diff --git a/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx b/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx
index 12910326..666748cf 100644
--- a/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx
+++ b/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx
@@ -471,7 +471,7 @@ export default function WorkOrdersPanel() {
 
   function requestDeleteWorkOrder(row: WorkOrder) {
     modal.confirm({
-      title: `确认删除工单 ${row.workOrderNo}？`,
+      title: `确认删除订单 ${getDisplayOrderNo(row)}？`,
       content:
         '删除后工单将从列表中移除，且不可恢复。仅未分配、待完善或已取消且无拼单参与的工单可删除。',
       okText: '确认删除',
@@ -516,7 +516,7 @@ export default function WorkOrdersPanel() {
               </Typography.Text>
             ) : null}
             <Typography.Text type="secondary">
-              {row.platformOrderId} · {row.workOrderNo}
+              {getDisplayOrderNo(row)}
             </Typography.Text>
           </div>
         )
@@ -782,7 +782,7 @@ export default function WorkOrdersPanel() {
             <Input
               allowClear
               value={keywordInput}
-              placeholder="订单号、工单号或商品名"
+              placeholder="订单号或商品名"
               style={{ width: 280 }}
               onChange={(event) => setKeywordInput(event.target.value)}
               onPressEnter={searchOrders}
@@ -852,7 +852,7 @@ export default function WorkOrdersPanel() {
       <Drawer
         title={
           detailOrder
-            ? `${detailOrder.productName || '工单详情'} · ${detailOrder.workOrderNo}`
+            ? `${detailOrder.productName || '工单详情'} · ${getDisplayOrderNo(detailOrder)}`
             : '工单详情'
         }
         width={860}
@@ -884,11 +884,8 @@ export default function WorkOrdersPanel() {
           <div className="worker-order-detail-stack">
             <Card title="基础信息" size="small">
               <Descriptions column={{ xs: 1, md: 2 }} bordered size="small">
-                <Descriptions.Item label="工单号">
-                  {detailOrder.workOrderNo}
-                </Descriptions.Item>
                 <Descriptions.Item label="平台订单号">
-                  {detailOrder.platformOrderId || '-'}
+                  {getDisplayOrderNo(detailOrder)}
                 </Descriptions.Item>
                 <Descriptions.Item label="源订单 ID">
                   {detailOrder.orderId || '-'}
@@ -1038,7 +1035,7 @@ export default function WorkOrdersPanel() {
       </Drawer>
 
       <Modal
-        title={`编辑工单 · ${editOrder?.workOrderNo || ''}`}
+        title={`编辑工单 · ${getDisplayOrderNo(editOrder)}`}
         open={Boolean(editOrder)}
         onCancel={() => {
           setEditOrder(null)
@@ -1126,7 +1123,7 @@ export default function WorkOrdersPanel() {
       </Modal>
 
       <Modal
-        title={`扣减待解冻押金 · ${deductOrder?.workOrderNo || ''}`}
+        title={`扣减待解冻押金 · ${getDisplayOrderNo(deductOrder)}`}
         open={Boolean(deductOrder)}
         onCancel={() => {
           setDeductOrder(null)
@@ -1484,6 +1481,10 @@ function formatUserPaymentAmount(order: WorkOrder): string {
   return paymentFen === null ? '-' : formatMoney(paymentFen)
 }
 
+function getDisplayOrderNo(order: Pick<WorkOrder, 'platformOrderId'> | null | undefined): string {
+  return String(order?.platformOrderId || '').trim() || '-'
+}
+
 /** 用户付款金额（分）；未知返回 null（不参与超价提示） */
 function getUserPaymentFen(order: WorkOrder): number | null {
   const material = asRecord(order.material)
@@ -1523,7 +1524,7 @@ function ProductNameEditableCell({
       clickTimerRef.current = null
     }
     if (!editable) return
-    setDraft(order.productName || order.workOrderNo)
+    setDraft(order.productName || '')
     setEditing(true)
   }
 
@@ -1558,7 +1559,7 @@ function ProductNameEditableCell({
         onClick={handleClick}
         onDoubleClick={handleDoubleClick}
       >
-        {order.productName || order.workOrderNo}
+        {order.productName || '未命名商品'}
       </Typography.Link>
     )
   }
diff --git a/apps/frontend/src/pages/worker/WorkerHallPage.tsx b/apps/frontend/src/pages/worker/WorkerHallPage.tsx
index f3c142c7..53a2175c 100644
--- a/apps/frontend/src/pages/worker/WorkerHallPage.tsx
+++ b/apps/frontend/src/pages/worker/WorkerHallPage.tsx
@@ -252,7 +252,7 @@ export default function WorkerHallPage() {
             <Input
               allowClear
               value={keywordInput}
-              placeholder="搜索商品名称 / 订单号 / 工单号"
+              placeholder="搜索商品名称 / 订单号"
               prefix={<SearchOutlined />}
               onChange={(event) => {
                 const nextKeyword = event.target.value
@@ -353,16 +353,16 @@ export default function WorkerHallPage() {
                     <div className="worker-hall-card-title">
                       <Typography.Link
                         className="worker-hall-card-link"
-                        title={order.productName || order.workOrderNo}
+                        title={order.productName || '未命名商品'}
                         onClick={() => setDetailOrder(order)}
                       >
-                        {order.productName || order.workOrderNo}
+                        {order.productName || '未命名商品'}
                       </Typography.Link>
                       <Typography.Text type="secondary">
                         {order.categoryName || '默认分类'}
                       </Typography.Text>
                       <Typography.Text type="secondary">
-                        订单号：{order.platformOrderId || order.workOrderNo}
+                        订单号：{getDisplayOrderNo(order)}
                       </Typography.Text>
                     </div>
 
