uni 组件自带方法怎么传自定义参数下去

html

<picker mode="selector" class="pickers" @change="PickerLittleChange($event, operatingState)"
								:value="indexs" range-key="dictLabel" :range="operatingState">
								<view class="picker">
									<input style="width: 80px;" type='text' disabled placeholder="请选择业态小类"
										v-model="selcetSatausId" />

								</view>
								</view>
							</picker>

js

PickerLittleChange(e, val) { //状态
				console.log(e, val);
				this.indexs = e.detail.value;
				console.log(this.indexs);
				this.selcetSatausId = this.operatingState[this.indexs].dictLabel;
				this.pageFootSelect();
			},