er Center</a></h1>
<p>After implementing the core functional modules, it is also necessary to
develop a scheduling module and a user center module according to the
functional requirements. Usually, these two modules are essential for a
complete smartphone app. This section will describe the development of
these two modules.</p>

                    </main>

                    <nav class="nav-wrapper" aria-label="Page navigation">
                        <!-- Mobile navigation buttons -->
                  