fix：修复bug

components/OrderItemCard.vue

@@ -98,7 +98,7 @@
 	import { computed } from 'vue';
 	import { useI18n } from '@/utils/i18n.js'
 	
-	const { t: $t } = useI18n()
+	const { t } = useI18n()
 
 	const props = defineProps({
 		order: { type: Object, required: true },
@@ -144,7 +144,7 @@
 	const isFinished = computed(() => normalizedStatus.value === 'used_done');
 	const isCancelled = computed(() => normalizedStatus.value === 'order_cancelled');
 
-	const titleText = computed(() => $t('order.rentFan'));
+	const titleText = computed(() => t('order.rentFan'));
 
 	// 显示金额（优先后端给定字段）
 	const displayAmount = computed(() => props.order.amount || props.order.payAmount || props.order.actualDeviceAmount || props.order.currentFee || '0.00');
@@ -158,8 +158,8 @@
 		const minutes = Math.floor(diffMs / 60000);
 		const hours = Math.floor(minutes / 60);
 		const mins = minutes % 60;
-		if (hours > 0) return `${hours}${$t('time.hour')}${mins}${$t('time.minute')}`;
-		return `${mins}${$t('time.minute')}`;
+		if (hours > 0) return `${hours}${t('time.hour')}${mins}${t('time.minute')}`;
+		return `${mins}${t('time.minute')}`;
 	});
 
 	function parseDate(str) {