1.

First, we open the glory of the king and enter the glory of the king. Then, we click "Prepare for War" below to prepare for the war.

2.

After we click "Prepare for War", click "Quick Message" in the preparation interface to enter the setting interface of quick message.

3.

We click replace in the quick message interface, and we will replace the message.

4.

After we click Change Message, click the message on the left, select the unwanted message, and then click the cross to delete it.