我使用了npm包react-modal（https://www.npmjs.com/package/react-modal），我想提交一个驻留在modal中的表单。
由于某种原因，当点击'Abschicken'，什么也没有发生。handleSubmit函数从来没有触发，因为我没有看到任何控制台日志。
我错过了什么？

import { useState, useRef } from "react";
import Modal from "react-modal";
import LogoHori from "../../../public/images/logo_hori.png";
import Image from "next/image";
const customStyles = {
  content: {
    top: "50%",
    left: "50%",
    right: "auto",
    bottom: "auto",
    marginRight: "-50%",
    transform: "translate(-50%, -50%)",
    position: "absolute",
  },
  overlay: { zIndex: 1000 },
};

Modal.setAppElement("#__next");

// Make sure to bind modal to your appElement (https://reactcommunity.org/react-modal/accessibility/)

const ContactModal = ({ buttonStyles }) => {
  const [modalIsOpen, setIsOpen] = useState(false);
  const [isValidEmail, setIsValidEmail] = useState(true);
  const [successfulSubmission, setSuccessfulSubmission] = useState("");
  const lastNameInputElement = useRef();
  const firstNameInputElement = useRef();
  const emailInputElement = useRef();
  const messageInputElement = useRef();

  const validate = (email) => {
    const expression =
      /(?!.*\.{2})^([a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+(\.[a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+)*|"((([\t]*\r\n)?[\t]+)?([\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*(([\t]*\r\n)?[\t]+)?")@(([a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|[a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF][a-z\d\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]*[a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])\.)+([a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|[a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF][a-z\d\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]*[a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])\.?$/i;

    return expression.test(String(email).toLowerCase());
  };

  function openModal() {
    setIsOpen(true);
  }

  function afterOpenModal() {
    // references are now sync'd and can be accessed.
  }

  function closeModal() {
    setIsOpen(false);
  }

  const handleSubmit = async (event) => {
    console.log("clicked");
    event.preventDefault();
    const data = {
      lastName: lastNameInputElement.current?.value,
      firstName: firstNameInputElement.current?.value,
      email: emailInputElement.current?.value,
      message: messageInputElement.current?.value,
    };

    if (!validate(data.email)) {
      setIsValidEmail(false);
      return;
    }
    setIsValidEmail(true);
    console.log(data);
    const requestOptions = {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        Accept: "application/json",
      },
      body: JSON.stringify(data),
    };

    try {
      const result = await fetch(
        "https://someEndpoint",
        requestOptions
      );
      if (result.status == 200) {
        setSuccessfulSubmission(true);
        setTimeout(closeModal, 5000);
      } else {
        throw new Error();
      }
    } catch {
      console.log(error);
      setSuccessfulSubmission(false);
    }
  };

  return (
    <div>
      <button className={buttonStyles} onClick={openModal}>
        Anfrage
      </button>
      <Modal
        isOpen={modalIsOpen}
        onAfterOpen={afterOpenModal}
        onRequestClose={closeModal}
        style={customStyles}
        contentLabel="Nido Surf"
      >
        <div className="w-[300px] md:w-[600px]">
          <Image src={LogoHori} alt="nido-surf-logo" width={300} />
          <form action="Post" onSubmit={handleSubmit} className="mt-5 flex flex-col justify-between">
            <label htmlFor="name" className="font-bold mb-2">
              Nachname
            </label>
            <input
              ref={lastNameInputElement}
              className="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 focus:outline-none focus:shadow-outline"
              id="name"
              type="text"
              placeholder="Nachname"
            />

            <label htmlFor="firstname" className="font-bold my-2">
              Vorname
            </label>
            <input
              ref={firstNameInputElement}
              className="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 focus:outline-none focus:shadow-outline"
              id="firstname"
              type="text"
              placeholder="Vorname"
            />
            <label htmlFor="email" className="font-bold my-2">
              Email-Adresse
            </label>
            <input
              ref={emailInputElement}
              className="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 focus:outline-none focus:shadow-outline"
              id="email"
              type="text"
              placeholder="Email-Adresse"
            />
            {!isValidEmail && (
              <p className="text-secondary-red-200">
                Deine Email-Adresse ist ungültig!
              </p>
            )}
            <label htmlFor="message" className="font-bold my-2">
              Nachricht
            </label>
            <textarea
              ref={messageInputElement}
              className="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 focus:outline-none focus:shadow-outline"
              name="message"
              id="message"
              cols="30"
              rows="10"
            ></textarea>
          </form>
          <div className="mt-5 flex gap-x-4 justify-center items-center">
            <button
              type="submit"
              className="w-full text-white rounded-md py-4 hover:bg-secondary-green-300 bg-secondary-green-400"
            >
              Senden
            </button>
            <button
              className="w-full text-white rounded-md py-4 hover:bg-secondary-red-100 bg-secondary-red-300"
              onClick={closeModal}
            >
              Abbrechen
            </button>
          </div>
        </div>
      </Modal>
    </div>
  );
};

export default ContactModal;