diff --git a/admin/src/views/ChatRecords.vue b/admin/src/views/ChatRecords.vue
index dd8691a..0a54546 100644
--- a/admin/src/views/ChatRecords.vue
+++ b/admin/src/views/ChatRecords.vue
@@ -148,9 +148,15 @@ async function viewChat(row) {
   chatMessages.value = []
 
   try {
-    const res = await request.get('/admin/chat-messages', {
-      params: { ownerUserId: row.ownerId, runnerUserId: row.runnerId }
-    })
+    const params = {}
+    // 优先用群ID（群聊模式）
+    if (row.imGroupId) {
+      params.groupId = row.imGroupId
+    } else {
+      // 兼容旧数据
+      params.groupId = `order_${row.id}`
+    }
+    const res = await request.get('/admin/chat-messages', { params })
     chatMessages.value = parseIMMessages(res, row)
   } catch (e) {
     console.error('拉取聊天记录失败:', e)
@@ -160,7 +166,8 @@ async function viewChat(row) {
 }
 
 function parseIMMessages(imResponse, orderInfo) {
-  const msgList = imResponse.MsgList || imResponse.msgList || []
+  // 群消息格式：RspMsgList
+  const msgList = imResponse.RspMsgList || imResponse.rspMsgList || imResponse.MsgList || imResponse.msgList || []
   if (!msgList.length) return []
 
   const ownerImId = `user_${orderInfo.ownerId}`
diff --git a/miniapp/pages.json b/miniapp/pages.json
index c8e8cb9..0c12137 100644
--- a/miniapp/pages.json
+++ b/miniapp/pages.json
@@ -153,6 +153,13 @@
 				"navigationStyle": "custom"
 			}
 		},
+		{
+			"path": "pages/mine/profile",
+			"style": {
+				"navigationBarTitleText": "编辑资料",
+				"navigationStyle": "custom"
+			}
+		},
 		{
 			"path": "pages/runner/certification",
 			"style": {
diff --git a/miniapp/pages/food/food-order-detail.vue b/miniapp/pages/food/food-order-detail.vue
index 557d9fd..b6691ea 100644
--- a/miniapp/pages/food/food-order-detail.vue
+++ b/miniapp/pages/food/food-order-detail.vue
@@ -379,6 +379,10 @@ export default {
 	border: none;
 }
 
+.accept-btn::after {
+	border: none;
+}
+
 /* 弹窗样式（复用） */
 .modal-mask {
 	position: fixed;
diff --git a/miniapp/pages/message/chat.vue b/miniapp/pages/message/chat.vue
index f83b383..338ce23 100644
--- a/miniapp/pages/message/chat.vue
+++ b/miniapp/pages/message/chat.vue
@@ -203,7 +203,6 @@
 <script>
 	import {
 		getOrderDetail,
-		getOrderByChatUser,
 		createPriceChange,
 		respondPriceChange as respondPriceChangeApi
 	} from '../../utils/api'
@@ -212,7 +211,6 @@
 	} from '../../stores/user'
 	import {
 		initIM,
-		logoutIM,
 		onNewMessage,
 		offNewMessage,
 		getMessageList,
@@ -234,7 +232,7 @@
 				scrollTop: 0,
 				showMorePanel: false,
 				imUserId: '',
-				targetImUserId: '',
+				imGroupId: null,
 				imReady: false,
 				nextReqMessageID: '',
 				historyCompleted: false,
@@ -316,38 +314,26 @@
 						userId
 					} = await initIM()
 					this.imUserId = userId
-					if (this.targetImUserIdFromParam) {
-						this.targetImUserId = this.targetImUserIdFromParam
-					} else if (this.orderInfo.id) {
-						const userStore = useUserStore()
-						this.targetImUserId = this.orderInfo.ownerId === userStore.userId ?
-							`user_${this.orderInfo.runnerId}` : `user_${this.orderInfo.ownerId}`
+
+					// 从订单信息获取群组ID
+					if (this.orderInfo.imGroupId) {
+						this.imGroupId = this.orderInfo.imGroupId
+					} else if (this.orderId) {
+						// 兼容旧订单：群ID格式为 order_{orderId}
+						this.imGroupId = `order_${this.orderId}`
 					}
+
 					this.imReady = true
-					// 如果没有 orderId 但有对方用户ID，查找关联订单
-					if (!this.orderId && this.targetImUserId) {
-						try {
-							const targetUid = this.targetImUserId.replace('user_', '')
-							const res = await getOrderByChatUser(targetUid)
-							if (res && res.found && res.orderId) {
-								this.orderId = res.orderId
-								await this.loadOrderInfo()
-							}
-						} catch (e) {
-							console.error('[聊天] 查找关联订单失败:', e)
-						}
-					}
+
 					onNewMessage((msgList) => {
 						for (const msg of msgList) {
-							if (msg.from === this.targetImUserId || msg.from === this.imUserId) {
+							// 只处理当前群的消息
+							if (msg.conversationID === `GROUP${this.imGroupId}`) {
 								const formatted = formatIMMessage(msg, this.imUserId)
-								// 按订单ID过滤
-								if (this.orderId && formatted.orderId && String(formatted.orderId) !== String(this.orderId)) continue
 								// 收到改价响应消息，更新对应改价卡片状态
 								if (formatted.type === 'price-change-response') {
 									const card = this.chatMessages.find(m => m.type === 'price-change' && m.priceChangeId === formatted.priceChangeId)
 									if (card) card.status = formatted.status
-									// 显示为系统提示
 									this.chatMessages.push({
 										id: formatted.id,
 										type: 'system',
@@ -359,13 +345,11 @@
 								}
 							}
 						}
-						this.scrollToBottom()
-						// 收到新消息时标记已读
-						if (this.targetImUserId) setMessageRead(this.targetImUserId)
+						if (this.imGroupId) setMessageRead(this.imGroupId)
 					})
+
 					await this.loadHistory()
-					// 标记会话已读
-					if (this.targetImUserId) setMessageRead(this.targetImUserId)
+					if (this.imGroupId) setMessageRead(this.imGroupId)
 				} catch (e) {
 					console.error('[IM] 初始化失败:', e)
 					uni.showToast({
@@ -374,21 +358,17 @@
 					})
 				}
 			},
-			async loadHistory() {
-				if (!this.imReady || !this.targetImUserId) return
+			async loadHistory(scrollToEnd = true) {
+				if (!this.imReady || !this.imGroupId) return
 				this.loadingHistory = true
 				try {
-					const res = await getMessageList(this.targetImUserId, this.nextReqMessageID)
+					const res = await getMessageList(this.imGroupId, this.nextReqMessageID)
 					const allFormatted = res.messageList.map(m => formatIMMessage(m, this.imUserId))
-					// 按订单ID过滤：只显示当前订单的消息，或没有orderId的旧消息
-					const filtered = this.orderId
-						? allFormatted.filter(m => !m.orderId || String(m.orderId) === String(this.orderId))
-						: allFormatted
-					// 处理历史消息中的改价响应，更新对应改价卡片状态
+					// 处理历史消息中的改价响应
 					const formatted = []
-					for (const m of filtered) {
+					for (const m of allFormatted) {
 						if (m.type === 'price-change-response') {
-							const card = filtered.find(c => c.type === 'price-change' && c.priceChangeId === m.priceChangeId)
+							const card = allFormatted.find(c => c.type === 'price-change' && c.priceChangeId === m.priceChangeId)
 							if (card) card.status = m.status
 							formatted.push({ id: m.id, type: 'system', content: `${m.isSelf ? '您' : '对方'}${m.action === 'Accepted' ? '同意' : '拒绝'}了${m.changeTypeLabel}改价` })
 						} else {
@@ -398,7 +378,7 @@
 					this.chatMessages = [...formatted, ...this.chatMessages]
 					this.nextReqMessageID = res.nextReqMessageID
 					this.historyCompleted = res.isCompleted
-					this.scrollToBottom()
+					if (scrollToEnd) this.scrollToBottom()
 				} catch (e) {
 					console.error('[IM] 拉取历史消息失败:', e)
 				} finally {
@@ -407,7 +387,7 @@
 			},
 			async loadMoreHistory() {
 				if (this.historyCompleted || this.loadingHistory) return
-				await this.loadHistory()
+				await this.loadHistory(false)
 			},
 			async sendMessage() {
 				if (!this.inputText.trim()) return
@@ -421,7 +401,7 @@
 				const text = this.inputText
 				this.inputText = ''
 				try {
-					const msg = await sendTextMessage(this.targetImUserId, text, this.orderId)
+					const msg = await sendTextMessage(this.imGroupId, text)
 					this.chatMessages.push(formatIMMessage(msg, this.imUserId))
 					this.scrollToBottom()
 				} catch (e) {
@@ -454,7 +434,7 @@
 					sourceType: ['album', 'camera'],
 					success: async (res) => {
 						try {
-							const msg = await sendImageMessage(this.targetImUserId, res, this.orderId)
+							const msg = await sendImageMessage(this.imGroupId, res)
 							this.chatMessages.push(formatIMMessage(msg, this.imUserId))
 							this.scrollToBottom()
 						} catch (e) {
@@ -523,7 +503,7 @@
 					this.showPriceChangePopup = false
 					const changeTypeLabel = this.priceChangeType === 'Commission' ? '跑腿佣金' : '商品总额'
 					if (this.imReady) {
-						await sendCustomMessage(this.targetImUserId, {
+						await sendCustomMessage(this.imGroupId, {
 							bizType: 'price-change',
 							priceChangeId: res.id,
 							changeTypeLabel,
@@ -532,7 +512,7 @@
 							difference: res.difference,
 							status: res.status,
 							description: `发起了${changeTypeLabel}改价申请`
-						}, this.orderId)
+						})
 					}
 					this.chatMessages.push({
 						id: `pc_${res.id}`,
@@ -559,6 +539,11 @@
 			},
 			async respondPriceChange(priceChangeId, action) {
 				try {
+					console.log('[聊天] 响应改价:', this.orderId, priceChangeId, action)
+					if (!this.orderId) {
+						uni.showToast({ title: '订单信息未加载', icon: 'none' })
+						return
+					}
 					const res = await respondPriceChangeApi(this.orderId, priceChangeId, {
 						action
 					})
@@ -570,18 +555,18 @@
 
