diff --git a/packages/app/src/components/PortraitRadar.vue b/packages/app/src/components/PortraitRadar.vue
index 7e8ee17..796930b 100644
--- a/packages/app/src/components/PortraitRadar.vue
+++ b/packages/app/src/components/PortraitRadar.vue
@@ -3,15 +3,16 @@
 </template>
 
 <script setup lang="ts">
-import { onMounted, watch } from 'vue'
+import { getCurrentInstance, onMounted, watch } from 'vue'
 import { BODY_DIMENSION_LABELS, type BodyPortraitScores } from '@mp-pilates/shared'
 
 const props = defineProps<{ scores: BodyPortraitScores }>()
+const instance = getCurrentInstance()
 const labels = ['肩颈', '脊柱', '核心', '髋骨盆', '下肢']
 const keys = ['cervicalShoulder', 'spinalMobility', 'coreControl', 'hipPelvis', 'lowerLimb'] as const
 
 function draw() {
-  const ctx = uni.createCanvasContext('portraitRadar')
+  const ctx = uni.createCanvasContext('portraitRadar', instance?.proxy)
   const w = 280
   const h = 280
   const cx = w / 2
diff --git a/packages/app/src/pages/admin/portrait-today.vue b/packages/app/src/pages/admin/portrait-today.vue
index 6d3508b..4d9ed8a 100644
--- a/packages/app/src/pages/admin/portrait-today.vue
+++ b/packages/app/src/pages/admin/portrait-today.vue
@@ -4,7 +4,7 @@
     <view class="hero">
       <text class="title">今天有 {{ dashboard.tasks.length }} 件值得关注的事</text>
     </view>
-    <view v-for="task in dashboard.tasks" :key="task.leadId + task.kind" class="card" @tap="openLead(task.leadId)">
+    <view v-for="task in dashboard.tasks" :key="task.leadId + task.kind" class="card" @tap="handleTask(task)">
       <text class="name">{{ task.title }}</text>
       <text class="detail">{{ task.detail }}</text>
     </view>
@@ -24,7 +24,7 @@ import { onShow } from '@dcloudio/uni-app'
 import CustomNavBar from '../../components/CustomNavBar.vue'
 import { getSystemLayout } from '../../utils/system'
 import { useAdminStore } from './stores/admin'
-import type { GrowthTodayDashboard } from '@mp-pilates/shared'
+import type { GrowthTodayDashboard, GrowthTodayTask } from '@mp-pilates/shared'
 
 const navBarHeight = ref(`${getSystemLayout().navBarHeight}px`)
 const admin = useAdminStore()
@@ -34,9 +34,12 @@ onShow(async () => {
   dashboard.value = await admin.fetchGrowthToday()
 })
 
-function openLead(id: string) {
-  if (id.length < 20) return
-  uni.navigateTo({ url: `/pages/admin/portrait-lead-detail?id=${id}` })
+function handleTask(task: GrowthTodayTask) {
+  if (task.kind === 'reassessment_due') {
+    uni.navigateTo({ url: `/pages/admin/portrait-assessment?userId=${task.userId}` })
+  } else if (task.leadId && task.leadId.length >= 20) {
+    uni.navigateTo({ url: `/pages/admin/portrait-lead-detail?id=${task.leadId}` })
+  }
 }
 function navigate(path: string) { uni.navigateTo({ url: path }) }
 </script>
diff --git a/packages/app/src/pages/portrait/advice.vue b/packages/app/src/pages/portrait/advice.vue
index 0e8fcc8..a1cacba 100644
--- a/packages/app/src/pages/portrait/advice.vue
+++ b/packages/app/src/pages/portrait/advice.vue
@@ -17,6 +17,7 @@
 
 <script setup lang="ts">
 import { ref } from 'vue'
+import { storeToRefs } from 'pinia'
 import { onShow } from '@dcloudio/uni-app'
 import CustomNavBar from '../../components/CustomNavBar.vue'
 import SafetyNotice from '../../components/SafetyNotice.vue'
@@ -25,7 +26,7 @@ import { useBodyPortraitStore } from '../../stores/body-portrait'
 
 const navBarHeight = ref(`${getSystemLayout().navBarHeight}px`)
 const portrait = useBodyPortraitStore()
-const report = portrait.report
+const { report } = storeToRefs(portrait)
 
 onShow(() => { portrait.track('advice_viewed') })
 
diff --git a/packages/app/src/pages/portrait/index.vue b/packages/app/src/pages/portrait/index.vue
index db1cbee..8fce6cb 100644
--- a/packages/app/src/pages/portrait/index.vue
+++ b/packages/app/src/pages/portrait/index.vue
@@ -18,6 +18,7 @@
 
