爬自己阿里云账号中的所有工单记录，再进行分析。

aliyun-workorder-crawler.js

function getQuestionListUrl(index) {
  return 'https://workorder.console.aliyun.com/json/page/query_index.json?__preventCache=' + (new Date()).getTime() + '&currentPage=' + index + '&page=' + index + '&pageSize=100&status=';
}

function getQuestions() {
  let questions = [];
  for (let p = 1; p <= 4; p++) {
    let url = getQuestionListUrl(p);
    $.ajax({
      url,
      success: (result) => {
        questions = questions.concat(result.data);
      },
      xhrFields: {
        withCredentials: true
      },
      crossDomain: true,
      contentType: "application/json",
      async: false
    });
  }
  return questions;
}

function getDetailUrl(questionId) {
  return 'https://workorder.console.aliyun.com/json/page/detail.json?__preventCache=' + (new Date()).getTime() + '&questionId=' + questionId;
}

function getAdminNotes() {
  let questions = getQuestions();
  let notes = [];
  questions.forEach((question) => {
    let url = getDetailUrl(question.vid);
    $.ajax({
      url,
      success: (result) => {
        notes = notes.concat(result.data.questionNoteList.filter((comment) => comment.admin));
      },
      xhrFields: {
        withCredentials: true
      },
      crossDomain: true,
      contentType: "application/json",
      async: false
    });
  });
  return notes;
}

function filterProblem() {
  let notes = getAdminNotes();
  return notes.filter((note) => (/bug|紧急|修复|上线/i).test(note.content));
}