copy them.
2. Paste it in the personalized signature you just copied, and you can add a few words to the right. If you need to get the longest length, then go back and continue to wrap it in the memo and test it many times until the number is zero. This is the best effect.