@@ -471,7 +471,7 @@ export default function WorkerHallPage() {
       <Drawer
         title={
           detailOrder
-            ? `${detailOrder.productName || '工单详情'} · ${detailOrder.workOrderNo}`
+            ? `${detailOrder.productName || '工单详情'} · ${getDisplayOrderNo(detailOrder)}`
             : '工单详情'
         }
         width={760}
@@ -507,11 +507,8 @@ export default function WorkerHallPage() {
                 <Descriptions.Item label="分类">
                   {detailOrder.categoryName || '-'}
                 </Descriptions.Item>
-                <Descriptions.Item label="工单号">
-                  {detailOrder.workOrderNo}
-                </Descriptions.Item>
                 <Descriptions.Item label="平台订单号">
-                  {detailOrder.platformOrderId || '-'}
+                  {getDisplayOrderNo(detailOrder)}
                 </Descriptions.Item>
                 <Descriptions.Item label="接单奖励">
                   {formatMoney(detailOrder.rewardAmount)}
@@ -678,6 +675,10 @@ function resolvePublishedTime(order: WorkOrder) {
   return order.publishedAt || order.createdAt || order.updatedAt
 }
 
+function getDisplayOrderNo(order: Pick<WorkOrder, 'platformOrderId'> | null | undefined): string {
+  return String(order?.platformOrderId || '').trim() || '-'
+}
+
 function asRecord(value: unknown): Record<string, unknown> {
   return value && typeof value === 'object' && !Array.isArray(value)
     ? (value as Record<string, unknown>)
diff --git a/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx b/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx
index 63c35909..7bcf3fa7 100644
--- a/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx
+++ b/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx
@@ -270,17 +270,17 @@ export default function WorkerOrdersPage() {
           <Typography.Link
             strong
             onClick={() => setDetailOrder(row)}
-            title={row.productName || row.workOrderNo}
+            title={row.productName || '未命名商品'}
             ellipsis
           >
-            {row.productName || row.workOrderNo}
+            {row.productName || '未命名商品'}
           </Typography.Link>
           <Space size={[4, 4]} wrap>
             {row.categoryName ? <Tag color="blue">{row.categoryName}</Tag> : null}
             {row.myShare ? <Tag color="purple">拼单</Tag> : null}
           </Space>
-          <Typography.Text type="secondary" style={{ fontSize: 12 }} ellipsis={{ tooltip: `${row.workOrderNo} / ${row.platformOrderId || '-'}` }}>
-            {row.workOrderNo}
+          <Typography.Text type="secondary" style={{ fontSize: 12 }} ellipsis={{ tooltip: getDisplayOrderNo(row) }}>
+            {getDisplayOrderNo(row)}
           </Typography.Text>
           <Typography.Text type="secondary" style={{ fontSize: 12 }}>
             接单：{formatDateTime(row.assignedAt)}
@@ -518,7 +518,7 @@ export default function WorkerOrdersPage() {
             <Input
               allowClear
               value={keywordInput}
-              placeholder="搜索工单号 / 订单号 / 商品名"
+              placeholder="搜索订单号 / 商品名"
               prefix={<SearchOutlined />}
               onChange={(event) => {
                 const nextValue = event.target.value
@@ -584,7 +584,7 @@ export default function WorkerOrdersPage() {
       <Drawer
         title={
           detailOrder
-            ? `${detailOrder.productName || '订单详情'} · ${detailOrder.workOrderNo}`
+            ? `${detailOrder.productName || '订单详情'} · ${getDisplayOrderNo(detailOrder)}`
             : '订单详情'
         }
         width={820}
@@ -625,11 +625,8 @@ export default function WorkerOrdersPage() {
                 <Descriptions.Item label="分类">
                   {detailOrder.categoryName || '-'}
                 </Descriptions.Item>
-                <Descriptions.Item label="工单号">
-                  {detailOrder.workOrderNo}
-                </Descriptions.Item>
                 <Descriptions.Item label="平台订单号">
-                  {detailOrder.platformOrderId || '-'}
+                  {getDisplayOrderNo(detailOrder)}
                 </Descriptions.Item>
                 <Descriptions.Item label="状态">
                   <Tag color={resolveStatusColor(detailOrder.status)}>
@@ -731,7 +728,7 @@ export default function WorkerOrdersPage() {
       </Drawer>
 
       <Modal
-        title={`订单备注 · ${noteOrder?.workOrderNo || ''}`}
+        title={`订单备注 · ${getDisplayOrderNo(noteOrder)}`}
         open={Boolean(noteOrder)}
         width={460}
         onCancel={() => {
@@ -851,6 +848,10 @@ function hasSubmittedAcceptance(order: WorkOrder) {
   return order.status === 'pending_acceptance'
 }
 
+function getDisplayOrderNo(order: Pick<WorkOrder, 'platformOrderId'> | null | undefined): string {
+  return String(order?.platformOrderId || '').trim() || '-'
+}
+
 function canCancelOrder(order: WorkOrder) {
   return !order.myShare && order.status === 'in_progress'
 }