refactor(订单管理): 替换showToast为Taro.showToast并统一错误提示样式

将NutUI的showToast调用替换为Taro原生的showToast
统一错误提示使用error图标，成功提示使用success图标

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-07-03 17:29:31
+ * @LastEditTime: 2025-07-03 17:41:46
  * @FilePath: /jgdl/src/pages/myOrders/index.vue
  * @Description: 订单管理页面
 -->
@@ -271,7 +271,6 @@
 
 <script setup>
 import { ref, computed, onMounted } from 'vue'
-import { showToast } from '@nutui/nutui-taro'
 import Taro from '@tarojs/taro'
 // import { deleteOrderAPI, submitReviewAPI } from '@/api/orders' // 预留真实API调用
 import './index.less'
@@ -805,9 +804,10 @@ const closeRatePopup = () => {
  */
 const submitRate = async () => {
   if (!rateContent.value.trim()) {
-    showToast({
+    Taro.showToast({
       title: '请输入评价内容',
-      type: 'fail'
+      icon: 'error',
+      duration: 2000
     })
     return
   }
@@ -833,10 +833,7 @@ const submitRate = async () => {
     //     }
     //     order.status = 'completed'
     //   }
-    //   showToast({
-    //     title: response.message || '评价提交成功',
-    //     type: 'success'
-    //   })
+    //   Toast.success(response.message || '评价提交成功')
     //   closeRatePopup()
     // } else {
     //   throw new Error(response.message || '提交失败')
@@ -857,18 +854,20 @@ const submitRate = async () => {
       order.status = 'completed'
     }
 
-    showToast({
+    Taro.showToast({
       title: '评价提交成功',
-      type: 'success'
+      icon: 'success',
+      duration: 2000
     })
 
     closeRatePopup()
 
   } catch (error) {
     // console.error('提交评价失败:', error)
-    showToast({
+    Taro.showToast({
       title: error.message || '提交失败，请重试',
-      type: 'fail'
+      icon: 'error',
+      duration: 2000
     })
   } finally {
     submittingRate.value = false
@@ -918,11 +917,7 @@ const performDeleteOrder = async (orderId) => {
     //   if (orderIndex !== -1) {
     //     orders.value.splice(orderIndex, 1)
     //   }
-    //   Taro.showToast({
-    //     title: response.message || '订单删除成功',
-    //     icon: 'success',
-    //     duration: 2000
-    //   })
+    //   Toast.success(response.message || '订单删除成功')
     // } else {
     //   throw new Error(response.message || '删除失败')
     // }
@@ -951,7 +946,7 @@ const performDeleteOrder = async (orderId) => {
 
     Taro.showToast({
       title: error.message || '删除失败，请重试',
-      icon: 'none',
+      icon: 'error',
       duration: 2000
     })
   } finally {