diff --git a/vehicle-data-platform/apps/web/src/pages/Quality.tsx b/vehicle-data-platform/apps/web/src/pages/Quality.tsx
index 58e75635..0f8fc8a6 100644
--- a/vehicle-data-platform/apps/web/src/pages/Quality.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Quality.tsx
@@ -71,7 +71,7 @@ export function Quality({
   onFiltersChange,
   initialFilters = {}
 }: {
-  onOpenVehicle: (vin: string) => void;
+  onOpenVehicle: (vin: string, protocol?: string) => void;
   onHealthLoaded?: (health: OpsHealth) => void;
   onFiltersChange?: (filters: Record<string, string>) => void;
   initialFilters?: Record<string, string>;
@@ -239,7 +239,7 @@ export function Quality({
                   <Space spacing={4}>
                     <Button size="small" icon={<IconCopy />} onClick={() => copyText(row.phone, '手机号')}>手机号</Button>
                     <Button size="small" icon={<IconCopy />} onClick={() => copyText(row.sourceEndpoint, '来源')}>来源</Button>
-                    <Button size="small" disabled={!lookup.key} onClick={() => onOpenVehicle(lookup.key)}>
+                    <Button size="small" disabled={!lookup.key} onClick={() => onOpenVehicle(lookup.key, row.protocol)}>
                       {lookup.label}
                     </Button>
                   </Space>
diff --git a/vehicle-data-platform/apps/web/src/test/App.test.tsx b/vehicle-data-platform/apps/web/src/test/App.test.tsx
index 1d6612a2..abf37326 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -997,6 +997,104 @@ test('renders quality issues as vehicle-service governance labels', async () =>
   expect(screen.getAllByText('车辆服务').length).toBeGreaterThanOrEqual(1);
 });
 
+test('opens vehicle service from quality issue with issue source evidence', async () => {
+  window.history.replaceState(null, '', '/#/quality');
+  vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {
+    const path = String(input);
+    if (path.includes('/api/ops/health')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: { linkHealth: [], kafkaLag: 0, redisOnlineKeys: 0, tdengineWritable: true, mysqlWritable: true, runtime: { requestTimeoutMs: 5000 } },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/quality/summary')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            issueVehicleCount: 1,
+            issueRecordCount: 1,
+            errorCount: 1,
+            warningCount: 0,
+            protocols: [{ name: 'JT808', count: 1 }],
+            issueTypes: [{ name: 'VIN_MISSING', count: 1 }]
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/quality/issues')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            items: [{
+              vin: '',
+              plate: '粤AG18312',
+              phone: '13307795425',
+              sourceEndpoint: '115.231.168.135:43625',
+              protocol: 'JT808',
+              issueType: 'VIN_MISSING',
+              severity: 'error',
+              lastSeen: '2026-07-03 20:12:10',
+              detail: 'JT808 数据缺少 VIN 映射'
+            }],
+            total: 1,
+            limit: 20,
+            offset: 0
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    if (path.includes('/api/vehicle-service/overview')) {
+      return {
+        ok: true,
+        json: async () => ({
+          data: {
+            vin: 'VIN-JT808-QUALITY',
+            plate: '粤AG18312',
+            sourceCount: 1,
+            onlineSourceCount: 1,
+            coverageStatus: 'online',
+            primaryProtocol: 'JT808',
+            lastSeen: '2026-07-03 20:12:10',
+            historyCount: 0,
+            rawCount: 0,
+            mileageCount: 0,
+            qualityIssueCount: 1
+          },
+          traceId: 'trace-test',
+          timestamp: 1783094400000
+        })
+      } as Response;
+    }
+    return {
+      ok: true,
+      json: async () => ({
+        data: { items: [], total: 0, limit: 20, offset: 0 },
+        traceId: 'trace-test',
+        timestamp: 1783094400000
+      })
+    } as Response;
+  });
+
+  render(<App />);
+
+  expect(await screen.findByText('13307795425')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: '按车牌查车' }));
+
+  await waitFor(() => {
+    expect(window.location.hash).toBe('#/detail?keyword=VIN-JT808-QUALITY&protocol=JT808');
+  });
+});
+
 test('drills into quality issues by issue type', async () => {
   window.history.replaceState(null, '', '/#/quality');
   const fetchMock = vi.spyOn(globalThis, 'fetch').mockImplementation(async (input) => {