diff --git a/api/afterSale.js b/api/afterSale.js
index a1440aca..0259ea76 100644
--- a/api/afterSale.js
+++ b/api/afterSale.js
@@ -6,4 +6,5 @@ export const apiArr = {
   isAllow: "/api/v2/wechat/commodity/after-sales/is-allow", //判断订单是否能申请售后
   revokeApply: "/api/v2/wechat/commodity/after-sales/revoke-apply", //撤销售后申请
   changeGoodsList: "/api/v2/wechat/commodity/after-sales/change-goods-list", //商品售后换货商品列表
+  updateApply: "/api/v2/wechat/commodity/after-sales/update-apply", //商品订单售后修改申请
 };
diff --git a/packages/myOrders/afterSale/index.vue b/packages/myOrders/afterSale/index.vue
index 7b62a43c..6beddabd 100644
--- a/packages/myOrders/afterSale/index.vue
+++ b/packages/myOrders/afterSale/index.vue
@@ -42,7 +42,7 @@
 
                 <!-- 操作按钮 -->
                 <view class="action-buttons">
-                    <button class="modify-btn" @click="modifyApplication">修改申请</button>
+                    <button class="modify-btn" @click="modifyApplication(item)">修改申请</button>
                     <button class="cancel-btn" @click="cancelApplication(item)">撤销申请</button>
                 </view>
             </view>
@@ -121,8 +121,8 @@ export default {
             const seconds = String(date.getSeconds()).padStart(2, '0');
             return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
         },
-        modifyApplication() {
-            console.log('修改申请');
+        modifyApplication(item) {
+            NavgateTo(`../apply/index?item=${JSON.stringify(item)}`);
         },
         cancelApplication(item) {
             uni.showModal({
diff --git a/packages/myOrders/apply/index.vue b/packages/myOrders/apply/index.vue
index de39391b..5302697d 100644
--- a/packages/myOrders/apply/index.vue
+++ b/packages/myOrders/apply/index.vue
@@ -72,7 +72,7 @@
                         退货退款</view>
                     <view :class="['asTab2', selectedAfterSaleType2 === 1 ? 'active' : '']"
                         @click="selectAfterSaleType2(1)">
-                        退货
+                        退款
                     </view>
                 </view>
                 <view class="reason-list" v-if="selectedAfterSaleType2 === 0">
@@ -103,14 +103,15 @@ import {
     upload,
     NavgateTo
 } from '../../../utils';
+import { apiArr } from "../../../api/afterSale";
+
 
 export default {
     data() {
         return {
             currentAfterSale: null,
             afterSalePopup2: false,
-            afterSalePopup3: false,
-            selectedAfterSaleType2: 0, // 0:退货/退款, 1:退货
+            selectedAfterSaleType2: 0, // 0:退货/退款, 1:退款
             selectedAsReason: 0,
             selectedServiceType: '',
             selectedRefundReason: '',
@@ -119,9 +120,10 @@ export default {
             postage: 0,
             refundDescription: '',
             refundMethod: '自行寄回',
-            merchantAddress: '衡水市路北街道中心北大街世纪名城41号楼',
-            merchantContact: '高尚 18032753127',
+            merchantAddress: '',
+            merchantContact: '',
             imgList: [],
+            afterSalesType: 2,
             applyRefundReasons: [
                 '商品质量问题',
                 '商品与描述不符',
@@ -143,8 +145,10 @@ export default {
         this.currentAfterSale = item;
         // 设置初始退款金额等数据
         if (item) {
-            this.refundAmount = item.sales_price || 0;
+            this.refundAmount = item.refund_amount || 0;
             this.maxRefundAmount = item.sales_price || 0;
+            this.merchantAddress = item.supplier_address || '未设置';
+            this.merchantContact = `${item.supplier_name} ${item.supplier_phone}` || '未设置';
         }
     },
     methods: {
@@ -153,12 +157,13 @@ export default {
             this.afterSalePopup2 = false;
         },
 
-        closeAfterSalePopup3() {
-            this.afterSalePopup3 = false;
-        },
-
         // 选择售后类型
         selectAfterSaleType2(index) {
+            if (index == 0) {
+                this.afterSalesType = 2;
+            } else {
+                this.afterSalesType = 1;
+            }
             this.selectedAfterSaleType2 = index;
         },
 
@@ -169,7 +174,7 @@ export default {
 
         // 确认退款原因选择
         confirmAfterSaleCancel2() {
-            const afterSaleTypes = ['退货退款', '退货'];
+            const afterSaleTypes = ['退货退款', '退款'];
             const selectedType = afterSaleTypes[this.selectedAfterSaleType2];
             console.log('选中的售后类型:', selectedType);
 
@@ -191,7 +196,6 @@ export default {
 
         // 打开选择服务类型或退款原因弹窗
         openAfterSalePopup2(type) {
-            this.afterSalePopup3 = false;
             this.afterSalePopup2 = true;
         },
 