 					// 通过 IM 通知对方改价结果（对方收到后显示为系统提示）
 					if (this.imReady) {
-						// 发给对方
-						await sendCustomMessage(this.targetImUserId, {
+						// 发送到群
+						await sendCustomMessage(this.imGroupId, {
 							bizType: 'price-change-response',
 							priceChangeId: priceChangeId,
 							action: action,
 							status: res.status,
 							changeTypeLabel,
 							description: `${actionLabel}了${changeTypeLabel}改价申请`
-						}, this.orderId)
-						// 发一条文本消息记录操作（双方都能看到，持久化）
+						})
+						// 发一条文本消息记录操作（群内可见，持久化）
 						try {
-							const imMsg = await sendTextMessage(this.targetImUserId, `[系统提示] 单主已${actionLabel}${changeTypeLabel}改价`, this.orderId)
+							const imMsg = await sendTextMessage(this.imGroupId, `[系统提示] 单主已${actionLabel}${changeTypeLabel}改价`)
 							this.chatMessages.push(formatIMMessage(imMsg, this.imUserId))
 						} catch (ex) {}
 					} else {
@@ -597,10 +582,10 @@
 						if (res.paymentParams) {
 							try {
 								await this.wxPay(res.paymentParams)
-								// 补缴成功，通过IM通知双方
-								if (this.imReady && this.targetImUserId) {
+								// 补缴成功，通过IM通知群内
+								if (this.imReady && this.imGroupId) {
 									try {
-										const imMsg = await sendTextMessage(this.targetImUserId, '[系统提示] 单主已完成补缴支付', this.orderId)
+										const imMsg = await sendTextMessage(this.imGroupId, '[系统提示] 单主已完成补缴支付')
 										this.chatMessages.push(formatIMMessage(imMsg, this.imUserId))
 									} catch (ex) {}
 								}
@@ -619,13 +604,13 @@
 							const refundText = res.refundSuccess
 								? `改价退款¥${Math.abs(res.difference).toFixed(2)}已原路返回`
 								: '退款处理中，请稍后查看'
-							// 通过IM发送（持久化，双方可见）
-							if (this.imReady && this.targetImUserId) {
+							// 通过IM发送（持久化，群内可见）
+							if (this.imReady && this.imGroupId) {
 								try {
-									await sendCustomMessage(this.targetImUserId, {
+									await sendCustomMessage(this.imGroupId, {
 										bizType: 'order-status',
 										description: refundText
-									}, this.orderId)
+									})
 								} catch (ex) {}
 							}
 							this.chatMessages.push({ id: `sys_r_${Date.now()}`, type: 'system', content: refundText })
@@ -665,26 +650,18 @@
 				const msg = statusMessages[key]
 				if (!msg) return
 
-				// 避免重复：检查最后一条系统消息是否相同
-				const lastMsg = [...this.chatMessages].reverse().find(m => m.type === 'system')
-				if (lastMsg && lastMsg.content === msg) return
+				// 避免重复：检查聊天消息中是否已有相同内容
+				const isDuplicate = this.chatMessages.some(m =>
+					(m.type === 'system' && m.content === msg) ||
+					(m.type === 'text' && m.content && m.content.includes(msg))
+				)
+				if (isDuplicate) return
 
-				// 通过 IM 发送状态变化消息（持久化，双方可见）
-				if (this.imReady && this.targetImUserId) {
-					try {
-						await sendCustomMessage(this.targetImUserId, {
-							bizType: 'order-status',
-							action: key,
-							description: msg
-						}, this.orderId)
-					} catch (e) {}
-				}
 				this.chatMessages.push({
 					id: `sys_status_${Date.now()}`,
 					type: 'system',
 					content: msg
 				})
-				this.scrollToBottom()
 			},
 			onCompleteOrder() {
 				this.showMorePanel = false
@@ -753,9 +730,9 @@
 					await this.wxPay(this.pendingPayment)
 					uni.showToast({ title: '补缴成功', icon: 'success' })
 					// 发送补缴成功的提示消息
-					if (this.imReady && this.targetImUserId) {
+					if (this.imReady && this.imGroupId) {
 						try {
-							const imMsg = await sendTextMessage(this.targetImUserId, '[系统提示] 单主已完成补缴支付', this.orderId)
+							const imMsg = await sendTextMessage(this.imGroupId, '[系统提示] 单主已完成补缴支付')
 							this.chatMessages.push(formatIMMessage(imMsg, this.imUserId))
 							this.scrollToBottom()
 						} catch (ex) {}
diff --git a/miniapp/pages/message/message.vue b/miniapp/pages/message/message.vue
index 2cca73b..0020786 100644
--- a/miniapp/pages/message/message.vue
+++ b/miniapp/pages/message/message.vue
@@ -47,26 +47,37 @@
 		<!-- 聊天记录用户列表 -->
 		<view class="section-title" v-if="chatList.length > 0">聊天记录</view>
 		<view
-			class="chat-item"
+			class="chat-item-wrap"
 			v-for="item in chatList"
 			:key="item.orderId"
-			@click="goChat(item)"
 		>
-			<view class="avatar-wrap">
-				<image class="chat-avatar" :src="item.targetAvatar || '/static/logo.png'" mode="aspectFill"></image>
-				<view v-if="item.imUnread > 0" class="unread-badge">
-					<text>{{ item.imUnread > 99 ? '99+' : item.imUnread }}</text>
+			<view
+				class="chat-item"
+				:style="{ transform: `translateX(${item.slideX || 0}px)` }"
+				@touchstart="onTouchStart($event, item)"
+				@touchmove="onTouchMove($event, item)"
+				@touchend="onTouchEnd(item)"
+				@click="goChat(item)"
+			>
+				<view class="avatar-wrap">
+					<image class="chat-avatar" :src="item.targetAvatar || '/static/logo.png'" mode="aspectFill"></image>
+					<view v-if="item.imUnread > 0" class="unread-badge">
+						<text>{{ item.imUnread > 99 ? '99+' : item.imUnread }}</text>
+					</view>
+				</view>
+				<view class="chat-info">
+					<view class="chat-top">
+						<text class="chat-name">{{ displayNickname(item) }}</text>
+						<text class="chat-time">{{ formatTime(item.lastTime) }}</text>
+					</view>
+					<text class="chat-msg">{{ getOrderLabel(item) }}</text>
+				</view>
+				<view class="chat-tag" :class="'tag-' + item.status">
+					<text>{{ getStatusLabel(item.status) }}</text>
 				</view>
 			</view>
-			<view class="chat-info">
-				<view class="chat-top">
-					<text class="chat-name">{{ displayNickname(item) }}</text>
-					<text class="chat-time">{{ formatTime(item.lastTime) }}</text>
-				</view>
-				<text class="chat-msg">{{ getOrderLabel(item) }}</text>
-			</view>
-			<view class="chat-tag" :class="'tag-' + item.status">
-				<text>{{ getStatusLabel(item.status) }}</text>
+			<view class="delete-btn" @click="onDeleteChat(item)">
+				<text>删除</text>
 			</view>
 		</view>
 
@@ -124,16 +135,16 @@ export default {
 			try {
 				const list = await getChatOrderList()
 				this.chatList = (list || []).map(item => ({ ...item, imUnread: 0 }))
-				// 从 IM 获取未读数
+				// 从 IM 获取群会话未读数
 				try {
 					await initIM()
 					const convList = await getConversationList()
 					const unreadMap = {}
-					convList.forEach(c => { unreadMap[c.targetUserId] = c.unreadCount || 0 })
+					convList.forEach(c => { unreadMap[c.groupId] = c.unreadCount || 0 })
 					let totalImUnread = 0
 					this.chatList.forEach(item => {
-						const imUserId = `user_${item.targetUserId}`
-						item.imUnread = unreadMap[imUserId] || 0
+						const groupId = item.imGroupId || `order_${item.orderId}`
+						item.imUnread = unreadMap[groupId] || 0
 						totalImUnread += item.imUnread
 					})
 					// 更新 tabBar badge（系统未读 + IM未读）
@@ -202,7 +213,7 @@ export default {
 		/** 格式化时间显示 */
 		formatTime(dateStr) {
 			if (!dateStr) return ''
-			const date = new Date(dateStr)
+			const date = new Date(typeof dateStr === 'string' && !dateStr.endsWith('Z') ? dateStr + 'Z' : dateStr)
 			const now = new Date()
 			const isToday = date.toDateString() === now.toDateString()
 			const pad = (n) => String(n).padStart(2, '0')
@@ -210,6 +221,39 @@ export default {
 				return `${pad(date.getHours())}:${pad(date.getMinutes())}`
 			}
 			return `${pad(date.getMonth() + 1)}-${pad(date.getDate())}`
+		},
+
+		/** 触摸开始 */
+		onTouchStart(e, item) {
+			item._startX = e.touches[0].clientX
+			item._startY = e.touches[0].clientY
+			item._moving = false
+		},
+		/** 触摸移动 */
+		onTouchMove(e, item) {
+			const dx = e.touches[0].clientX - item._startX
+			const dy = e.touches[0].clientY - item._startY
+			// 水平滑动才处理
+			if (Math.abs(dx) < Math.abs(dy)) return
+			item._moving = true
+			// 限制滑动范围
+			const x = Math.max(-70, Math.min(0, dx + (item._prevX || 0)))
+			item.slideX = x
+		},
+		/** 触摸结束 */
+		onTouchEnd(item) {
+			// 超过一半就展开，否则收回
+			if (item.slideX < -35) {
+				item.slideX = -70
+				item._prevX = -70
+			} else {
+				item.slideX = 0
+				item._prevX = 0
+			}
+		},
+		/** 删除聊天记录 */
+		onDeleteChat(item) {
+			this.chatList = this.chatList.filter(c => c.orderId !== item.orderId)
 		}
 	}
 }
@@ -328,13 +372,40 @@ export default {
 	margin: 30rpx 0 16rpx;
 }
 
