diff --git a/apps/web/lib/xiaobao-risk.test.ts b/apps/web/lib/xiaobao-risk.test.ts
index b80ccea..78d9dfe 100644
--- a/apps/web/lib/xiaobao-risk.test.ts
+++ b/apps/web/lib/xiaobao-risk.test.ts
@@ -4,6 +4,7 @@ import { calcXiaobaoVersionRisk } from './xiaobao-risk';
 import type { DevTask } from './dev-task';
 import type { TestCase } from './test-case';
 import type { Bug } from './bug';
+import type { VersionDailyEvidence } from './xiaobao-risk-evidence';
 
 function version(patch: any = {}) {
   return {
@@ -104,3 +105,26 @@ test('calcXiaobaoVersionRisk marks blocked when critical Bug / blocked dev task
   assert.ok(risk.reasons.some((reason: { key: string }) => reason.key === 'critical_bug'));
   assert.ok(risk.reasons.some((reason: { key: string }) => reason.key === 'blocked_work'));
 });
+
+test('calcXiaobaoVersionRisk preserves daily evidence on the returned risk object', () => {
+  const dailyEvidence: VersionDailyEvidence = {
+    todayDeliveries: [{ id: 'ev-1', title: '提交提测', summary: '完成核心流程', occurredAt: '2026-07-02T02:00:00.000Z' }],
+    todayProgress: [],
+    todayRisks: [],
+    progressNotes: [],
+    needsProgressItems: [],
+    recentActivityCount: 1,
+    lastActivityAt: '2026-07-02T02:00:00.000Z',
+  };
+
+  const risk = calcXiaobaoVersionRisk({
+    version: version(),
+    devTasks: [],
+    testCases: [],
+    bugs: [],
+    dailyEvidence,
+    now: new Date('2026-07-02T01:00:00.000Z'),
+  });
+
+  assert.equal(risk.dailyEvidence, dailyEvidence);
+});
diff --git a/apps/web/lib/xiaobao-risk.ts b/apps/web/lib/xiaobao-risk.ts
index c647a95..0b151e6 100644
--- a/apps/web/lib/xiaobao-risk.ts
+++ b/apps/web/lib/xiaobao-risk.ts
@@ -3,6 +3,7 @@ import type { DevTask } from './dev-task';
 import { STATUS_PROGRESS, getEstimateHours } from './dev-task';
 import type { TestCase } from './test-case';
 import { getTestCaseEstimateHours } from './test-case';
+import type { VersionDailyEvidence } from './xiaobao-risk-evidence';
 import { WORK_HOURS, addWorkHours } from './work-hours';
 
 export type XiaobaoRiskLevel = 'on_track' | 'attention' | 'at_risk' | 'likely_delayed' | 'blocked';
@@ -55,6 +56,7 @@ export interface XiaobaoVersionRisk {
   remainingWorkHours: number;
   reasons: RiskReason[];
   silentRisks: SilentRisk[];
+  dailyEvidence?: VersionDailyEvidence;
   signals: XiaobaoRiskSignals;
   trend: {
     direction: 'up' | 'down' | 'flat' | 'unknown';
@@ -71,6 +73,7 @@ export interface CalcXiaobaoVersionRiskInput {
   now?: Date;
   snapshots?: Array<{ riskScore: number; createdAt?: string; date?: string }>;
   silentRisks?: SilentRisk[];
+  dailyEvidence?: VersionDailyEvidence;
   recentActivityCount?: number;
   lastActivityAt?: string;
 }
@@ -197,6 +200,7 @@ export function calcXiaobaoVersionRisk(input: CalcXiaobaoVersionRiskInput): Xiao
     remainingWorkHours,
     reasons,
     silentRisks,
+    dailyEvidence: input.dailyEvidence,
     signals,
     trend,
   };