@@ -213,16 +217,14 @@ export default {
         // 修改退款金额
         modifyRefundAmount() {
             console.log('修改退款金额');
-            // 这里可以添加修改退款金额的逻辑
         },
 
         // 查看地址详情
         viewAddressDetails() {
             console.log('查看地址详情');
-            // 这里可以添加查看地址详情的逻辑
         },
 
-        // 提交退款申请
+        // 提交修改申请
         submitRefundApplication() {
             if (!this.selectedServiceType || !this.selectedRefundReason) {
                 uni.showToast({
@@ -232,26 +234,38 @@ export default {
                 return;
             }
 
-            // 输出弹窗中的所有内容
-            const refundInfo = {
-                serviceType: this.selectedServiceType,
-                refundReason: this.selectedRefundReason,
-                refundAmount: this.refundAmount,
-                maxRefundAmount: this.maxRefundAmount,
-                postage: this.postage,
-                refundDescription: this.refundDescription,
-                refundMethod: this.refundMethod,
-                merchantAddress: this.merchantAddress,
-                merchantContact: this.merchantContact,
-                imgList: this.imgList
-            };
-            console.log('提交退款申请:', refundInfo);
+            const params = {
+                id: this.currentAfterSale.id,
+                after_sales_type: this.afterSalesType,
+                after_sales_reason: this.selectedRefundReason,
+                refund_amount: this.refundAmount,
+                application_description: this.refundDescription,
+                application_images: this.imgList && this.imgList.length > 0 ?
+                    this.imgList.map(img => img.url).join(',') : '',
+                receiving_address: this.merchantAddress
+            }
+            console.log("🚀 ~ submitRefundApplication ~ params:", params)
+            request(apiArr.updateApply, "POST", params).then((res) => {
+                uni.showToast({
+                    title: '申请提交成功',
+                    icon: 'success'
+                });
 
-            this.afterSalePopup3 = false;
-            // 这里可以添加提交后的处理逻辑
-            uni.showToast({
-                title: '退款申请提交成功',
-                icon: 'success'
+                // 构造更新后的数据
+                const updatedAfterSale = {
+                    ...this.currentAfterSale,
+                    after_sales_type: this.afterSalesType,
+                    after_sales_reason: this.selectedRefundReason,
+                    refund_amount: this.refundAmount,
+                    application_description: this.refundDescription,
+                    application_images: this.imgList && this.imgList.length > 0 ?
+                        this.imgList.map(img => img.url).join(',') : ''
+                };
+
+                setTimeout(() => {
+                    this.currentAfterSale = updatedAfterSale;
+                    uni.setStorageSync('afterSaleItem', updatedAfterSale);
+                }, 1500);
             });
         }
     }
diff --git a/packages/myOrders/index/index.vue b/packages/myOrders/index/index.vue
index 11746670..41900ee1 100644
--- a/packages/myOrders/index/index.vue
+++ b/packages/myOrders/index/index.vue
@@ -365,6 +365,7 @@ export default {
   },
   onShow() {
     this.getOrderList();
+    uni.removeStorageSync('afterSaleItem')
   },
 };
 </script>
diff --git a/packages/myOrders/pending/index.vue b/packages/myOrders/pending/index.vue
index 54980ef4..7d5b9286 100644
--- a/packages/myOrders/pending/index.vue
+++ b/packages/myOrders/pending/index.vue
@@ -117,7 +117,6 @@
 </template>
 
 <script>
-
 import { apiArr } from "../../../api/afterSale";
 import {
     isPhone,
@@ -139,11 +138,24 @@ export default {
         // 初始化日期选择器默认值为当前申请时间
         this.pickerDefaultDate = new Date(this.currentAfterSale.create_time);
     },
+    onShow() {
+        const storageAfterSale = uni.getStorageSync('afterSaleItem');
+        if (storageAfterSale) {
+            this.currentAfterSale = storageAfterSale;
+            uni.removeStorageSync('afterSaleItem');
+        }
+    },
     onLoad(options) {
         const item = JSON.parse(options?.item);
         console.log("🚀 ~ onLoad ~ item:", item)
         this.currentAfterSale = item;
     },
+    // 添加onBackPress生命周期钩子，处理左上角返回按钮点击事件
+    onBackPress() {
+        // 确保使用uni.navigateBack()返回上一页，触发index页面的onShow生命周期
+        uni.navigateBack();
+        return true; // 阻止默认返回行为
+    },
     methods: {
         getServiceTypeText(type) {
             return type === 1 ? '退款' : (type === 2 ? '退货退款' : '换货');
@@ -194,7 +206,6 @@ export default {
                                 title: '订单撤销成功',
                                 icon: 'success'
                             });
-                            this.$emit('revokeApplySuccess');
                         });
                     }
                 },