      :placeholder="`请输入 ${param} 的值`"
                                   class="flex-1 px-3 py-2 border border-gray-300 rounded-md text-sm focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent">
                            <button @click="clearParameter(param)"
                                    class="px-2 py-1 text-xs text-gray-500 hover:text-red-600">
                                <i class="fas fa-times"></i>
                            </button>
                     