function retryGet(url, retries, interval) {
  return new Promise(function (resolve, reject) {
    let attempt = 0;
    const makeRequest = () => {
      get(url)
        .then((response) => {
          resolve(response);
        })
        .catch((err) => {
          attempt++;
          if (attempt < retries) {
            setTimeout(makeRequest, interval);
          } else {
            reject(new Error("达到最大重试次数"));
          }
        });
    };
    makeRequest();
  });
}

function get(url) {
    return new Promise((resolve, reject) => {
        const success = Math.random() >= 0.5;
        if(success) {
            resolve( "Success" );
        } else {
            reject(new Error("Fail"))
        }
    });
}

retryGet("https://example.com/api/data",3,2000).then((response) => {
    console.log(response,'成功');
}).catch((error) =>{
    console.err(error.message)
})