+.chat-item-wrap {
+	position: relative;
+	overflow: hidden;
+	margin-bottom: 16rpx;
+	border-radius: 16rpx;
+}
+
 .chat-item {
 	display: flex;
 	align-items: center;
 	background-color: #ffffff;
 	border-radius: 16rpx;
 	padding: 24rpx 30rpx;
-	margin-bottom: 16rpx;
+	transition: transform 0.2s;
+	position: relative;
+	z-index: 1;
+}
+
+.delete-btn {
+	position: absolute;
+	right: 0;
+	top: 0;
+	bottom: 0;
+	width: 70px;
+	background: #ff4d4f;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	border-radius: 0 16rpx 16rpx 0;
+}
+
+.delete-btn text {
+	color: #fff;
+	font-size: 28rpx;
 }
 
 .chat-avatar {
diff --git a/miniapp/pages/mine/earnings.vue b/miniapp/pages/mine/earnings.vue
index c61a062..e0478b1 100644
--- a/miniapp/pages/mine/earnings.vue
+++ b/miniapp/pages/mine/earnings.vue
@@ -86,28 +86,8 @@
 					/>
 				</view>
 
-				<view class="form-item">
-					<text class="form-label">收款方式</text>
-					<view class="payment-options">
-						<view
-							class="payment-option"
-							:class="{ active: withdrawForm.paymentMethod === 'WeChat' }"
-							@click="withdrawForm.paymentMethod = 'WeChat'"
-						><text>微信</text></view>
-						<view
-							class="payment-option"
-							:class="{ active: withdrawForm.paymentMethod === 'Alipay' }"
-							@click="withdrawForm.paymentMethod = 'Alipay'"
-						><text>支付宝</text></view>
-					</view>
-				</view>
-
-				<view class="form-item">
-					<text class="form-label">收款二维码</text>
-					<view class="upload-area" @click="chooseQrImage">
-						<image v-if="withdrawForm.qrImage" class="qr-preview" :src="withdrawForm.qrImage" mode="aspectFit"></image>
-						<text v-else class="upload-placeholder">点击上传</text>
-					</view>
+				<view class="withdraw-tip">
+					<text>提现将自动转入您的微信零钱</text>
 				</view>
 
 				<view class="modal-actions">
@@ -260,24 +240,12 @@ export default {
 				return
 			}
 
-			if (!this.withdrawForm.qrImage) {
-				uni.showToast({ title: '请上传收款二维码', icon: 'none' })
-				return
-			}
-
 			this.withdrawSubmitting = true
 			try {
-				// 上传二维码图片
-				let qrCodeImage = this.withdrawForm.qrImageUrl
-				if (this.withdrawForm.qrImage && !qrCodeImage) {
-					const uploadRes = await uploadFile(this.withdrawForm.qrImage)
-					qrCodeImage = uploadRes.url
-				}
-
 				await applyWithdraw({
 					amount,
-					paymentMethod: this.withdrawForm.paymentMethod,
-					qrCodeImage
+					paymentMethod: 'WeChat',
+					qrCodeImage: ''
 				})
 
 				uni.showToast({ title: '提现申请已提交', icon: 'success' })
@@ -570,6 +538,16 @@ export default {
 	font-size: 28rpx;
 }
 
+.withdraw-tip {
+	text-align: center;
+	padding: 16rpx 0;
+}
+
+.withdraw-tip text {
+	font-size: 24rpx;
+	color: #999;
+}
+
 .payment-options {
 	display: flex;
 	gap: 20rpx;
diff --git a/miniapp/pages/mine/mine.vue b/miniapp/pages/mine/mine.vue
index 03dc65d..535c9d9 100644
--- a/miniapp/pages/mine/mine.vue
+++ b/miniapp/pages/mine/mine.vue
@@ -147,6 +147,8 @@ export default {
 		onUserClick() {
 			if (!this.isLoggedIn) {
 				uni.navigateTo({ url: '/pages/login/login' })
+			} else {
+				uni.navigateTo({ url: '/pages/mine/profile' })
 			}
 		},
 		goMyOrders(status) {
diff --git a/miniapp/pages/mine/profile.vue b/miniapp/pages/mine/profile.vue
new file mode 100644
index 0000000..55ad7bf
--- /dev/null
+++ b/miniapp/pages/mine/profile.vue
@@ -0,0 +1,164 @@
+<template>
+	<view class="profile-page">
+		<!-- 自定义导航栏 -->
+		<view class="custom-navbar" :style="{ paddingTop: statusBarHeight + 'px' }">
+			<view class="navbar-content">
+				<view class="nav-back" @click="goBack">
+					<image class="back-icon" src="/static/ic_back.png" mode="aspectFit"></image>
+				</view>
+				<text class="navbar-title">编辑资料</text>
+				<view class="nav-placeholder"></view>
+			</view>
+		</view>
+		<view :style="{ height: (statusBarHeight + 44) + 'px' }"></view>
+
+		<!-- 头像 -->
+		<view class="profile-section">
+			<view class="profile-item">
+				<text class="item-label">头像</text>
+				<view class="item-right">
+					<button class="avatar-btn" open-type="chooseAvatar" @chooseavatar="onChooseAvatar">
+						<image class="avatar-preview" :src="form.avatarUrl || '/static/logo.png'" mode="aspectFill"></image>
+						<image class="arrow-icon" src="/static/ic_arrow.png" mode="aspectFit"></image>
+					</button>
+				</view>
+			</view>
+			<view class="profile-item">
+				<text class="item-label">昵称</text>
+				<view class="item-right">
+					<input class="nickname-input" type="nickname" v-model="form.nickname" placeholder="请输入昵称" maxlength="20" @blur="onNicknameBlur" />
+				</view>
+			</view>
+		</view>
+
+		<!-- 保存按钮 -->
+		<view class="save-section">
+			<button class="save-btn" @click="onSave" :loading="saving" :disabled="saving">保存</button>
+		</view>
+	</view>
+</template>
+
+<script>
+import { updateProfile } from '../../utils/api'
+import { uploadFile } from '../../utils/request'
+import { useUserStore } from '../../stores/user'
+
+export default {
+	data() {
+		return {
+			statusBarHeight: 0,
+			form: {
+				nickname: '',
+				avatarUrl: ''
+			},
+			saving: false
+		}
+	},
+	onLoad() {
+		const sysInfo = uni.getSystemInfoSync()
+		this.statusBarHeight = sysInfo.statusBarHeight || 0
+		const userStore = useUserStore()
+		this.form.nickname = userStore.userInfo.nickname || ''
+		this.form.avatarUrl = userStore.userInfo.avatarUrl || ''
+	},
+	methods: {
+		goBack() { uni.navigateBack() },
+
+		/** 微信选择头像回调 */
+		async onChooseAvatar(e) {
+			const tempUrl = e.detail.avatarUrl
+			if (!tempUrl) return
+			try {
+				uni.showLoading({ title: '上传中...' })
+				const uploadRes = await uploadFile(tempUrl)
+				this.form.avatarUrl = uploadRes.url
+				uni.hideLoading()
+			} catch (err) {
+				uni.hideLoading()
+				// 上传失败，先用临时路径显示
+				this.form.avatarUrl = tempUrl
+			}
+		},
+
+		/** 昵称输入框失焦（微信昵称选择后触发） */
+		onNicknameBlur(e) {
+			if (e.detail.value) {
+				this.form.nickname = e.detail.value
+			}
+		},
+
+		/** 保存 */
+		async onSave() {
+			if (!this.form.nickname.trim()) {
+				uni.showToast({ title: '请输入昵称', icon: 'none' })
+				return
+			}
+			this.saving = true
+			try {
+				const res = await updateProfile({
+					nickname: this.form.nickname.trim(),
+					avatarUrl: this.form.avatarUrl
+				})
+				// 更新本地用户信息
+				const userStore = useUserStore()
+				const info = { ...userStore.userInfo, nickname: res.nickname, avatarUrl: res.avatarUrl }
+				userStore.setLoginInfo(userStore.token, info)
+				uni.showToast({ title: '保存成功', icon: 'success' })
+				setTimeout(() => { uni.navigateBack() }, 1000)
+			} catch (e) {
+				// 错误已在 request 中处理
+			} finally {
+				this.saving = false
+			}
+		}
+	}
+}
+</script>
+
+<style scoped>
+.profile-page {
+	min-height: 100vh;
+	background-color: #f5f5f5;
+}
+.custom-navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 999; background: #FFB700; }
+.navbar-content { height: 44px; display: flex; align-items: center; justify-content: space-between; padding: 0 20rpx; }
+.nav-back { width: 60rpx; height: 60rpx; display: flex; align-items: center; justify-content: center; }
+.back-icon { width: 40rpx; height: 40rpx; }
+.navbar-title { font-size: 34rpx; font-weight: bold; color: #363636; }
+.nav-placeholder { width: 60rpx; }
+
+.profile-section {
+	margin: 20rpx 24rpx;
+	background: #fff;
+	border-radius: 16rpx;
+	overflow: hidden;
+}
+.profile-item {
+	display: flex;
+	align-items: center;
+	justify-content: space-between;
+	padding: 30rpx;
+	border-bottom: 1rpx solid #f5f5f5;
+}
+.profile-item:last-child { border-bottom: none; }
+.item-label { font-size: 30rpx; color: #333; flex-shrink: 0; }
+.item-right { display: flex; align-items: center; flex: 1; justify-content: flex-end; }
+.avatar-preview { width: 100rpx; height: 100rpx; border-radius: 50%; margin-right: 16rpx; }
+.avatar-btn {
+	display: flex; align-items: center; background: none; border: none;
+	padding: 0; margin: 0; line-height: normal;
+}
+.avatar-btn::after { border: none; }
+.arrow-icon { width: 28rpx; height: 28rpx; }
+.nickname-input { text-align: right; font-size: 30rpx; color: #333; flex: 1; }
+.wx-tip { font-size: 24rpx; color: #999; margin-right: 12rpx; }
+
+.save-section { padding: 40rpx 24rpx; }
+.save-btn {
+	width: 100%; height: 88rpx; line-height: 88rpx;
+	background: #FAD146; color: #fff; font-size: 32rpx;
+	font-weight: bold; border-radius: 44rpx; border: none;
+}
+.save-btn::after { border: none; }
+.save-btn[disabled] { opacity: 0.6; }
+</style>
diff --git a/miniapp/pages/order-hall/order-hall.vue b/miniapp/pages/order-hall/order-hall.vue
index 2e10eed..a0166e1 100644
--- a/miniapp/pages/order-hall/order-hall.vue
+++ b/miniapp/pages/order-hall/order-hall.vue
@@ -60,7 +60,7 @@
 						<text class="card-item-name">门店数量：{{ order.shopCount || 0 }}个</text>
 						<view class="card-commission">
 							<text class="commission-label">跑腿费：</text>
-							<text class="commission-value">{{ order.commission }}元</text>
+							<text class="commission-value">{{ formatMoney(order.commission) }}元</text>
 						</view>
 					</view>
 					<!-- 美食数量 -->
@@ -92,7 +92,7 @@
 						<text class="card-item-name">{{ getItemTitle(order) }}</text>
 						<view class="card-commission">
 							<text class="commission-label">跑腿费：</text>
-							<text class="commission-value">{{ order.commission }}元</text>
+							<text class="commission-value">{{ formatMoney(order.commission) }}元</text>
 						</view>
 					</view>
 
