ne text-gray-400">
                      </div>
                      <input type="text" id="db_host" name="db_host" placeholder="数据库服务器" 
                             class="w-full pl-4 pr-3 py-2 border border-gray-300 rounded-lg form-focus transition-all-300" autocomplete="off" list="dbhost_list" />
                             <datalist id="dbhost_list">
                                 <option value="localhost">
                             </datalist>
                    </div>
            