diff --git a/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts b/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
index c9edf69c..30e084c2 100644
--- a/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
+++ b/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
@@ -346,6 +346,10 @@ describe('V2 production entry', () => {
     expect(corePageSources.OperationsPage).toContain('<Card className="v2-ops-overview"');
     expect(corePageSources.OperationsPage).toContain("from '../shared/WorkspaceMetricRail'");
     expect(corePageSources.OperationsPage).toContain('<WorkspaceMetricRail');
+    expect(workspaceMetricRailSource).toContain("variant: 'queue'");
+    expect(workspaceMetricRailSource).not.toContain('CardGroup');
+    expect(workspaceMetricRailSource).not.toContain('primaryValueClassName');
+    expect(workspaceMetricRailSource).not.toContain('secondaryClassName');
     expect(corePageSources.OperationsPage).not.toContain('<OpsMetric');
     expect(corePageSources.OperationsPage).toContain('<Card className="v2-ops-panel v2-ops-links"');
     expect(corePageSources.OperationsPage).toContain('<article className={`v2-ops-link-card');
@@ -484,9 +488,9 @@ describe('V2 production entry', () => {
     expect(corePageSources.StatisticsPage).toContain('<PanelEmpty className="v2-mileage-empty"');
     expect(corePageSources.StatisticsPage).not.toContain('<table className="v2-mileage-table"');
     expect(corePageSources.StatisticsPage).not.toContain('<input');
-    expect(workspaceMetricRailSource).toContain("import { Button, Card, CardGroup } from '@douyinfe/semi-ui'");
-    expect(workspaceMetricRailSource).toContain('<Card className={className}');
-    expect(workspaceMetricRailSource).toContain('<CardGroup className={secondaryClassName}');
+    expect(workspaceMetricRailSource).toContain("import { Button, Card } from '@douyinfe/semi-ui'");
+    expect(workspaceMetricRailSource).not.toContain('CardGroup');
+    expect(workspaceMetricRailSource).not.toContain('secondaryClassName');
     expect(workspaceMetricRailSource).toContain("variant: 'queue'");
     expect(workspaceMetricRailSource).toContain('className={`v2-workspace-metric-rail is-queue');
     expect(workspaceMetricRailSource).toContain('className="v2-workspace-metric-action"');
diff --git a/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.test.tsx b/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.test.tsx
index d4014ae0..77e8c2ca 100644
--- a/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.test.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.test.tsx
@@ -3,28 +3,7 @@ import { describe, expect, it, vi } from 'vitest';
 import { WorkspaceMetricRail } from './WorkspaceMetricRail';
 
 describe('WorkspaceMetricRail', () => {
-  it('renders one primary outcome and supporting facts as accessible Semi cards', () => {
-    const view = render(<WorkspaceMetricRail
-      ariaLabel="查询统计"
-      className="test-rail"
-      cardClassName="test-card"
-      secondaryClassName="test-secondary"
-      primaryValueClassName="test-primary-value"
-      primary={{ label: '结果行数', value: '1,024', note: '来自 20 辆车辆' }}
-      secondary={[
-        { label: '车辆数', value: '20', note: '当前授权范围', className: 'is-vehicles' },
-        { label: '数据来源', value: 'GB32960', note: '全部协议来源', className: 'is-sources' }
-      ]}
-    />);
-
-    expect(view.container.querySelector('.test-rail.semi-card')).toHaveAttribute('aria-label', '查询统计');
-    expect(view.container.querySelector('.test-card.is-primary .test-primary-value')).toHaveTextContent('1,024');
-    expect(view.container.querySelector('.test-secondary.semi-card-group')).toBeInTheDocument();
-    expect(view.container.querySelectorAll('.test-card.semi-card')).toHaveLength(3);
-    expect(screen.getByLabelText('车辆数：20；当前授权范围')).toHaveClass('is-vehicles');
-  });
-
-  it('renders a list-first queue variant inside one Semi card', () => {
+  it('renders one accessible, list-first Semi metric rail', () => {
     const view = render(<WorkspaceMetricRail
       variant="queue"
       ariaLabel="处置队列概览"
diff --git a/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.tsx b/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.tsx
index 1fbcb32d..c19a4577 100644
--- a/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/shared/WorkspaceMetricRail.tsx
@@ -1,13 +1,6 @@
-import { Button, Card, CardGroup } from '@douyinfe/semi-ui';
+import { Button, Card } from '@douyinfe/semi-ui';
 import type { ReactNode } from 'react';
 
-export type WorkspaceMetricRailItem = {
-  label: string;
-  value: ReactNode;
-  note: string;
-  className?: string;
-};
-
 export type WorkspaceQueueMetricRailItem = {
   label: string;
   value: ReactNode;
@@ -19,16 +12,6 @@ export type WorkspaceQueueMetricRailItem = {
   onClick?: () => void;
 };
 