 <script setup lang="ts">
 import { ref } from 'vue'
+import { storeToRefs } from 'pinia'
 import { onLoad } from '@dcloudio/uni-app'
 import CustomNavBar from '../../components/CustomNavBar.vue'
 import { getSystemLayout } from '../../utils/system'
@@ -25,7 +26,7 @@ import { useBodyPortraitStore } from '../../stores/body-portrait'
 
 const navBarHeight = ref(`${getSystemLayout().navBarHeight}px`)
 const portrait = useBodyPortraitStore()
-const stats = portrait.stats
+const { stats } = storeToRefs(portrait)
 
 onLoad((query) => {
   portrait.captureAttribution((query || {}) as Record<string, string>)
diff --git a/packages/app/src/pages/portrait/plan.vue b/packages/app/src/pages/portrait/plan.vue
index bfd3065..cc11256 100644
--- a/packages/app/src/pages/portrait/plan.vue
+++ b/packages/app/src/pages/portrait/plan.vue
@@ -16,7 +16,7 @@
     <view v-if="share" class="card">
       <text class="title">{{ share.title }}</text>
       <text class="body">{{ share.caption }}</text>
-      <text v-for="row in share.rows" :key="row.label" class="meta">{{ row.label }} {{ row.first }} → {{ row.latest }}</text>
+      <text v-for="row in share.rows" :key="row.label" class="meta">{{ row.label }} {{ row.first === row.latest ? row.first : `${row.first} → ${row.latest}` }}</text>
     </view>
     <view v-if="plan" class="cta" @tap="makeShare">生成我的成长卡片</view>
     <view v-else class="body">完成到店评估后，教练会为你生成 12 周改善计划。</view>
diff --git a/packages/app/src/pages/portrait/report.vue b/packages/app/src/pages/portrait/report.vue
index 8164ecc..fe9a5c1 100644
--- a/packages/app/src/pages/portrait/report.vue
+++ b/packages/app/src/pages/portrait/report.vue
@@ -28,6 +28,7 @@
 
 <script setup lang="ts">
 import { ref } from 'vue'
+import { storeToRefs } from 'pinia'
 import { onShow } from '@dcloudio/uni-app'
 import CustomNavBar from '../../components/CustomNavBar.vue'
 import PortraitRadar from '../../components/PortraitRadar.vue'
@@ -40,20 +41,18 @@ import { useUserStore } from '../../stores/user'
 const navBarHeight = ref(`${getSystemLayout().navBarHeight}px`)
 const portrait = useBodyPortraitStore()
 const userStore = useUserStore()
-const teaser = portrait.teaser
-const report = portrait.report
-const claimed = portrait.claimed
+const { teaser, report, claimed } = storeToRefs(portrait)
 
 onShow(async () => {
-  if (!portrait.teaser && !portrait.session) {
+  if (!teaser.value && !portrait.session) {
     await portrait.loadMine().catch(() => {})
   }
-  if (portrait.teaser) await portrait.track('report_viewed')
+  if (teaser.value) await portrait.track('report_viewed')
 })
 
 async function continueFlow() {
   try {
-    if (!portrait.claimed) {
+    if (!claimed.value) {
       if (!userStore.loggedIn) await userStore.login()
       await portrait.claim()
     }
diff --git a/packages/app/src/pages/portrait/trial.vue b/packages/app/src/pages/portrait/trial.vue
index 584d5a7..96f2b16 100644
--- a/packages/app/src/pages/portrait/trial.vue
+++ b/packages/app/src/pages/portrait/trial.vue
@@ -20,6 +20,7 @@
 
