[Modify]compile error, express module

@@ -11,6 +11,7 @@
         "@testing-library/jest-dom": "^5.16.4",
         "@testing-library/react": "^13.2.0",
         "@testing-library/user-event": "^13.5.0",
+        "express": "^4.18.1",
         "localforage": "^1.10.0",
         "puppeteer": "^14.1.1",
         "react": "^18.1.0",

@@ -6,6 +6,7 @@
     "@testing-library/jest-dom": "^5.16.4",
     "@testing-library/react": "^13.2.0",
     "@testing-library/user-event": "^13.5.0",
+    "express": "^4.18.1",
     "localforage": "^1.10.0",
     "puppeteer": "^14.1.1",
     "react": "^18.1.0",

+const puppeteer  = require("puppeteer");
 function login(id, pw) {
   const crawler = async() => {
       try{
@@ -14,6 +15,7 @@ function login(id, pw) {
               document.querySelector("#login_user_password").value = pw
               document.querySelector('#form1 > div > div.login_btn > a > span').click();
           })
+          await page.waitForTimeout(500);
 
       }catch(err){
           console.log(err)
@@ -28,5 +30,3 @@ function login(id, pw) {
 }
 
 export { login };
-
-

@@ -3,6 +3,7 @@ const puppeteer  = require("puppeteer");
 const crawler = async() => {
     try{
         const browser = await puppeteer.launch({headless: false, args:['--window-size=1920,1080']});
+        // for observing the process of login, headless -> false
         const page = await browser.newPage();
         await page.setViewport({
             width:1920,
@@ -10,8 +11,8 @@ const crawler = async() => {
         })
         await page.goto('https://e-campus.khu.ac.kr/xn-sso/login.php?auto_login=&sso_only=&cvs_lgn=&return_url=https%3A%2F%2Fe-campus.khu.ac.kr%2Fxn-sso%2Fgw-cb.php%3Ffrom%3D%26login_type%3Dstandalone%26return_url%3Dhttps%253A%252F%252Fe-campus.khu.ac.kr%252Flogin%252Fcallback');
         await page.evaluate(() => {
-            document.querySelector("#login_user_id").value = //자기 account id
-            document.querySelector("#login_user_password").value = //자기 pw
+            document.querySelector("#login_user_id").value = //자신의 E_Campus account id
+            document.querySelector("#login_user_password").value = // pw
             document.querySelector('#form1 > div > div.login_btn > a > span').click();
         })