@@ -293,7 +293,11 @@
 			getHelpTotalAmount(order) {
 				const commission = parseFloat(order.commission) || 0
 				const goodsAmount = parseFloat(order.goodsAmount) || 0
-				return (commission + goodsAmount).toFixed(1)
+				return (commission + goodsAmount).toFixed(2)
+			},
+			/** 格式化金额为2位小数 */
+			formatMoney(val) {
+				return (parseFloat(val) || 0).toFixed(2)
 			},
 			/** 获取卡片标题 */
 			getItemTitle(order) {
diff --git a/miniapp/pages/order/complete-order.vue b/miniapp/pages/order/complete-order.vue
index 1dd3a1b..4db5a6e 100644
--- a/miniapp/pages/order/complete-order.vue
+++ b/miniapp/pages/order/complete-order.vue
@@ -169,12 +169,12 @@ export default {
 				// 通过 IM 通知单主
 				try {
 					await initIM()
-					const targetImUserId = `user_${this.orderInfo.ownerId}`
-					await sendCustomMessage(targetImUserId, {
+					const groupId = this.orderInfo.imGroupId || `order_${this.orderId}`
+					await sendCustomMessage(groupId, {
 						bizType: 'order-status',
 						action: 'InProgress→WaitConfirm',
 						description: '跑腿已提交完成，请在订单详情中确认'
-					}, this.orderId)
+					})
 				} catch (ex) {}
 
 				uni.showToast({ title: '已提交完成', icon: 'success' })
diff --git a/miniapp/pages/order/order-detail.vue b/miniapp/pages/order/order-detail.vue
index a0b65a0..a735768 100644
--- a/miniapp/pages/order/order-detail.vue
+++ b/miniapp/pages/order/order-detail.vue
@@ -235,6 +235,7 @@
 <script>
 import { getOrderDetail, cancelOrder, submitReview, confirmOrder, rejectOrder } from '../../utils/api'
 import { useUserStore } from '../../stores/user'
+import { initIM, sendCustomMessage } from '../../utils/im'
 
 export default {
 	data() {
@@ -378,10 +379,17 @@ export default {
 					try {
 						await confirmOrder(this.orderId)
 						uni.showToast({ title: '订单已完成', icon: 'success' })
+						// 通知跑腿
+						try {
+							await initIM()
+							const groupId = this.order.imGroupId || `order_${this.orderId}`
+							await sendCustomMessage(groupId, {
+								bizType: 'order-status',
+								description: '订单已完成'
+							})
+						} catch (ex) {}
 						this.loadDetail()
-					} catch (e) {
-						// 错误已在 request 中处理
-					}
+					} catch (e) {}
 				}
 			})
 		},
@@ -396,10 +404,17 @@ export default {
 					try {
 						await rejectOrder(this.orderId)
 						uni.showToast({ title: '已拒绝，订单继续进行', icon: 'none' })
+						// 通知跑腿
+						try {
+							await initIM()
+							const groupId2 = this.order.imGroupId || `order_${this.orderId}`
+							await sendCustomMessage(groupId2, {
+								bizType: 'order-status',
+								description: '单主已拒绝完成，订单继续进行'
+							})
+						} catch (ex) {}
 						this.loadDetail()
-					} catch (e) {
-						// 错误已在 request 中处理
-					}
+					} catch (e) {}
 				}
 			})
 		},
diff --git a/miniapp/utils/api.js b/miniapp/utils/api.js
index 9fabded..34a8a08 100644
--- a/miniapp/utils/api.js
+++ b/miniapp/utils/api.js
@@ -22,6 +22,11 @@ export function wxLogin(data) {
 	return request({ url: '/api/auth/wx-login', method: 'POST', data })
 }
 
+/** 更新用户信息 */
+export function updateProfile(data) {
+	return request({ url: '/api/user/profile', method: 'PUT', data })
+}
+
 // ==================== Banner ====================
 
 /** 获取已启用的 Banner 列表 */
diff --git a/miniapp/utils/im.js b/miniapp/utils/im.js
index 439d5c4..d53317e 100644
--- a/miniapp/utils/im.js
+++ b/miniapp/utils/im.js
@@ -1,6 +1,6 @@
 /**
- * 腾讯 IM SDK 封装
- * 负责初始化、登录、收发消息
+ * 腾讯 IM SDK 封装（群聊模式）
+ * 每个订单一个群，消息按订单隔离
  */
 import TencentCloudChat from '@tencentcloud/chat'
 import TIMUploadPlugin from 'tim-upload-plugin'
@@ -10,131 +10,72 @@ let chat = null
 let isReady = false
 let onMessageCallback = null
 
-/**
- * 获取 IM 实例（单例）
- */
+/** 获取 IM 实例 */
 export function getChatInstance() {
 	return chat
 }
 
-/**
- * 初始化并登录 IM
- * @returns {Promise<{sdkAppId, userId}>}
- */
+/** 初始化并登录 IM */
 export async function initIM() {
-	// 从后端获取 UserSig
 	const res = await request({ url: '/api/im/usersig' })
 	const { sdkAppId, userId, userSig } = res
 
-	// 创建 SDK 实例
 	if (!chat) {
 		chat = TencentCloudChat.create({ SDKAppID: sdkAppId })
-		// 注册上传插件（发送图片/文件必需）
 		chat.registerPlugin({ 'tim-upload-plugin': TIMUploadPlugin })
-		chat.setLogLevel(1) // Release 级别日志
+		chat.setLogLevel(1)
 
-		// 监听 SDK 就绪
 		chat.on(TencentCloudChat.EVENT.SDK_READY, () => {
 			console.log('[IM] SDK 就绪')
 			isReady = true
 		})
 
-		// 监听新消息
 		chat.on(TencentCloudChat.EVENT.MESSAGE_RECEIVED, (event) => {
-			const msgList = event.data
-			if (onMessageCallback) {
-				onMessageCallback(msgList)
-			}
+			if (onMessageCallback) onMessageCallback(event.data)
 		})
 
-		// 监听被踢下线
 		chat.on(TencentCloudChat.EVENT.KICKED_OUT, () => {
 			console.log('[IM] 被踢下线')
 			isReady = false
 		})
 	}
 
-	// 登录
 	await chat.login({ userID: userId, userSig })
 	console.log('[IM] 登录成功:', userId)
-
-	// 同步用户资料（昵称+头像）到 IM
-	try {
-		const userInfo = JSON.parse(uni.getStorageSync('userInfo') || '{}')
-		if (userInfo.nickname || userInfo.avatarUrl) {
-			const profileData = {}
-			if (userInfo.nickname) profileData.nick = userInfo.nickname
-			if (userInfo.avatarUrl) profileData.avatar = userInfo.avatarUrl
-			await chat.updateMyProfile(profileData)
-			console.log('[IM] 用户资料已同步')
-		}
-	} catch (e) {
-		console.warn('[IM] 同步用户资料失败:', e)
-	}
-
 	return { sdkAppId, userId }
 }
 
-/**
- * 登出 IM
- */
+/** 登出 IM */
 export async function logoutIM() {
 	if (chat) {
 		await chat.logout()
 		isReady = false
-		console.log('[IM] 已登出')
 	}
 }
 