 <script setup lang="ts">
 import { ref } from 'vue'
+import { storeToRefs } from 'pinia'
 import CustomNavBar from '../../components/CustomNavBar.vue'
 import { getSystemLayout } from '../../utils/system'
 import { getErrorMessage, wxBindPhone } from '../../utils/auth'
@@ -29,7 +30,7 @@ import { useUserStore } from '../../stores/user'
 const navBarHeight = ref(`${getSystemLayout().navBarHeight}px`)
 const portrait = useBodyPortraitStore()
 const userStore = useUserStore()
-const report = portrait.report
+const { report } = storeToRefs(portrait)
 
 async function goTrial() {
   try {
diff --git a/packages/app/src/stores/body-portrait.ts b/packages/app/src/stores/body-portrait.ts
index 7874a27..5a67d43 100644
--- a/packages/app/src/stores/body-portrait.ts
+++ b/packages/app/src/stores/body-portrait.ts
@@ -104,10 +104,11 @@ export const useBodyPortraitStore = defineStore('body-portrait', () => {
 
   async function track(name: string) {
     try {
+      const scopeKey = assessmentId.value || visitToken.value || `anon_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`
       await post('/body-portrait/events', {
         name,
         accessToken: accessToken.value || undefined,
-        idempotencyKey: `${name}:${assessmentId.value || 'anon'}`,
+        idempotencyKey: `${name}:${scopeKey}`.slice(0, 80),
       })
     } catch {
       // tracking must never block the user flow
diff --git a/packages/app/src/stores/booking.ts b/packages/app/src/stores/booking.ts
index e61439f..a98c006 100644
--- a/packages/app/src/stores/booking.ts
+++ b/packages/app/src/stores/booking.ts
@@ -41,7 +41,8 @@ export const useBookingStore = defineStore('booking', () => {
   }
 