-type WorkspaceSummaryMetricRailProps = {
-  ariaLabel: string;
-  primary: WorkspaceMetricRailItem;
-  secondary: WorkspaceMetricRailItem[];
-  className: string;
-  cardClassName: string;
-  secondaryClassName: string;
-  primaryValueClassName?: string;
-};
-
 type WorkspaceQueueMetricRailProps = {
   variant: 'queue';
   ariaLabel: string;
@@ -37,73 +20,41 @@ type WorkspaceQueueMetricRailProps = {
   context?: ReactNode;
 };
 
-export function WorkspaceMetricRail(props: WorkspaceSummaryMetricRailProps | WorkspaceQueueMetricRailProps) {
-  if ('items' in props) {
-    const hasContext = props.context != null;
-    return <Card className={`v2-workspace-metric-rail is-queue${hasContext ? ' has-context' : ''} ${props.className}`} bodyStyle={{ padding: 0 }}>
-      <div className="v2-workspace-metric-list" role="list" aria-label={props.ariaLabel}>
-        {props.items.map((item, index) => {
-          const toneClassName = `is-${item.tone ?? 'neutral'}`;
-          const emphasisClassName = `is-${item.emphasis ?? (index < 2 ? 'primary' : 'secondary')}`;
-          const classes = [
-            toneClassName,
-            emphasisClassName !== toneClassName ? emphasisClassName : '',
-            item.onClick ? 'is-action' : '',
-            item.active ? 'is-active' : ''
-          ].filter(Boolean).join(' ');
-          const content = <>
-            <small>{item.label}</small>
-            <strong>{item.value}</strong>
-            {item.note ? <em>{item.note}</em> : null}
-          </>;
-          return <span
-            className={classes}
-            role="listitem"
-            key={item.label}
-          >
-            {item.onClick ? <Button
-              className="v2-workspace-metric-action"
-              theme="borderless"
-              type="tertiary"
-              htmlType="button"
-              aria-label={item.ariaLabel}
-              aria-pressed={item.active}
-              onClick={item.onClick}
-            >{content}</Button> : content}
-          </span>;
-        })}
-      </div>
-      {hasContext ? <div className="v2-workspace-metric-context">{props.context}</div> : null}
-    </Card>;
-  }
-
-  const {
-    ariaLabel,
-    primary,
-    secondary,
-    className,
-    cardClassName,
-    secondaryClassName,
-    primaryValueClassName
-  } = props;
-  const cardClass = (item: WorkspaceMetricRailItem, primaryCard = false) => [
-    cardClassName,
-    primaryCard ? 'is-primary' : '',
-    item.className ?? ''
-  ].filter(Boolean).join(' ');
-
-  return <Card className={className} aria-label={ariaLabel} bodyStyle={{ padding: 0 }}>
-    <Card className={cardClass(primary, true)} bodyStyle={{ padding: 0 }} aria-label={`${primary.label}：${primary.value}；${primary.note}`}>
-      <small>{primary.label}</small>
-      <strong className={primaryValueClassName}>{primary.value}</strong>
-      <span title={primary.note}>{primary.note}</span>
-    </Card>
-    <CardGroup className={secondaryClassName} type="grid" spacing={0}>
-      {secondary.map((item) => <Card className={cardClass(item)} bodyStyle={{ padding: 0 }} aria-label={`${item.label}：${item.value}；${item.note}`} key={item.label}>
-        <small>{item.label}</small>
-        <strong>{item.value}</strong>
-        <span title={item.note}>{item.note}</span>
-      </Card>)}
-    </CardGroup>
+export function WorkspaceMetricRail(props: WorkspaceQueueMetricRailProps) {
+  const hasContext = props.context != null;
+  return <Card className={`v2-workspace-metric-rail is-queue${hasContext ? ' has-context' : ''} ${props.className}`} bodyStyle={{ padding: 0 }}>
+    <div className="v2-workspace-metric-list" role="list" aria-label={props.ariaLabel}>
+      {props.items.map((item, index) => {
+        const toneClassName = `is-${item.tone ?? 'neutral'}`;
+        const emphasisClassName = `is-${item.emphasis ?? (index < 2 ? 'primary' : 'secondary')}`;
+        const classes = [
+          toneClassName,
+          emphasisClassName !== toneClassName ? emphasisClassName : '',
+          item.onClick ? 'is-action' : '',
+          item.active ? 'is-active' : ''
+        ].filter(Boolean).join(' ');
+        const content = <>
+          <small>{item.label}</small>
+          <strong>{item.value}</strong>
+          {item.note ? <em>{item.note}</em> : null}
+        </>;
+        return <span
+          className={classes}
+          role="listitem"
+          key={item.label}
+        >
+          {item.onClick ? <Button
+            className="v2-workspace-metric-action"
+            theme="borderless"
+            type="tertiary"
+            htmlType="button"
+            aria-label={item.ariaLabel}
+            aria-pressed={item.active}
+            onClick={item.onClick}
+          >{content}</Button> : content}
+        </span>;
+      })}
+    </div>
+    {hasContext ? <div className="v2-workspace-metric-context">{props.context}</div> : null}
   </Card>;
 }