fix(订单状态): 修正退款状态显示为"已申请退款"

修复订单详情页物流信息显示逻辑
调整商品金额计算格式

pages-car/components/buy-order-item.vue

@@ -4,7 +4,7 @@
         <view class="order-header">
             <text class="order-no">订单号：{{ order.orderId }}</text>
 
-            <text class="order-status refund-status" v-if="order.refundStatus == 3">已退款</text>
+            <text class="order-status refund-status" v-if="order.refundStatus == 3">已申请退款</text>
             <text class="order-status" v-else>{{ getStatusText(order) }}</text>
         </view>
 

pages-car/pages/order-detail.vue

@@ -52,7 +52,7 @@
             </view>
             <view class="express-content">
                 <view class="express-name">{{ orderInfo.expressName || '快递' }}({{ orderInfo.waybillCode }})</view>
-                <view class="express-trace">{{ latestTrace ? (latestTrace.context || latestTrace.status) : '点击查看物流详情' }}
+                <view class="express-trace">{{ orderInfo.description || '点击查看物流详情' }}
                 </view>
             </view>
             <u-icon name="arrow-right" color="#999" size="28"></u-icon>
@@ -91,7 +91,7 @@
                 <view class="row">
                     <text>商品金额</text>
                     <text class="goods-total">¥{{ (orderInfo.totalMoney - (orderInfo.expressMoney || 0)).toFixed(2)
-                        }}</text>
+                    }}</text>
                 </view>
                 <template v-if="orderInfo.discountList && orderInfo.discountList.length > 0">
                     <view class="row" v-for="(discount, index) in orderInfo.discountList" :key="'discount_' + index">