-/**
- * 设置新消息回调
- * @param {Function} callback - 接收消息列表的回调
- */
+/** 设置新消息回调 */
 export function onNewMessage(callback) {
 	onMessageCallback = callback
 }
 
-/**
- * 移除新消息回调
- */
+/** 移除新消息回调 */
 export function offNewMessage() {
 	onMessageCallback = null
 }
 
-/**
- * 获取会话 ID（C2C 单聊）
- * @param {string} targetUserId - 对方用户 ID（如 user_123）
- */
-export function getConversationId(targetUserId) {
-	return `C2C${targetUserId}`
+/** 获取群会话 ID */
+export function getGroupConversationId(groupId) {
+	return `GROUP${groupId}`
 }
 
-/**
- * 标记会话为已读
- * @param {string} targetUserId - 对方用户 ID
- */
-export async function setMessageRead(targetUserId) {
-	if (!chat || !isReady) return
-	try {
-		const conversationID = getConversationId(targetUserId)
-		await chat.setMessageRead({ conversationID })
-	} catch (e) {
-		console.error('[IM] 标记已读失败:', e)
-	}
-}
-
-/**
- * 获取会话列表（用于消息页展示聊天记录）
- * @returns {Promise<Array>} 会话列表
- */
+/** 获取会话列表（群聊模式） */
 export async function getConversationList() {
 	if (!chat || !isReady) return []
 	try {
 		const res = await chat.getConversationList()
 		const list = res.data.conversationList || []
-		// 只返回 C2C 单聊会话
 		return list
-			.filter(c => c.type === TencentCloudChat.TYPES.CONV_C2C)
+			.filter(c => c.type === TencentCloudChat.TYPES.CONV_GROUP)
 			.map(c => {
 				const lastMsg = c.lastMessage
 				let lastMessageText = ''
@@ -144,16 +85,14 @@ export async function getConversationList() {
 					} else if (lastMsg.type === TencentCloudChat.TYPES.MSG_IMAGE) {
 						lastMessageText = '[图片]'
 					} else if (lastMsg.type === TencentCloudChat.TYPES.MSG_CUSTOM) {
-						lastMessageText = lastMsg.payload?.description || '[自定义消息]'
+						lastMessageText = lastMsg.payload?.description || '[消息]'
 					} else {
 						lastMessageText = '[消息]'
 					}
 				}
 				return {
 					conversationID: c.conversationID,
-					targetUserId: c.userProfile?.userID || c.conversationID.replace('C2C', ''),
-					nickname: c.userProfile?.nick || c.conversationID.replace('C2C', ''),
-					avatarUrl: c.userProfile?.avatar || '',
+					groupId: c.groupProfile?.groupID || c.conversationID.replace('GROUP', ''),
 					lastMessage: lastMessageText,
 					lastMessageTime: lastMsg ? lastMsg.lastTime * 1000 : 0,
 					unreadCount: c.unreadCount || 0
@@ -166,14 +105,9 @@ export async function getConversationList() {
 	}
 }
 
-/**
- * 拉取历史消息
- * @param {string} targetUserId - 对方用户 ID
- * @param {string} [nextReqMessageID] - 分页标记
- * @returns {Promise<{messageList, isCompleted, nextReqMessageID}>}
- */
-export async function getMessageList(targetUserId, nextReqMessageID) {
-	const conversationID = getConversationId(targetUserId)
+/** 拉取群历史消息 */
+export async function getMessageList(groupId, nextReqMessageID) {
+	const conversationID = getGroupConversationId(groupId)
 	const res = await chat.getMessageList({
 		conversationID,
 		nextReqMessageID,
@@ -186,173 +120,120 @@ export async function getMessageList(targetUserId, nextReqMessageID) {
 	}
 }
 
-/**
- * 发送文本消息
- * @param {string} targetUserId - 对方用户 ID
- * @param {string} text - 文本内容
- * @param {string|number} [orderId] - 关联订单ID
- */
-export async function sendTextMessage(targetUserId, text, orderId) {
+/** 标记群会话已读 */
+export async function setMessageRead(groupId) {
+	if (!chat || !isReady) return
+	try {
+		const conversationID = getGroupConversationId(groupId)
+		await chat.setMessageRead({ conversationID })
+	} catch (e) {
+		console.error('[IM] 标记已读失败:', e)
+	}
+}
+
+/** 发送群文本消息 */
+export async function sendTextMessage(groupId, text) {
 	const message = chat.createTextMessage({
-		to: targetUserId,
-		conversationType: TencentCloudChat.TYPES.CONV_C2C,
+		to: groupId,
+		conversationType: TencentCloudChat.TYPES.CONV_GROUP,
 		payload: { text }
 	})
-	if (orderId) message.cloudCustomData = JSON.stringify({ orderId: String(orderId) })
 	const res = await chat.sendMessage(message)
 	return res.data.message
 }
 
-/**
- * 发送图片消息
- * @param {string} targetUserId - 对方用户 ID
- * @param {Object} fileRes - uni.chooseImage 的 success 回调结果
- * @param {string|number} [orderId] - 关联订单ID
- */
-export async function sendImageMessage(targetUserId, fileRes, orderId) {
+/** 发送群图片消息 */
+export async function sendImageMessage(groupId, fileRes) {
 	const message = chat.createImageMessage({
-		to: targetUserId,
-		conversationType: TencentCloudChat.TYPES.CONV_C2C,
+		to: groupId,
+		conversationType: TencentCloudChat.TYPES.CONV_GROUP,
 		payload: { file: fileRes }
 	})
-	if (orderId) message.cloudCustomData = JSON.stringify({ orderId: String(orderId) })
 	const res = await chat.sendMessage(message)
 	return res.data.message
 }
 
-/**
- * 发送自定义消息（改价申请等）
- * @param {string} targetUserId - 对方用户 ID
- * @param {Object} customData - 自定义数据
- * @param {string|number} [orderId] - 关联订单ID
- */
-export async function sendCustomMessage(targetUserId, customData, orderId) {
+/** 发送群自定义消息 */
+export async function sendCustomMessage(groupId, customData) {
 	const message = chat.createCustomMessage({
-		to: targetUserId,
-		conversationType: TencentCloudChat.TYPES.CONV_C2C,
+		to: groupId,
+		conversationType: TencentCloudChat.TYPES.CONV_GROUP,
 		payload: {
 			data: JSON.stringify(customData),
 			description: customData.description || '',
 			extension: customData.extension || ''
 		}
 	})
-	if (orderId) message.cloudCustomData = JSON.stringify({ orderId: String(orderId) })
 	const res = await chat.sendMessage(message)
 	return res.data.message
 }
 
-/**
- * 将 IM 消息转换为聊天页展示格式
- * @param {Object} msg - IM SDK 消息对象
- * @param {string} currentImUserId - 当前用户 IM ID
- * @returns {Object} 聊天页消息格式
- */
+/** 将 IM 消息转换为聊天页展示格式 */
 export function formatIMMessage(msg, currentImUserId) {
 	const isSelf = msg.from === currentImUserId
 	const avatar = msg.avatar || '/static/logo.png'
 
-	// 提取消息关联的订单ID
-	let msgOrderId = null
-	if (msg.cloudCustomData) {
-		try {
-			const cd = JSON.parse(msg.cloudCustomData)
-			msgOrderId = cd.orderId || null
-		} catch (e) {}
-	}
-
 	// 文本消息
 	if (msg.type === TencentCloudChat.TYPES.MSG_TEXT) {
 		return {
-			id: msg.ID,
-			type: 'text',
-			content: msg.payload.text,
-			isSelf,
-			avatar,
-			time: msg.time * 1000,
-			orderId: msgOrderId
+			id: msg.ID, type: 'text', content: msg.payload.text,
+			isSelf, avatar, time: msg.time * 1000
 		}
 	}
 
 	// 图片消息
 	if (msg.type === TencentCloudChat.TYPES.MSG_IMAGE) {
 		const imgArr = msg.payload.imageInfoArray || []
-		// [0]原图 [1]大图 [2]缩略图，显示用大图，预览用原图
 		const displayUrl = imgArr[1]?.url || imgArr[0]?.url || ''
 		const originUrl = imgArr[0]?.url || imgArr[1]?.url || ''
 		return {
-			id: msg.ID,
-			type: 'image',
-			content: displayUrl,
-			originUrl: originUrl,
-			isSelf,
-			avatar,
-			time: msg.time * 1000,
-			orderId: msgOrderId
+			id: msg.ID, type: 'image', content: displayUrl, originUrl,
+			isSelf, avatar, time: msg.time * 1000
 		}
 	}
 
-	// 自定义消息（改价、订单状态等）
+	// 自定义消息
 	if (msg.type === TencentCloudChat.TYPES.MSG_CUSTOM) {
 		try {
 			const data = JSON.parse(msg.payload.data)
 			if (data.bizType === 'price-change') {
 				return {
-					id: msg.ID,
-					type: 'price-change',
-					isSelf,
+					id: msg.ID, type: 'price-change', isSelf,
 					priceChangeId: data.priceChangeId,
 					changeTypeLabel: data.changeTypeLabel,
 					originalPrice: data.originalPrice,
 					newPrice: data.newPrice,
 					difference: data.difference,
 					status: data.status,
-					time: msg.time * 1000,
-					orderId: msgOrderId
+					time: msg.time * 1000
 				}
 			}
 			if (data.bizType === 'price-change-response') {
 				return {
-					id: msg.ID,
-					type: 'price-change-response',
+					id: msg.ID, type: 'price-change-response',
 					priceChangeId: data.priceChangeId,
-					action: data.action,
-					status: data.status,
+					action: data.action, status: data.status,
 					changeTypeLabel: data.changeTypeLabel,
-					content: data.description || '',
-					isSelf,
-					time: msg.time * 1000,
-					orderId: msgOrderId
+					isSelf, time: msg.time * 1000
 				}
 			}
 			if (data.bizType === 'order-status') {
 				return {
-					id: msg.ID,
-					type: 'system',
+					id: msg.ID, type: 'system',
 					content: data.description || '[订单状态变更]',
-					time: msg.time * 1000,
-					orderId: msgOrderId
+					time: msg.time * 1000
 				}
 			}
 		} catch (e) {}
 		return {
-			id: msg.ID,
-			type: 'text',
-			content: msg.payload.description || '[自定义消息]',
-			isSelf,
-			avatar,
-			time: msg.time * 1000,
-			orderId: msgOrderId
+			id: msg.ID, type: 'text',
+			content: msg.payload.description || '[消息]',
+			isSelf, avatar, time: msg.time * 1000
 		}
 	}
 
