购物车历史订单增加，代码优化

pageCreditBuyer/creditDetail.vue

@@ -62,7 +62,7 @@
 </template>
 <script setup>
 	import { onLoad, onShow, onReachBottom  } from '@dcloudio/uni-app';
-	import { reactive, ref, computed, getCurrentInstance } from 'vue';
+	import { reactive, ref, computed } from 'vue';
 	import go from '@/commons/utils/go.js';
 	import myRepayment from './components/my-repayment';
 	import datePickerview from './components/my-date-pickerview.vue'
@@ -107,9 +107,8 @@
 	let statusHeight = computed(() => {
 		return 30 * pageData.statusList.length + 40 + 'px'
 	})
-	const currentInstance = getCurrentInstance()
 	let repayment = ref(null)
-	
+	const datePicker = ref()
 	onLoad((options) => {
 		if ( options.id ) {
 			pageData.query.creditBuyerId = options.id;
@@ -187,7 +186,7 @@
 	function changeTime(e) {
 		pageData.selected = e
 		if (e == 'custom') {
-			currentInstance.ctx.$refs.datePicker.toggle()
+			datePicker.value.toggle()
 		} else {
 			pageData.query.page = 1;
 			pageData.list = [];