我正在丢失使用thymeleaf的输入

我在我的应用程序上做了一个更新控制器。我在卡的头上放了一个按钮来发送数据，并将用户重定向到更新页面，该页面正在工作。我正在接收数据库里的所有数据。
但是当我点击保存（atualizar）时，字段date的数据丢失了。拜托，有人能帮我吗？
html:（atualizar.html）

<!DOCTYPE html>

<html>

<head>
<meta charset="UTF-8" />
<link
    href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta3/dist/css/bootstrap.min.css"
    rel="stylesheet"
    integrity="sha384-eOJMYsd53ii+scO/bJGFsiCZc+5NDVN2yr8+0RDqr0Ql0h+rP48ckxlpbzKgwra6"
    crossorigin="anonymous">
</head>

<body>

    <div class="container">
            <div class="card mt-3 row">
                <form class="card-body" th:action="@{/manutencao/atualizar/{idManutencao}(idManutencao = ${manutencao.id})}" method="post">

                    <div th:object="${manutencao}">
                    <div class="form-body">
                        <div class="form-group">
                            <label for="frota">Frota</label>
                            <input th:field="*{frota}" id="frota" type="text" class="form-control" placeholder="frota"/>
                        </div>  
                        <div class="form-group mt-3">
                            <label for="id-tecnica">Identificação técncica</label>
                            <input th:field="*{idTecnica}" id="id-tecnica" type="text" class="form-control" placeholder="placa ou Id técnica"/>
                        </div>  
                        <!-- ######################################################### -->
                        <!-- HERE THE DATA IS BEING LOST THOSE FIELDS CONTAIN THE DATE -->
                        <div class="form-group mt-3">
                            <label for="inicio-manutencao">Inicio Manutenção</label>
                            <input th:value="*{inicioManutencao}" id="inicio-manutencao" type="datetime-local" class="form-control" />
                        </div>
                        <div class="form-group mt-3">
                            <label for="fim-manutencao">Fim Manutenção</label>
                            <input th:value="*{fimManutencao}" id="fim-manutencao" type="datetime-local" class="form-control" />
                        </div>
                        <!-- FINISH -->
                        <!-- ######################################################### -->
                                <div class="card mt-3">
                                <span class="card-header">Status Manutenção</span>
                                    <div class="row">
                                        <div class="card-body col-md-6">
                                            <div class="form-check mt-3">                                   
                                                <label class="form-check-label" for="fim-manutencao">Em Andamento</label>
                                                <input th:field="*{status}" id="fim-manutencao" value="EM_ANDAMENTO" type="radio" class="form-check-input" />
                                            </div>
                                        </div>
                                        <div class="card-body col-md-6">
                                            <div class="form-check mt-3">                                   
                                                <label class="form-check-label" for="fim-manutencao">Finalizado</label>
                                                <input th:field="*{status}" value="FINALIZADO"id="fim-manutencao" type="radio" class="form-check-input" />
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            <div class="mt-3">
                                <input type="submit" class="btn btn-primary" value="Atualizar"/>
                            </div>
                    </div>      

                    </div>
                </form>     
            </div>
    </div>

</body>

</html>

控制器：

package com.vitornilson.dfvix.controller;

import java.util.Optional;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;

import com.vitornilson.dfvix.dto.Dto;
import com.vitornilson.dfvix.model.Manutencao;
import com.vitornilson.dfvix.repository.ManutencaoRepository;

@Controller
@RequestMapping("manutencao")
public class CadastroController {

    @Autowired
    private ManutencaoRepository manutencaoRepository;

    @GetMapping("form")
    public String form(Dto dto) {

        return "manutencao/form";
    }

    @PostMapping("novo")
    public String novo(Dto dto) {       
        Manutencao manutencao = dto.toCadastro();       
        manutencaoRepository.save(manutencao);      
        return "redirect:/home";
    }

