diff --git a/track-uniapp/src/pages/scan/detail.vue b/track-uniapp/src/pages/scan/detail.vue
index 7e73ea6..78a96c6 100644
--- a/track-uniapp/src/pages/scan/detail.vue
+++ b/track-uniapp/src/pages/scan/detail.vue
@@ -124,13 +124,14 @@
           <view class="user-grid">
             <view v-for="u in userGridOptions" :key="u.id"
               :class="['user-grid-item', transferForm.selectedUserId === u.id ? 'user-grid-active' : '']"
-              @tap="transferForm.selectedUserId = u.id">{{ formatName(u.name) }}</view>
+              @tap="selectTransferUser(u.id)">{{ formatName(u.name) }}</view>
           </view>
           <view class="field-label" style="margin-top:12px;">或</view>
-          <view :class="['user-grid-item', transferForm.isWarehouse ? 'user-grid-active' : '']" style="width:100%;" @tap="transferForm.isWarehouse = !transferForm.isWarehouse; transferForm.selectedUserId = '';">📦 入库 (virtual_warehouse)</view>
-          <input v-model="transferForm.note" class="popup-input" placeholder="交接备注（选填）" style="margin-top:12px;" />
+          <view :class="['user-grid-item', transferForm.isWarehouse ? 'user-grid-active' : '']" style="width:100%;" @tap="toggleWarehouse">📦 入库 (virtual_warehouse)</view>
+          <view class="field-label" style="margin-top:12px;">交接备注 <text class="required">*</text></view>
+          <textarea v-model="transferForm.note" class="popup-textarea" placeholder="请填写交接备注（必填）" :maxlength="500" />
           <view v-if="transferForm.isWarehouse || transferForm.selectedUserId" class="preview-hint">{{ transferForm.isWarehouse ? '产品将入库并从个人待办中移除' : '将创建新任务指派给 ' + (transferUserName || '—') }}</view>
-          <view class="popup-btns"><button class="btn-cancel" @tap="closeActionPopup">取消</button><button class="btn-primary" :disabled="actionLoading || (!transferForm.isWarehouse && !transferForm.selectedUserId)" @tap="doTransfer">{{ actionLoading ? '提交中...' : (transferForm.isWarehouse ? '📦 确认入库' : '确认转交') }}</button></view>
+          <view class="popup-btns"><button class="btn-cancel" @tap="closeActionPopup">取消</button><button class="btn-primary" :disabled="actionLoading || (!transferForm.isWarehouse && !transferForm.selectedUserId) || !transferForm.note.trim()" @tap="doTransfer">{{ actionLoading ? '提交中...' : (transferForm.isWarehouse ? '📦 确认入库' : '确认转交') }}</button></view>
         </template>
         <template v-if="actionPopup.type === 'spawn'">
           <text class="popup-title">➕ 派发协助分支</text>
@@ -234,7 +235,9 @@ export default {
     closeActionPopup() { this.actionPopup = { visible: false, type: "", task: null }; },
     async doReceive() { this.actionLoading = true; try { const remark = this.receiveRemark.trim() || undefined; const opId = this.currentUsername || this.currentUserId; await post(`/tasks/${this.actionPopup.task.id}/receive?operator_id=${encodeURIComponent(opId)}`, { remark, task_name: this.receiveTaskName }); uni.showToast({ title: "已接收", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },
     async doReject() { this.actionLoading = true; try { const opId = this.currentUsername || this.currentUserId; await post(`/tasks/${this.actionPopup.task.id}/reject?operator_id=${encodeURIComponent(opId)}`, { reason: this.rejectReason.trim() }); uni.showToast({ title: "已驳回", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },
-    // 转交（单线）
+    // 转交 — 互斥选择
+    selectTransferUser(userId) { this.transferForm.selectedUserId = userId; this.transferForm.isWarehouse = false; },
+    toggleWarehouse() { this.transferForm.isWarehouse = !this.transferForm.isWarehouse; if (this.transferForm.isWarehouse) this.transferForm.selectedUserId = ""; },
     async doTransfer() { this.actionLoading = true; try { const assignees = this.transferForm.isWarehouse ? ["virtual_warehouse"] : [this.transferForm.selectedUserId]; const taskName = this.transferForm.isWarehouse ? "🏭 入库 (virtual_warehouse)" : "待确认"; await post(`/tasks/${this.actionPopup.task.id}/transfer`, { next_tasks: [{ task_name: taskName, assignees }], note: this.transferForm.note.trim() || undefined }); uni.showToast({ title: this.transferForm.isWarehouse ? "已入库" : "转交成功", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },
     // 派发协助分支
     async doSpawn() { this.actionLoading = true; try { const opId = this.currentUsername || this.currentUserId; await post(`/tasks/${this.actionPopup.task.id}/spawn?operator_id=${encodeURIComponent(opId)}`, { task_name: "待确认", assignee_id: this.spawnForm.assignee_id, remark: this.spawnForm.remark.trim() || undefined }); uni.showToast({ title: "协助分支已派发", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },