화면처럼 2번째의 모르는 사람을 도와주기만 완료 버튼을 눌러도 완료선이 뜨지 않네요.. 단어 체크도 해보고, 다른 분들 질문 주신거랑 비교해봤는데도 뭐가 문제인지 모르겠어요..

app.py

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

from pymongo import MongoClient
import certifi
ca = certifi.where()

client = MongoClient('mongodb+srv://test:sparta@cluster0.offinop.mongodb.net/Cluster0?retryWrites=true&w=majority', tlsCAFile = ca)
db = client.dbsparta

@app.route('/')
def home():
   return render_template('index.html')

@app.route("/bucket", methods=["POST"])
def bucket_post():
    bucket_receive = request.form['bucket_give']

    bucket_list = list(db.bucket.find({}, {'_id': False}))
    count = len(bucket_list) + 1

    doc = {
        'num':count,
        'bucket':bucket_receive,
        'done':0
    }
    db.bucket.insert_one(doc)

    return jsonify({'msg': '등록 완료!'})

@app.route("/bucket/done", methods=["POST"])
def bucket_done():
    num_receive = request.form['num_give']
    db.bucket.update_one({'num': int(num_receive)}, {'$set': {'done': 1}})
    # 숫자를 클라이언트에서 받아왔으면 숫자로 써줘야 하므로 int() 사용
    return jsonify({'msg': '버킷 완료!'})

@app.route("/bucket", methods=["GET"])
def bucket_get():
    bucket_list = list(db.bucket.find({}, {'_id': False}))

    return jsonify({'buckets': bucket_list})

if __name__ == '__main__':
   app.run('0.0.0.0', port=5000, debug=True)

index.html

<script>
    $(document).ready(function () {
        show_bucket();
    });
    function show_bucket(){
        $.ajax({
            type: "GET",
            url: "/bucket",
            data: {},
            success: function (response) {
                let rows = response['buckets']
                for(let i = 0; i < rows.length; i++){
                    let bucket = rows[i]['bucket']
                    let num = rows[i]['num']
                    let done = rows[i]['done']

                    let temp_html = ``
                    if(done == 0){
                        temp_html = `<li>
                                        <h2>✅ ${bucket}</h2>
                                        <button onclick="done_bucket(${num})" type="button" class="btn btn-outline-primary">완료!</button>
                                    </li>`
                    } else {
                        temp_html = `<li>
                                        <h2 class="done">✅ ${bucket}</h2>
                                    </li>`
                    }

                    $('#bucket-list').append(temp_html)
                }
                // console.log(response['buckets'])
            }
        });
    }
    function save_bucket(){
        let bucket = $('#bucket').val()

        $.ajax({
            type: "POST",
            url: "/bucket",
            data: {bucket_give:bucket},
            success: function (response) {
                alert(response["msg"])
                window.location.reload()
            }
        });
    }
    function done_bucket(num){
        $.ajax({
            type: "POST",
            url: "/bucket/done",
            data: {num_give:num},
            success: function (response) {
                alert(response["msg"])
                window.location.reload()
            }
        });
    }
</script>