// 响应拦截器
instance.interceptors.response.use (
  response => {
    // 处理业务失败
    const data = response.data as ApiResponse
    if (data.code !== 10_000) {
      showFailToast (data.message || ' 业务失败 ')
      return Promise.reject (new Error (data.message || ' 业务失败 '))
    }
    // 摘取核心数据
    return response
  },
  (error: AxiosError) => {
    if (error.response?.status === 401) {
      // 401 未授权，清...