Common.js

 fetch('https://xytxyiyan.zeabur.app')
   .then(response => response.json())
   .then(data => {
     const hitokoto = document.querySelector('#hitokoto_text')
     hitokoto.innerText = "『" + data.hitokoto + "』";
     const from = document.querySelector('#hitokoto_from')
     const fromWho = data.from_who ?? ;
     const separator = fromWho ? " " : "";
     from.innerText = fromWho 
       ? `—— ${fromWho}「${data.from}」`
       : `—— 「${data.from}」`;