주문하기 누르면 사진과 같은 메세지가 뜨며

주문완료안내창이 뜨지않습니다, 사진 첨부합니다.

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

from pymongo import MongoClient
client = MongoClient('mongodb+srv://hoisohee:dladnrgus77@cluster0.yfexp.mongodb.net/Cluster0?retryWrites=true&w=majority')
db = client.dbsparta

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

@app.route("/mars", methods=["POST"])
def web_mars_post():
    name_receive = request.form['name_give']
    address_receive = request.form['address_give']
    size_receive = request.form['size_give']

    doc = {
        'name': name_receive,
        'address': address_receive,
        'size': size_receive
    }
    db.mars.insret_one(doc)

    return jsonify({'msg': '주문완료!'})

@app.route("/mars", methods=["GET"])
def web_mars_get():
    return jsonify({'msg': 'GET 연결 완료!'})

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