-	// 其他类型
 	return {
-		id: msg.ID,
-		type: 'text',
-		content: '[暂不支持的消息类型]',
-		isSelf,
-		avatar,
-		time: msg.time * 1000,
-		orderId: msgOrderId
+		id: msg.ID, type: 'text', content: '[暂不支持的消息类型]',
+		isSelf, avatar, time: msg.time * 1000
 	}
 }
diff --git a/miniapp/utils/request.js b/miniapp/utils/request.js
index 19c6591..b55e1e0 100644
--- a/miniapp/utils/request.js
+++ b/miniapp/utils/request.js
@@ -66,9 +66,17 @@ function request(options) {
 					return
 				}
 
-				// 未登录或 token 过期，静默清除凭证，不自动跳转
+				// 未登录或 token 过期
 				if (statusCode === 401) {
+					// 清除过期的凭证
 					clearAuth()
+					// 非静默请求时提示用户重新登录
+					const pages = getCurrentPages()
+					const currentPage = pages[pages.length - 1]
+					const isTabPage = ['pages/index/index', 'pages/order-hall/order-hall', 'pages/message/message', 'pages/mine/mine'].includes(currentPage?.route)
+					if (!isTabPage) {
+						uni.showToast({ title: '登录已过期，请重新登录', icon: 'none' })
+					}
 					reject(new Error('未登录或登录已过期'))
 					return
 				}
@@ -114,7 +122,6 @@ function uploadFile(filePath, url = '/api/upload/image') {
 			header,
 			success: (res) => {
 				if (res.statusCode === 401) {
-					clearAuth()
 					reject(new Error('未登录或登录已过期'))
 					return
 				}
diff --git a/server/Endpoints/AdminEndpoints.cs b/server/Endpoints/AdminEndpoints.cs
index d0e3413..ea05978 100644
--- a/server/Endpoints/AdminEndpoints.cs
+++ b/server/Endpoints/AdminEndpoints.cs
@@ -478,15 +478,25 @@ public static class AdminEndpoints
                 return Results.BadRequest(new { code = 400, message = "请填写取消原因" });
 
             // 更新订单状态
+            var wasPending = order.Status == OrderStatus.Pending || order.Status == OrderStatus.InProgress
+                || order.Status == OrderStatus.WaitConfirm || order.Status == OrderStatus.Appealing;
             order.Status = OrderStatus.Cancelled;
             await db.SaveChangesAsync();
 
-            // 发起微信退款（原路返回）
-            var totalFen = (int)(order.TotalAmount * 100);
-            var refundNo = $"R{order.OrderNo}";
-            var refundResult = await wxPay.Refund(order.OrderNo, refundNo, totalFen, totalFen, request.Reason);
-
-            Console.WriteLine($"[管理端] 取消订单 {order.OrderNo}，原因：{request.Reason}，退款：{(refundResult ? "成功" : "失败")}");
+            // 只对已支付的订单发起退款（Unpaid 状态无需退款）
+            var refundResult = false;
+            if (wasPending)
+            {
+                var totalFen = (int)(order.TotalAmount * 100);
+                var refundNo = $"R{order.OrderNo}";
+                refundResult = await wxPay.Refund(order.OrderNo, refundNo, totalFen, totalFen, request.Reason);
+                Console.WriteLine($"[管理端] 取消订单 {order.OrderNo}，原因：{request.Reason}，退款：{(refundResult ? "成功" : "失败")}");
+            }
+            else
+            {
+                Console.WriteLine($"[管理端] 取消订单 {order.OrderNo}（未支付，无需退款），原因：{request.Reason}");
+                refundResult = true; // 未支付不需要退款，视为成功
+            }
 
             return Results.Ok(new
             {
@@ -626,15 +636,25 @@ public static class AdminEndpoints
         }).RequireAuthorization("AdminOnly");
 
         // 管理端拉取聊天记录
-        app.MapGet("/api/admin/chat-messages", async (int ownerUserId, int runnerUserId, TencentIMService imService) =>
+        app.MapGet("/api/admin/chat-messages", async (string? groupId, int? ownerUserId, int? runnerUserId, TencentIMService imService) =>
         {
-            var fromImId = $"user_{ownerUserId}";
-            var toImId = $"user_{runnerUserId}";
-
             try
             {
-                var result = await imService.GetRoamMessagesAsync(fromImId, toImId);
-                return Results.Ok(result);
+                // 优先用群ID拉取（群聊模式）
+                if (!string.IsNullOrEmpty(groupId))
+                {
+                    var result = await imService.GetGroupMessagesAsync(groupId);
+                    return Results.Ok(result);
+                }
+                // 兼容旧数据：用C2C拉取
+                if (ownerUserId.HasValue && runnerUserId.HasValue)
+                {
+                    var fromImId = $"user_{ownerUserId}";
+                    var toImId = $"user_{runnerUserId}";
+                    var result = await imService.GetRoamMessagesAsync(fromImId, toImId);
+                    return Results.Ok(result);
+                }
+                return Results.BadRequest(new { code = 400, message = "请提供 groupId 或 ownerUserId+runnerUserId" });
             }
             catch (Exception ex)
             {
diff --git a/server/Endpoints/AuthEndpoints.cs b/server/Endpoints/AuthEndpoints.cs
index 460c15e..55dc592 100644
--- a/server/Endpoints/AuthEndpoints.cs
+++ b/server/Endpoints/AuthEndpoints.cs
@@ -133,6 +133,34 @@ public static class AuthEndpoints
         app.MapGet("/api/protected", () => Results.Ok("ok"))
             .RequireAuthorization();
 
+        // 更新用户信息（昵称、头像）
+        app.MapPut("/api/user/profile", async (UpdateProfileRequest request, HttpContext httpContext, AppDbContext db) =>
+        {
+            var userIdClaim = httpContext.User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier);
+            if (userIdClaim == null) return Results.Unauthorized();
+            var userId = int.Parse(userIdClaim.Value);
+
+            var user = await db.Users.FindAsync(userId);
+            if (user == null) return Results.NotFound(new { code = 404, message = "用户不存在" });
+
+            if (!string.IsNullOrWhiteSpace(request.Nickname))
+                user.Nickname = request.Nickname.Trim();
+            if (!string.IsNullOrWhiteSpace(request.AvatarUrl))
+                user.AvatarUrl = request.AvatarUrl.Trim();
+
+            await db.SaveChangesAsync();
+
+            return Results.Ok(new UserInfo
+            {
+                Id = user.Id,
+                Uid = user.Uid,
+                Phone = user.Phone,
+                Nickname = user.Nickname,
+                AvatarUrl = user.AvatarUrl,
+                Role = user.Role.ToString()
+            });
+        }).RequireAuthorization();
+
         // 管理员账号密码登录接口
         app.MapPost("/api/admin/auth/login", async (
             AdminLoginRequest request,
diff --git a/server/Endpoints/EarningEndpoints.cs b/server/Endpoints/EarningEndpoints.cs
index 9fc00dc..66cf717 100644
--- a/server/Endpoints/EarningEndpoints.cs
+++ b/server/Endpoints/EarningEndpoints.cs
@@ -2,6 +2,7 @@ using CampusErrand.Data;
 using CampusErrand.Models;
 using CampusErrand.Models.Dtos;
 using CampusErrand.Helpers;
+using CampusErrand.Services;
 using Microsoft.EntityFrameworkCore;
 
 namespace CampusErrand.Endpoints;
@@ -106,13 +107,10 @@ public static class EarningEndpoints
             if (request.Amount != Math.Round(request.Amount, 2))
                 return Results.BadRequest(new { code = 400, message = "请输入正确的提现金额" });
 
-            // 收款方式校验
-            if (!Enum.TryParse<PaymentMethod>(request.PaymentMethod, true, out var paymentMethod) || !Enum.IsDefined(paymentMethod))
-                return Results.BadRequest(new { code = 400, message = "收款方式不合法" });
-
-            // 收款二维码校验
-            if (string.IsNullOrWhiteSpace(request.QrCodeImage))
-                return Results.BadRequest(new { code = 400, message = "收款二维码不能为空" });
+            // 收款方式默认微信零钱
+            var paymentMethod = PaymentMethod.WeChat;
+            if (!string.IsNullOrEmpty(request.PaymentMethod))
+                Enum.TryParse<PaymentMethod>(request.PaymentMethod, true, out paymentMethod);
 
             // 先执行冻结解冻逻辑
             await BusinessHelpers.UnfreezeEarnings(db);
@@ -220,7 +218,7 @@ public static class EarningEndpoints
         }).RequireAuthorization("AdminOnly");
 