   async function createBooking(dto: CreateBookingDto) {
-    const originAssessmentId = dto.originAssessmentId || useBodyPortraitStore().assessmentId || undefined
+    const portraitStore = useBodyPortraitStore()
+    const originAssessmentId = dto.originAssessmentId || (portraitStore.claimed ? portraitStore.assessmentId : undefined)
     const result = await post<BookingWithDetails>('/booking', {
       ...dto,
       ...(originAssessmentId ? { originAssessmentId } : {}),
diff --git a/packages/server/src/body-portrait/__tests__/body-portrait-offline.service.spec.ts b/packages/server/src/body-portrait/__tests__/body-portrait-offline.service.spec.ts
new file mode 100644
index 0000000..c1cc692
--- /dev/null
+++ b/packages/server/src/body-portrait/__tests__/body-portrait-offline.service.spec.ts
@@ -0,0 +1,121 @@
+import { BadRequestException } from '@nestjs/common'
+import { ProfessionalAssessmentKind } from '@mp-pilates/shared'
+import { BodyPortraitOfflineService } from '../body-portrait-offline.service'
+import { PrismaService } from '../../prisma/prisma.service'
+
+describe('BodyPortraitOfflineService', () => {
+  const prisma: any = {
+    user: { findUnique: jest.fn() },
+    booking: { findFirst: jest.fn(), count: jest.fn() },
+    bodyPortraitAssessment: { findFirst: jest.fn() },
+    professionalAssessmentSession: { create: jest.fn(), findMany: jest.fn(), findFirst: jest.fn() },
+    reassessmentTodo: { findFirst: jest.fn(), update: jest.fn(), createMany: jest.fn(), findMany: jest.fn() },
+    trainingPlan: { create: jest.fn(), findMany: jest.fn(), findFirst: jest.fn() },
+    growthShareCard: { create: jest.fn(), findUnique: jest.fn() },
+  }
+  let service: BodyPortraitOfflineService
+
+  beforeEach(() => {
+    jest.resetAllMocks()
+    prisma.user.findUnique.mockResolvedValue({ id: 'u1' })
+    service = new BodyPortraitOfflineService(prisma as unknown as PrismaService)
+  })
+
+  it('rejects assessment recorded in the future based on China timezone', async () => {
+    const futureDate = new Date(Date.now() + 86400000 * 2).toISOString().slice(0, 10)
+    await expect(
+      service.createSession('u1', 'op1', {
+        kind: ProfessionalAssessmentKind.INITIAL,
+        recordedAt: futureDate,
+        observations: {
+          headPosition: 3, shoulderPosition: 3, thoracicExtension: 3, shoulderFlexion: 3,
+          breathing: 3, pelvis: 3, coreControl: 3, hipMobility: 3, singleLeg: 3,
+        },
+        coachSummary: 'test',
+        trainingFocus: 'test',
+        phaseGoal: 'test',
+      }),
+    ).rejects.toThrow(BadRequestException)
+  })
+
+  it('completes only the earliest pending reassessment todo on follow-up session', async () => {
+    const today = new Date(Date.now() + 8 * 3600000).toISOString().slice(0, 10)
+    prisma.professionalAssessmentSession.create.mockResolvedValue({
+      id: 'sess-2',
+      userId: 'u1',
+      kind: ProfessionalAssessmentKind.FOLLOW_UP,
+      protocolVersion: 'offline-v1',
+      recordedAt: new Date(`${today}T00:00:00.000Z`),
+      bookingId: null,
+      originAssessmentId: null,
+      observations: {
+        headPosition: 3, shoulderPosition: 3, thoracicExtension: 3, shoulderFlexion: 3,
+        breathing: 3, pelvis: 3, coreControl: 3, hipMobility: 3, singleLeg: 3,
+      },
+      subjectiveTension: 4,
+      coachSummary: 'progress good',
+      trainingFocus: 'stability',
+      phaseGoal: 'next stage',
+      photoAngle: null,
+    })
+    prisma.reassessmentTodo.findFirst.mockResolvedValue({ id: 'todo-4', lessonCheckpoint: 4 })
+    prisma.reassessmentTodo.update.mockResolvedValue({ id: 'todo-4', completedAt: new Date() })
+
+    const result = await service.createSession('u1', 'op1', {
+      kind: ProfessionalAssessmentKind.FOLLOW_UP,
+      recordedAt: today,
+      observations: {
+        headPosition: 3, shoulderPosition: 3, thoracicExtension: 3, shoulderFlexion: 3,
+        breathing: 3, pelvis: 3, coreControl: 3, hipMobility: 3, singleLeg: 3,
+      },
+      coachSummary: 'progress good',
+      trainingFocus: 'stability',
+      phaseGoal: 'next stage',
+    })
+
+    expect(result.id).toBe('sess-2')
+    expect(prisma.reassessmentTodo.findFirst).toHaveBeenCalledWith({
+      where: { userId: 'u1', completedAt: null },
+      orderBy: { lessonCheckpoint: 'asc' },
+    })
+    expect(prisma.reassessmentTodo.update).toHaveBeenCalledWith({
+      where: { id: 'todo-4' },
+      data: { completedAt: expect.any(Date) },
+    })
+  })
+
+  it('generates baseline share card for single session without false comparison', async () => {
+    const sessDate = new Date('2026-09-01T00:00:00.000Z')
+    prisma.professionalAssessmentSession.findMany.mockResolvedValue([
+      {
+        id: 'sess-1',
+        userId: 'u1',
+        kind: ProfessionalAssessmentKind.INITIAL,
+        protocolVersion: 'offline-v1',
+        recordedAt: sessDate,
+        bookingId: null,
+        originAssessmentId: null,
+        observations: {
+          headPosition: 3, shoulderPosition: 3, thoracicExtension: 3, shoulderFlexion: 3,
+          breathing: 3, pelvis: 3, coreControl: 3, hipMobility: 3, singleLeg: 3,
+        },
+        subjectiveTension: 6,
+        coachSummary: 'initial summary',
+        trainingFocus: 'focus',
+        phaseGoal: 'goal',
+        photoAngle: null,
+      },
+    ])
+    prisma.booking.count.mockResolvedValue(1)
+    prisma.trainingPlan.findFirst.mockResolvedValue({ id: 'p1', weeks: 12 })
+    prisma.growthShareCard.create.mockImplementation(async ({ data }: { data: any }) => ({
+      id: 'card-1',
+      ...data,
+    }))
+
+    const card = await service.createShareCard('u1', false)
+    expect(card.title).toBe('我的第 1 节普拉提')
+    expect(card.caption).toContain('已建立初始身体基准状态')
+    expect(prisma.growthShareCard.create.mock.calls[0][0].data.caption).not.toContain('周前肩颈紧张')
+  })
+})
diff --git a/packages/server/src/body-portrait/__tests__/body-portrait.service.spec.ts b/packages/server/src/body-portrait/__tests__/body-portrait.service.spec.ts
index 3d41ada..3b942ef 100644
--- a/packages/server/src/body-portrait/__tests__/body-portrait.service.spec.ts
+++ b/packages/server/src/body-portrait/__tests__/body-portrait.service.spec.ts
@@ -60,6 +60,7 @@ describe('BodyPortraitService', () => {
       userId: null,
       visitId: 'v1',
       status: BodyPortraitAssessmentStatus.DRAFT,
+      expiresAt: new Date(Date.now() + 10000),
       completedAt: null,
       answers: {
         concerns: ['neck'],
@@ -85,6 +86,18 @@ describe('BodyPortraitService', () => {
     expect(session.report).toBeNull()
     expect(prisma.bodyPortraitAssessment.update.mock.calls[0][0].data.report.scores.cervicalShoulder).toBeGreaterThan(0)
   })
+
+  it('rejects saveAnswers on expired assessment', async () => {
+    prisma.bodyPortraitAssessment.findUnique.mockResolvedValue({
+      id: 'a1',
+      userId: null,
+      visitId: 'v1',
+      status: BodyPortraitAssessmentStatus.EXPIRED,
+      expiresAt: new Date(Date.now() - 1000),
+      answers: {},
+    })
+    await expect(service.saveAnswers('expired-token', { goal: PortraitGoal.CORE })).rejects.toThrow('测评已过期')
+  })
 })
 
