diff --git a/docs/system-functional-test-cases.md b/docs/system-functional-test-cases.md
index 60c9b07..2bbb9f0 100644
--- a/docs/system-functional-test-cases.md
+++ b/docs/system-functional-test-cases.md
@@ -5018,6 +5018,7 @@ npm run verify:phase8
 | TC-REPORT-WORKBENCH-008 | 短信通道管理进入报备详情 | 使用后端分页，默认按今日发送条数全量降序后分页；可按关键词、状态、运营商及今日发送区间查询；状态弹窗展示当前上下文和放弃风险 |
 | TC-REPORT-WORKBENCH-009 | 导入命中已有签名且用途列未映射或为空 | 识别为补资料；未提供字段保持原值，提供的动态字段覆盖同名值并追加新字段；用途不得被空字符串清空；审核前不改真实签名 |
 | TC-REPORT-WORKBENCH-010 | 在状态记录按批次、操作人、状态、入口、对象和时间搜索 | 返回真实状态记录及操作人；可追溯人工修改来源；分页、空数据、失败和历史无入口记录均正确展示 |
+| TC-REPORT-WORKBENCH-020 | 1600px大屏PC查看状态记录列表 | 列表合并展示“变更对象”、“变更动作”和“操作人 / 时间”，无需左右滚动；备注、修改入口等完整信息仍可在详情弹窗查看，搜索参数和真实API不变 |
 | TC-REPORT-WORKBENCH-011 | 桌面及390px窄屏查看四页和状态弹窗 | 桌面表格可扫描；窄屏核心主体、状态、今日发送和操作可访问，无按钮遮挡；控制台无新增错误，所有业务数据来自真实API/PostgreSQL |
 | TC-REPORT-WORKBENCH-012 | 查看企业签名表头和签名列表 | 签名列不显示升序、降序或其他排序按钮；列表不显示逐行待生成明细字段；默认按创建时间倒序 |
 | TC-REPORT-WORKBENCH-013 | 通道报备明细当前页有10条数据，点击右上角“全选当页” | 当前页10条全部选中，按钮变为“取消全选”，批量数为10；该按钮与“批量修改状态”保持统一操作区间距；翻页或查询后选择清空，不选中其他页面数据 |
diff --git a/src/apps/admin/AdminReportRecordsPage.tsx b/src/apps/admin/AdminReportRecordsPage.tsx
index 0a0d621..f6e55f5 100644
--- a/src/apps/admin/AdminReportRecordsPage.tsx
+++ b/src/apps/admin/AdminReportRecordsPage.tsx
@@ -192,68 +192,65 @@ export function AdminReportRecordsPage() {
     {
       key: 'task',
       title: '报备任务号',
-      width: '190px',
-      render: (record) => <strong className="admin-task-id">{record.taskId}</strong>,
-    },
-    { key: 'channel', title: '通道名称', width: '180px', render: (record) => record.channel?.name ?? '-' },
-    {
-      key: 'targetType',
-      title: '变更主体',
-      width: '110px',
-      render: (record) => (
-        <Tag tone={record.task?.reportType === 'drainage' ? 'info' : 'neutral'}>
-          {record.task?.reportType === 'drainage' ? '引流信息' : '签名'}
-        </Tag>
-      ),
+      width: '160px',
+      render: (record) => <strong className="admin-task-id admin-report-record-id" title={record.taskId}>{record.taskId}</strong>,
     },
+    { key: 'channel', title: '通道名称', width: '130px', render: (record) => record.channel?.name ?? '-' },
     {
       key: 'target',
-      title: '主体内容',
-      width: '260px',
+      title: '变更对象',
+      width: '230px',
       render: (record) =>
         record.task?.reportType === 'drainage' ? (
-          <div className="admin-task-enterprise">
+          <div className="admin-task-enterprise admin-report-record-target">
+            <Tag tone="info">引流信息</Tag>
             <strong>{record.task?.signature?.name ?? '-'}</strong>
             <span>{record.task?.drainageInfo?.url ?? '-'}</span>
-            {record.task?.drainageInfo?.remark ? <span>{record.task.drainageInfo.remark}</span> : null}
           </div>
         ) : (
-          <div className="admin-task-enterprise">
+          <div className="admin-task-enterprise admin-report-record-target">
+            <Tag tone="neutral">签名</Tag>
             <strong>{record.task?.signature?.name ?? '-'}</strong>
-            {record.task?.signature?.purpose ? <span>{record.task.signature.purpose}</span> : null}
           </div>
         ),
     },
-    { key: 'source', title: '修改入口', width: '150px', render: (record) => recordSource(record) },
     {
-      key: 'operator',
-      title: '操作人',
-      width: '140px',
-      render: (record) => record.operator?.displayName ?? record.operator?.username ?? '系统',
+      key: 'action',
+      title: '变更动作',
+      width: '180px',
+      render: (record) => (
+        <div className="admin-report-record-meta">
+          <strong>{actionLabel[record.action] ?? record.action}</strong>
+          <span>{recordSource(record)}</span>
+        </div>
+      ),
     },
-    { key: 'action', title: '动作', width: '170px', render: (record) => actionLabel[record.action] ?? record.action },
     {
       key: 'status',
       title: '状态变化',
-      width: '210px',
+      width: '150px',
       render: (record) => (
         <Tag
           tone={statusTone[record.statusAfter ?? 'pending'] ?? 'info'}
         >{`${translateStatus(record.statusBefore)} → ${translateStatus(record.statusAfter)}`}</Tag>
       ),
     },
-    { key: 'time', title: '记录时间', width: '190px', render: (record) => record.createdAt ?? '-' },
     {
-      key: 'reason',
-      title: '备注',
-      width: '320px',
-      render: (record) => <span className="ui-table__long-text">{record.reason ?? '-'}</span>,
+      key: 'operatorTime',
+      title: '操作人 / 时间',
+      width: '175px',
+      render: (record) => (
+        <div className="admin-report-record-meta">
+          <strong>{record.operator?.displayName ?? record.operator?.username ?? '系统'}</strong>
+          <span>{record.createdAt ?? '-'}</span>
+        </div>
+      ),
     },
     {
       key: 'actions',
       title: '操作',
       align: 'right',
-      width: '120px',
+      width: '76px',
       render: (record) => (
         <Button icon={<Eye size={14} />} onClick={() => setDetail(record)} size="sm" variant="ghost">
           详情
diff --git a/src/apps/admin/ReportWorkbenchPages.test.tsx b/src/apps/admin/ReportWorkbenchPages.test.tsx
index 06238de..66545ce 100644
--- a/src/apps/admin/ReportWorkbenchPages.test.tsx
+++ b/src/apps/admin/ReportWorkbenchPages.test.tsx
@@ -4,6 +4,7 @@ import { beforeEach, describe, expect, it, vi } from 'vitest';
 import { MemoryRouter } from 'react-router-dom';
 import { AdminReportBatchesPage } from './AdminReportBatchesPage';
 import { AdminReportMaterialsPage } from './AdminReportMaterialsPage';
+import { AdminReportRecordsPage } from './AdminReportRecordsPage';
 import { AdminReportTasksPage } from './AdminReportTasksPage';
 