         // 管理端审核提现（通过/拒绝）
-        app.MapPut("/api/admin/withdrawals/{id}", async (int id, AdminWithdrawalRequest request, AppDbContext db) =>
+        app.MapPut("/api/admin/withdrawals/{id}", async (int id, AdminWithdrawalRequest request, AppDbContext db, WxPayService wxPay) =>
         {
             var withdrawal = await db.Withdrawals.FindAsync(id);
             if (withdrawal == null)
@@ -231,6 +229,22 @@ public static class EarningEndpoints
 
             if (request.Action == "approve")
             {
+                // 先调用微信商家转账到零钱
+                var user = await db.Users.FindAsync(withdrawal.UserId);
+                if (user == null || string.IsNullOrEmpty(user.OpenId))
+                    return Results.BadRequest(new { code = 400, message = "用户信息异常，无法转账" });
+
+                var amountFen = (int)(withdrawal.Amount * 100);
+                var batchNo = $"W{withdrawal.Id}_{DateTime.UtcNow:yyyyMMddHHmmss}";
+                var detailNo = $"D{withdrawal.Id}_{DateTime.UtcNow:yyyyMMddHHmmss}";
+                var (transferSuccess, transferError) = await wxPay.TransferToWallet(batchNo, detailNo, user.OpenId, amountFen, "跑腿提现到账");
+
+                if (!transferSuccess)
+                {
+                    Console.WriteLine($"[提现] 转账失败: {transferError}");
+                    return Results.BadRequest(new { code = 400, message = $"转账失败，请稍后重试", detail = transferError });
+                }
+
                 withdrawal.Status = WithdrawalStatus.Completed;
                 withdrawal.ProcessedAt = DateTime.UtcNow;
 
diff --git a/server/Endpoints/OrderEndpoints.cs b/server/Endpoints/OrderEndpoints.cs
index 1307f96..6bc73fb 100644
--- a/server/Endpoints/OrderEndpoints.cs
+++ b/server/Endpoints/OrderEndpoints.cs
@@ -185,7 +185,8 @@ public static class OrderEndpoints
                     OwnerAvatar = o.Owner!.AvatarUrl,
                     RunnerNickname = o.Runner!.Nickname,
                     RunnerAvatar = o.Runner!.AvatarUrl,
-                    LastTime = o.CompletedAt ?? o.AcceptedAt ?? o.CreatedAt
+                    LastTime = o.CompletedAt ?? o.AcceptedAt ?? o.CreatedAt,
+                    o.ImGroupId
                 })
                 .ToListAsync();
 
@@ -208,7 +209,8 @@ public static class OrderEndpoints
                     TargetUserId = targetId,
                     TargetNickname = nickname,
                     TargetAvatar = avatar ?? "",
-                    o.LastTime
+                    o.LastTime,
+                    o.ImGroupId
                 };
             });
 
@@ -334,6 +336,8 @@ public static class OrderEndpoints
                 RunnerPhone = runnerPhone
             };
 
+            response.ImGroupId = order.ImGroupId;
+
             // 查询佣金抽成信息（有 Earning 记录用实际值，否则实时计算预估值）
             if (order.RunnerId.HasValue)
             {
@@ -455,7 +459,7 @@ public static class OrderEndpoints
         }).AllowAnonymous();
 
         // 接单
-        app.MapPost("/api/orders/{id}/accept", async (int id, HttpContext httpContext, AppDbContext db) =>
+        app.MapPost("/api/orders/{id}/accept", async (int id, HttpContext httpContext, AppDbContext db, TencentIMService imService) =>
         {
             // 获取当前用户
             var userIdClaim = httpContext.User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier);
@@ -515,6 +519,24 @@ public static class OrderEndpoints
                 return Results.Conflict(new { code = 409, message = "该订单已被接取" });
             }
 
+            // 创建 IM 群组
+            try
+            {
+                var groupId = $"order_{order.Id}";
+                var ownerImId = $"user_{order.OwnerId}";
+                var runnerImId = $"user_{userId}";
+                var result = await imService.CreateGroupAsync(groupId, $"订单{order.OrderNo}", ownerImId, runnerImId);
+                if (result != null)
+                {
+                    order.ImGroupId = result;
+                    await db.SaveChangesAsync();
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"[IM] 创建群组失败: {ex.Message}");
+            }
+
             return Results.Ok(new AcceptOrderResponse
             {
                 Id = order.Id,
@@ -1041,7 +1063,7 @@ public static class OrderEndpoints
                         var refundAmount = Math.Abs(totalDiff);
                         var refundFen = (int)(refundAmount * 100);
                         var totalFen = (int)(oldTotal * 100);
-                        var refundNo = $"RP{order.OrderNo}{DateTime.UtcNow:mmss}";
+                        var refundNo = $"RP{order.OrderNo}{DateTime.UtcNow:HHmmss}{Random.Shared.Next(100, 999)}";
                         refundSuccess = await wxPay.Refund(order.OrderNo, refundNo, totalFen, refundFen, "改价退款");
                         Console.WriteLine($"[改价] 退款{(refundSuccess ? "成功" : "失败")}: ¥{refundAmount}");
                     }
diff --git a/server/Migrations/20260401162116_AddOrderImGroupId.Designer.cs b/server/Migrations/20260401162116_AddOrderImGroupId.Designer.cs
new file mode 100644
index 0000000..ab0a9b1
--- /dev/null
+++ b/server/Migrations/20260401162116_AddOrderImGroupId.Designer.cs
@@ -0,0 +1,916 @@
+// <auto-generated />
+using System;
+using CampusErrand.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace CampusErrand.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20260401162116_AddOrderImGroupId")]
+    partial class AddOrderImGroupId
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("CampusErrand.Models.Appeal", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Result")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("nvarchar(1024)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.ToTable("Appeals");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Banner", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("ImageUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("LinkType")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("LinkUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SortOrder");
+
+                    b.ToTable("Banners");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.CommissionRule", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal?>("MaxAmount")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<decimal>("MinAmount")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<decimal>("Rate")
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<string>("RateType")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("CommissionRules");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("Photo")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<decimal>("Price")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Earning", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal>("Commission")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime>("FrozenUntil")
+                        .HasColumnType("datetime2");
+
+                    b.Property<decimal?>("GoodsAmount")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<decimal>("NetEarning")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("PlatformFee")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Earnings");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.FoodOrderItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("FoodOrderItems");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.MessageRead", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("MessageId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("MessageType")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId", "MessageType", "MessageId")
+                        .IsUnique();
+
+                    b.ToTable("MessageReads");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime?>("AcceptedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<decimal>("Commission")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("CompletionProof")
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("DeliveryLocation")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<decimal?>("GoodsAmount")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<string>("ImGroupId")
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<bool>("IsReviewed")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("ItemName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("nvarchar(32)");
+
+                    b.Property<string>("OrderType")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("OwnerId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<string>("PickupLocation")
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<int?>("RunnerId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<decimal>("TotalAmount")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("OwnerId");
+
+                    b.HasIndex("RunnerId");
+
+                    b.HasIndex("Status");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.PriceChange", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ChangeType")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("InitiatorId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("NewPrice")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("OriginalPrice")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("InitiatorId");
+
+                    b.HasIndex("OrderId");
+
+                    b.ToTable("PriceChanges");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Review", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Content")
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<bool>("IsDisabled")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("OrderId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Rating")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RunnerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ScoreChange")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("RunnerId");
+
+                    b.ToTable("Reviews");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.RunnerCertification", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<string>("RealName")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("nvarchar(32)");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("RunnerCertifications");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.ServiceEntry", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("IconUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("nvarchar(32)");
+
+                    b.Property<string>("PagePath")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SortOrder");
+
+                    b.ToTable("ServiceEntries");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Location")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("nvarchar(256)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("Notice")
+                        .HasMaxLength(1024)
+                        .HasColumnType("nvarchar(1024)");
+
+                    b.Property<decimal>("PackingFeeAmount")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<string>("PackingFeeType")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Photo")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.ShopBanner", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ImageUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopBanners");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.SystemConfig", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Key")
+                        .IsUnique();
+
+                    b.ToTable("SystemConfigs");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.SystemMessage", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("TargetUserIds")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("ThumbnailUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("nvarchar(128)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SystemMessages");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<bool>("IsBanned")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("nvarchar(128)");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<string>("Role")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("RunnerScore")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Uid")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OpenId")
+                        .IsUnique();
+
+                    b.HasIndex("Phone");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Withdrawal", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("PaymentMethod")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("QrCodeImage")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("nvarchar(512)");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Withdrawals");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Appeal", b =>
+                {
+                    b.HasOne("CampusErrand.Models.Order", "Order")
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Dish", b =>
+                {
+                    b.HasOne("CampusErrand.Models.Shop", "Shop")
+                        .WithMany("Dishes")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Earning", b =>
+                {
+                    b.HasOne("CampusErrand.Models.Order", "Order")
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("CampusErrand.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.FoodOrderItem", b =>
+                {
+                    b.HasOne("CampusErrand.Models.Dish", "Dish")
+                        .WithMany()
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("CampusErrand.Models.Order", "Order")
+                        .WithMany("FoodOrderItems")
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("CampusErrand.Models.Shop", "Shop")
+                        .WithMany()
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.MessageRead", b =>
+                {
+                    b.HasOne("CampusErrand.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Order", b =>
+                {
+                    b.HasOne("CampusErrand.Models.User", "Owner")
+                        .WithMany()
+                        .HasForeignKey("OwnerId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("CampusErrand.Models.User", "Runner")
+                        .WithMany()
+                        .HasForeignKey("RunnerId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("Owner");
+
+                    b.Navigation("Runner");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.PriceChange", b =>
+                {
+                    b.HasOne("CampusErrand.Models.User", "Initiator")
+                        .WithMany()
+                        .HasForeignKey("InitiatorId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("CampusErrand.Models.Order", "Order")
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("Initiator");
+
+                    b.Navigation("Order");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Review", b =>
+                {
+                    b.HasOne("CampusErrand.Models.Order", "Order")
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("CampusErrand.Models.User", "Runner")
+                        .WithMany()
+                        .HasForeignKey("RunnerId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("Order");
+
+                    b.Navigation("Runner");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.RunnerCertification", b =>
+                {
+                    b.HasOne("CampusErrand.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.ShopBanner", b =>
+                {
+                    b.HasOne("CampusErrand.Models.Shop", "Shop")
+                        .WithMany("ShopBanners")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Withdrawal", b =>
+                {
+                    b.HasOne("CampusErrand.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Order", b =>
+                {
+                    b.Navigation("FoodOrderItems");
+                });
+
+            modelBuilder.Entity("CampusErrand.Models.Shop", b =>
+                {
+                    b.Navigation("Dishes");
+
+                    b.Navigation("ShopBanners");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/server/Migrations/20260401162116_AddOrderImGroupId.cs b/server/Migrations/20260401162116_AddOrderImGroupId.cs
new file mode 100644
index 0000000..ebf4068
--- /dev/null
+++ b/server/Migrations/20260401162116_AddOrderImGroupId.cs
@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace CampusErrand.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddOrderImGroupId : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "ImGroupId",
+                table: "Orders",
+                type: "nvarchar(64)",
+                maxLength: 64,
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "ImGroupId",
+                table: "Orders");
+        }
+    }
+}
diff --git a/server/Migrations/AppDbContextModelSnapshot.cs b/server/Migrations/AppDbContextModelSnapshot.cs
index 14e1c95..8b3bc7a 100644
--- a/server/Migrations/AppDbContextModelSnapshot.cs
+++ b/server/Migrations/AppDbContextModelSnapshot.cs
@@ -286,6 +286,10 @@ namespace CampusErrand.Migrations
                     b.Property<decimal?>("GoodsAmount")
                         .HasColumnType("decimal(10,2)");
 