 describe('BodyPortraitLifecycleService', () => {
@@ -114,4 +127,20 @@ describe('BodyPortraitLifecycleService', () => {
     expect(prisma.growthEvent.create.mock.calls[0][0].data.idempotencyKey).toBe('trial_purchased:order-1')
     expect(prisma.growthEvent.create.mock.calls[0][0].data.name).toBe(GrowthEventName.TRIAL_PURCHASED)
   })
+
+  it('generates customized follow-up drafts with nickname', () => {
+    const service = new BodyPortraitLifecycleService(prisma as unknown as PrismaService)
+    const draft = service.followUpDraft({
+      nickname: '张同学',
+      report: null,
+    })
+    expect(draft).toContain('张同学你好，')
+    expect(draft).toContain('做一次实际的活动度和动作评估')
+
+    const trialDraft = service.followUpAfterTrialDraft({
+      nickname: '李同学',
+      report: null,
+    })
+    expect(trialDraft).toContain('李同学你好，前两天的普拉提体验课感觉怎么样？')
+  })
 })
diff --git a/packages/server/src/body-portrait/body-portrait-admin.service.ts b/packages/server/src/body-portrait/body-portrait-admin.service.ts
index 9acf3ce..698bd60 100644
--- a/packages/server/src/body-portrait/body-portrait-admin.service.ts
+++ b/packages/server/src/body-portrait/body-portrait-admin.service.ts
@@ -83,7 +83,10 @@ export class BodyPortraitAdminService {
           title: `${lead.user.nickname || '学员'}完成体验课后未购买`,
           detail: '建议回访，确认是否需要 12 周改善计划',
           happenedAt: lead.lastActiveAt.toISOString(),
-          followUpDraft: draft,
+          followUpDraft: this.lifecycle.followUpAfterTrialDraft({
+            nickname: lead.user.nickname,
+            report,
+          }),
         })
       }
     }
diff --git a/packages/server/src/body-portrait/body-portrait-lifecycle.service.ts b/packages/server/src/body-portrait/body-portrait-lifecycle.service.ts
index b572e8f..ef743a6 100644
--- a/packages/server/src/body-portrait/body-portrait-lifecycle.service.ts
+++ b/packages/server/src/body-portrait/body-portrait-lifecycle.service.ts
@@ -163,9 +163,9 @@ export class BodyPortraitLifecycleService {
     sittingHours?: SittingHours | null
     workPosture?: WorkPosture | null
   }): string {
-    const name = input.nickname || '你'
+    const greeting = input.nickname ? `${input.nickname}你好，` : ''
     if (!input.report) {
-      return `看到你刚刚做了身体状态评估。线上只能做基础判断，如果方便的话，可以来工作室做一次实际的活动度和动作评估，我可以再帮你具体看看。`
+      return `${greeting}看到你刚刚做了身体状态评估。线上只能做基础判断，如果方便的话，可以来工作室做一次实际的活动度和动作评估，我可以再帮你具体看看。`
     }
     const top = (Object.entries(input.report.scores) as [BodyDimension, number][])
       .sort((a, b) => b[1] - a[1])[0]
@@ -175,7 +175,16 @@ export class BodyPortraitLifecycleService {
     ].filter(Boolean).join('、')
     const type = PORTRAIT_TYPE_LABELS[input.report.primaryType]
     const dimension = BODY_DIMENSION_LABELS[top[0]]
-    return `看到你刚刚做了身体状态评估，你目前比较明显的是${dimension}相关的关注点，画像更接近「${type}」。${lifestyle ? `如果平时${lifestyle}比较多，这种情况其实很常见。` : ''}线上只能做基础判断，如果方便的话，可以来工作室做一次实际的活动度和动作评估，我可以再帮你具体看看。`.replace(`${name}`, `${name}`)
+    return `${greeting}看到你刚刚做了身体状态评估，你目前比较明显的是${dimension}相关的关注点，画像更接近「${type}」。${lifestyle ? `如果平时${lifestyle}比较多，这种情况其实很常见。` : ''}线上只能做基础判断，如果方便的话，可以来工作室做一次实际的活动度和动作评估，我可以再帮你具体看看。`
+  }
+
+  followUpAfterTrialDraft(input: {
+    nickname: string
+    report: BodyPortraitReport | null
+  }): string {
+    const greeting = input.nickname ? `${input.nickname}你好，` : ''
+    const type = input.report ? `结合你之前的「${PORTRAIT_TYPE_LABELS[input.report.primaryType]}」画像和` : ''
+    return `${greeting}前两天的普拉提体验课感觉怎么样？${type}现场教练观察的情况，我们为你准备了针对性的阶段改善建议。如果有时间可以聊聊你的感受，看看是否需要为你规划后续的训练。`
   }
 
