function loadConfig() {
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve({
        title: "现代 JS 面板",
        level: "进阶",
      });
    }, 800);
  });
}

// 任务：
// 1. 写一个 async 函数
// 2. 用 await 等待 loadConfig()
// 3. 用 try...catch 处理流程
async function load() {
  const status = document.getElementById("status")
  status.textContent = "加载中"
  try {
    const a = await loadConfig()
    status.textContent = "加载成功"
    const output = document.getElementById("output")
    output.textContent = JSON.stringify(a)
  } catch (error) {
    status.textContent = "加载失败"
  }
}
load()