+                    b.Property<string>("ImGroupId")
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
                     b.Property<bool>("IsReviewed")
                         .HasColumnType("bit");
 
diff --git a/server/Models/Dtos/AuthDtos.cs b/server/Models/Dtos/AuthDtos.cs
index 234399e..964911c 100644
--- a/server/Models/Dtos/AuthDtos.cs
+++ b/server/Models/Dtos/AuthDtos.cs
@@ -68,3 +68,14 @@ public class AdminLoginRequest
     [Required(ErrorMessage = "密码不能为空")]
     public string Password { get; set; } = string.Empty;
 }
+
+/// <summary>
+/// 更新用户信息请求
+/// </summary>
+public class UpdateProfileRequest
+{
+    /// <summary>昵称</summary>
+    public string? Nickname { get; set; }
+    /// <summary>头像URL</summary>
+    public string? AvatarUrl { get; set; }
+}
diff --git a/server/Models/Dtos/OrderDtos.cs b/server/Models/Dtos/OrderDtos.cs
index 95f6121..80813f3 100644
--- a/server/Models/Dtos/OrderDtos.cs
+++ b/server/Models/Dtos/OrderDtos.cs
@@ -89,6 +89,8 @@ public class OrderResponse
     public decimal? PlatformFee { get; set; }
     /// <summary>跑腿实得佣金（订单完成后可见）</summary>
     public decimal? NetEarning { get; set; }
+    /// <summary>IM 群组 ID</summary>
+    public string? ImGroupId { get; set; }
     public List<FoodOrderItemResponse>? FoodItems { get; set; }
 }
 
diff --git a/server/Models/Order.cs b/server/Models/Order.cs
index 97a8c2b..4296f87 100644
--- a/server/Models/Order.cs
+++ b/server/Models/Order.cs
@@ -75,6 +75,10 @@ public class Order
     /// <summary>完成时间</summary>
     public DateTime? CompletedAt { get; set; }
 
+    /// <summary>IM 群组 ID（接单时创建）</summary>
+    [MaxLength(64)]
+    public string? ImGroupId { get; set; }
+
     // 导航属性
     [ForeignKey(nameof(OwnerId))]
     public User? Owner { get; set; }
diff --git a/server/Services/TencentIMService.cs b/server/Services/TencentIMService.cs
index 812e674..15dad8c 100644
--- a/server/Services/TencentIMService.cs
+++ b/server/Services/TencentIMService.cs
@@ -82,4 +82,65 @@ public class TencentIMService
         Console.WriteLine($"[IM] 拉取漫游消息: {fromUserId} -> {toUserId}, 响应: {json}");
         return JsonSerializer.Deserialize<JsonElement>(json);
     }
+
+    /// <summary>
+    /// 创建 IM 群组（每个订单一个群）
+    /// </summary>
+    public async Task<string?> CreateGroupAsync(string groupId, string groupName, string ownerImId, string runnerImId)
+    {
+        var adminSig = GenerateUserSig(AdminAccount);
+        var random = Random.Shared.Next(100000, 999999);
+        var url = $"https://console.tim.qq.com/v4/group_open_http_svc/create_group?sdkappid={_sdkAppId}&identifier={AdminAccount}&usersig={adminSig}&random={random}&contenttype=json";
+
+        var body = new
+        {
+            Type = "Private",
+            GroupId = groupId,
+            Name = groupName,
+            Owner_Account = ownerImId,
+            MemberList = new[]
+            {
+                new { Member_Account = runnerImId }
+            }
+        };
+
+        var content = new StringContent(JsonSerializer.Serialize(body), Encoding.UTF8, "application/json");
+        var response = await _httpClient.PostAsync(url, content);
+        var json = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"[IM] 创建群组: {groupId}, 响应: {json}");
+
+        var result = JsonSerializer.Deserialize<JsonElement>(json);
+        var actionStatus = result.GetProperty("ActionStatus").GetString();
+        if (actionStatus == "OK")
+            return result.GetProperty("GroupId").GetString();
+
+        // 群已存在也算成功
+        var errorCode = result.GetProperty("ErrorCode").GetInt32();
+        if (errorCode == 10021)
+            return groupId;
+
+        return null;
+    }
+
+    /// <summary>
+    /// 拉取群漫游消息（管理后台用）
+    /// </summary>
+    public async Task<JsonElement> GetGroupMessagesAsync(string groupId, int reqMsgSeq = 0, int reqMsgNumber = 20)
+    {
+        var adminSig = GenerateUserSig(AdminAccount);
+        var random = Random.Shared.Next(100000, 999999);
+        var url = $"https://console.tim.qq.com/v4/group_open_http_svc/group_msg_get_simple?sdkappid={_sdkAppId}&identifier={AdminAccount}&usersig={adminSig}&random={random}&contenttype=json";
+
+        var body = new
+        {
+            GroupId = groupId,
+            ReqMsgSeq = reqMsgSeq,
+            ReqMsgNumber = reqMsgNumber
+        };
+
+        var content = new StringContent(JsonSerializer.Serialize(body), Encoding.UTF8, "application/json");
+        var response = await _httpClient.PostAsync(url, content);
+        var json = await response.Content.ReadAsStringAsync();
+        return JsonSerializer.Deserialize<JsonElement>(json);
+    }
 }
diff --git a/server/Services/WxPayService.cs b/server/Services/WxPayService.cs
index e23bb4e..1650091 100644
--- a/server/Services/WxPayService.cs
+++ b/server/Services/WxPayService.cs
@@ -175,6 +175,60 @@ public class WxPayService
         return true;
     }
 
+    /// <summary>
+    /// 商家转账到零钱（提现用）
+    /// </summary>
+    public async Task<(bool Success, string? ErrorMessage)> TransferToWallet(string outBatchNo, string outDetailNo, string openId, int amountFen, string remark = "提现到账")
+    {
+        var requestBody = new
+        {
+            appid = _appId,
+            out_batch_no = outBatchNo,
+            batch_name = "跑腿提现",
+            batch_remark = remark,
+            total_amount = amountFen,
+            total_num = 1,
+            transfer_detail_list = new[]
+            {
+                new
+                {
+                    out_detail_no = outDetailNo,
+                    transfer_amount = amountFen,
+                    transfer_remark = remark,
+                    openid = openId
+                }
+            }
+        };
+
+        var json = JsonSerializer.Serialize(requestBody);
+        var url = "/v3/transfer/batches";
+        var fullUrl = $"https://api.mch.weixin.qq.com{url}";
+
+        var request = new HttpRequestMessage(HttpMethod.Post, fullUrl)
+        {
+            Content = new StringContent(json, Encoding.UTF8, "application/json")
+        };
+
+        var timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
+        var nonce = Guid.NewGuid().ToString("N");
+        var signature = Sign("POST", url, timestamp, nonce, json);
+        request.Headers.Add("Authorization", $"WECHATPAY2-SHA256-RSA2048 mchid=\"{_mchId}\",nonce_str=\"{nonce}\",timestamp=\"{timestamp}\",serial_no=\"{_serialNo}\",signature=\"{signature}\"");
+        request.Headers.Add("Accept", "application/json");
+        request.Headers.Add("User-Agent", "CampusErrand/1.0");
+
+        var response = await _httpClient.SendAsync(request);
+        var responseBody = await response.Content.ReadAsStringAsync();
+
+        if (!response.IsSuccessStatusCode)
+        {
+            Console.WriteLine($"[微信转账] 转账失败: {responseBody}");
+            return (false, responseBody);
+        }
+
+        Console.WriteLine($"[微信转账] 转账成功: {outBatchNo}");
+        return (true, null);
+    }
+
     /// <summary>
     /// 生成签名
     /// </summary>