Update getBJ function parameter

 const axios = require("axios");
 const cheerio = require("cheerio");
-let userid_test = "syw5141";
-const getHtml = async (userid) => {
-  try {
-    return await axios.get("https://www.acmicpc.net/user/" + userid);
-  } catch (error) {
-    console.log(error);
-  }
-};
-
-getHtml(userid_test).then((html) => {
-  let psList = [];
-  const $ = cheerio.load(html.data);
-  const $bodyList = $("div.panel-body").children();
 
-  $bodyList.each(function (i) {
-    if (i % 2 == 0) {
-      psList[i / 2] = {
-        problem_number: $(this).children().text(),
-        problem_title: $(this).next().children().text(),
-      };
+exports.getBJ = function (userid) {
+  const getHtml = async (userid) => {
+    try {
+      return await axios.get("https://www.acmicpc.net/user/" + userid);
+    } catch (error) {
+      console.log(error);
     }
-  });
+  };
 
-  console.log(psList);
-  return psList;
-});
+  getHtml(userid).then((html) => {
+    let psList = [];
+    const $ = cheerio.load(html.data);
+    const $bodyList = $("div.panel-body").children();
 
-//body > div.wrapper > div.container.content > div.row > div:nth-child(2) > div:nth-child(3) > div.col-md-9 > div:nth-child(1) > div.panel-body
+    $bodyList.each(function (i) {
+      if (i % 2 == 0) {
+        psList[i / 2] = {
+          problem_number: $(this).children().text(),
+          problem_title: $(this).next().children().text(),
+        };
+      }
+    });
+
+    console.log(psList);
+    return psList;
+  });
+};