    @GetMapping("editar/{id}")
    public String editar(@PathVariable("id") long id, Model model) {        
        Manutencao manutencao = manutencaoRepository
                .findById(id).orElseThrow(()
                -> new IllegalArgumentException("Id " + id + " invalido"));     
        model.addAttribute("manutencao", manutencao);       
        return "manutencao/editar";     
    }

    @PostMapping("/atualizar/{id}")
    public String atualizar(@PathVariable("id") long id, Dto dto, BindingResult result, Model model) {

        if(result.hasErrors()) {
            return "redirect:/home";
        }

        Optional<Manutencao> optional = manutencaoRepository.findById(id);
        if(optional.isPresent()) {
            Manutencao manutencao = dto.toCadastro(optional.get());
            this.manutencaoRepository.save(manutencao);
            return "redirect:/home";
        }

        return "redirect:/home";
    }

}

dto：

package com.vitornilson.dfvix.dto;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;

import org.springframework.format.annotation.DateTimeFormat;

import com.vitornilson.dfvix.model.Manutencao;
import com.vitornilson.dfvix.model.StatusManutencao;

public class Dto {

    private Long Id;

    private String frota;
    private String idTecnica;

    @DateTimeFormat(pattern = "yyyy-MM-dd'T'HH:mm")
    private LocalDateTime inicioManutencao;

    @DateTimeFormat(pattern = "yyyy-MM-dd'T'HH:mm")
    private LocalDateTime fimManutencao;

    private StatusManutencao StatusManutencao;

    private long tempoParado;

    public Long getId() {
        return Id;
    }

    public long getTempoParado() {
        return tempoParado;
    }
    public void setTempoParado(LocalDateTime fimManutencao, LocalDateTime inicioManutencao) {

        ZonedDateTime tempoInicio = inicioManutencao.atZone(ZoneId.of("America/Sao_Paulo"));
        ZonedDateTime tempoFim = fimManutencao.atZone(ZoneId.of("America/Sao_Paulo"));      

        long inicioMillis = tempoInicio.toInstant().toEpochMilli();
        long fimMillis = tempoFim.toInstant().toEpochMilli();

        long tempoParado = fimMillis - inicioMillis;
        System.out.println(tempoParado);
        this.tempoParado = tempoParado;
    }

    public String getFrota() {
        return frota;
    }
    public StatusManutencao getStatusManutencao() {
        return StatusManutencao;
    }
    public void setStatusManutencao(StatusManutencao statusManutencao) {
        StatusManutencao = statusManutencao;
    }
    public void setFrota(String frota) {
        this.frota = frota;
    }
    public String getIdTecnica() {
        return idTecnica;
    }
    public void setIdTecnica(String idTecnica) {
        this.idTecnica = idTecnica;
    }
    public LocalDateTime getInicioManutencao() {
        return inicioManutencao;
    }
    public void setInicioManutencao(LocalDateTime inicioManutencao) {
        this.inicioManutencao = inicioManutencao;
    }
    public LocalDateTime getFimManutencao() {
        return fimManutencao;
    }
    public void setFimManutencao(LocalDateTime fimManutencao) {
        this.fimManutencao = fimManutencao;
    }

    public Manutencao toCadastro() {

        Manutencao manutencao = new Manutencao();
        manutencao.setFrota(this.frota);
        manutencao.setIdTecnica(this.idTecnica);
        manutencao.setInicioManutencao(this.inicioManutencao);
        manutencao.setFimManutencao(this.fimManutencao);
        manutencao.setStatus(this.StatusManutencao);
        manutencao.setTempoParado(this.fimManutencao, this.inicioManutencao);
        return manutencao;
    }

    public Manutencao toCadastro(Manutencao manutencao) {
        manutencao.setFrota (this.frota);
        manutencao.setIdTecnica(this.idTecnica);
        manutencao.setInicioManutencao(this.inicioManutencao);
        manutencao.setFimManutencao(this.fimManutencao);
        return manutencao;
    }

}

我正在丢失使用thymeleaf的输入

暂无答案！

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