 const { adminApi, clipboardWriteText } = vi.hoisted(() => ({
@@ -18,6 +19,7 @@ const { adminApi, clipboardWriteText } = vi.hoisted(() => ({
     listReportDetailsPage: vi.fn(),
     listReportMaterialBatches: vi.fn(),
     listReportMaterialBatchTasks: vi.fn(),
+    listReportRecordsPage: vi.fn(),
     preflightReportMaterialBatch: vi.fn(),
   },
   clipboardWriteText: vi.fn(),
@@ -171,6 +173,43 @@ describe('report workbench pages', () => {
     );
   });
 
+  it('keeps the report record list compact while retaining full details in the dialog', async () => {
+    adminApi.listReportRecordsPage.mockResolvedValue({
+      items: [{
+        id: 'record-1',
+        taskId: 'report-task-with-a-long-identifier-1',
+        channelId: 'channel-1',
+        action: 'manual_status_change',
+        statusBefore: 'pending',
+        statusAfter: 'approved',
+        reason: '通道已确认报备通过',
+        sourceEntry: 'report_task',
+        createdAt: '2026-09-03 15:30:00',
+        channel: { id: 'channel-1', name: '测试通道' },
+        operator: { id: 'operator-1', username: 'operator', displayName: '运营一' },
+        task: task('record-1'),
+      }],
+      total: 1,
+      page: 1,
+      pageSize: 10,
+    });
+
+    render(
+      <MemoryRouter>
+        <AdminReportRecordsPage />
+      </MemoryRouter>,
+    );
+
+    expect(await screen.findByRole('columnheader', { name: '变更对象' })).toBeVisible();
+    expect(screen.getByRole('columnheader', { name: '变更动作' })).toBeVisible();
+    expect(screen.getByRole('columnheader', { name: '操作人 / 时间' })).toBeVisible();
+    expect(screen.queryByRole('columnheader', { name: '备注' })).not.toBeInTheDocument();
+    expect(screen.getByText('报备任务修改')).toBeVisible();
+
+    await userEvent.click(screen.getByRole('button', { name: '详情' }));
+    expect((await screen.findAllByText('通道已确认报备通过')).length).toBeGreaterThan(0);
+  });
+
   it('shows and copies the channel brief returned by the batch detail API', async () => {
     const batch = {
       id: 'batch-1',
diff --git a/src/styles/admin.css b/src/styles/admin.css
index d862b39..33c989d 100644
--- a/src/styles/admin.css
+++ b/src/styles/admin.css
@@ -304,6 +304,50 @@
   justify-content: flex-end;
 }
 
+.report-record-page .report-task-table-card .ui-table {
+  min-width: 1101px;
+  table-layout: fixed;
+}
+
+.admin-report-record-id {
+  display: block;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.admin-report-record-target .ui-tag {
+  justify-self: start;
+}
+
+.admin-report-record-target strong,
+.admin-report-record-target span,
+.admin-report-record-meta strong,
+.admin-report-record-meta span {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.admin-report-record-target strong,
+.admin-report-record-target span {
+  white-space: nowrap;
+}
+
+.admin-report-record-meta {
+  display: grid;
+  gap: var(--space-1);
+}
+
+.admin-report-record-meta strong {
+  color: var(--color-text-strong);
+}
+
+.admin-report-record-meta span {
+  color: var(--color-text-muted);
+  font-size: var(--font-size-xs);
+  white-space: nowrap;
+}
+
 .admin-task-table-card {
   overflow: hidden;
   padding: 0;