This might work better

structures/Command.js

@@ -2,10 +2,8 @@ const { Command } = require('discord.js-commando');
 
 class XiaoCommand extends Command {
 	constructor(client) {
-		super(client, {
-			argsPromptLimit: 1,
-			argsSingleQuotes: false
-		});
+		this.argsPromptLimit = 1;
+		this.argsSingleQuotes = false;
 	}
 }