   parseSource(raw?: string | null): BodyPortraitSource {
diff --git a/packages/server/src/body-portrait/body-portrait-offline.service.ts b/packages/server/src/body-portrait/body-portrait-offline.service.ts
index 41b20d2..d49cd04 100644
--- a/packages/server/src/body-portrait/body-portrait-offline.service.ts
+++ b/packages/server/src/body-portrait/body-portrait-offline.service.ts
@@ -54,10 +54,16 @@ export class BodyPortraitOfflineService {
       },
     })
     if (dto.kind === ProfessionalAssessmentKind.FOLLOW_UP) {
-      await this.prisma.reassessmentTodo.updateMany({
+      const nextTodo = await this.prisma.reassessmentTodo.findFirst({
         where: { userId, completedAt: null },
-        data: { completedAt: new Date() },
+        orderBy: { lessonCheckpoint: 'asc' },
       })
+      if (nextTodo) {
+        await this.prisma.reassessmentTodo.update({
+          where: { id: nextTodo.id },
+          data: { completedAt: new Date() },
+        })
+      }
     }
     return this.mapSession(created)
   }
@@ -132,18 +138,23 @@ export class BodyPortraitOfflineService {
     const sessions = await this.listSessions(userId)
     const first = sessions[0]
     const latest = sessions[sessions.length - 1]
+    const hasComparison = sessions.length >= 2
     const completedCount = await this.prisma.booking.count({ where: { userId, status: 'COMPLETED' } })
     const plan = await this.prisma.trainingPlan.findFirst({ where: { userId }, orderBy: { createdAt: 'desc' } })
-    const rows = first && latest ? this.compare(first, latest) : []
+    const rows = hasComparison ? this.compare(first, latest) : this.singleSnapshot(first)
+    let caption = '坚持有时候真的看得见。'
+    if (hasComparison && first?.subjectiveTension != null && latest?.subjectiveTension != null) {
+      caption = `${plan?.weeks || 12} 周前肩颈紧张 ${first.subjectiveTension}/10，现在 ${latest.subjectiveTension}/10。坚持有时候真的看得见。`
+    } else if (!hasComparison && first?.subjectiveTension != null) {
+      caption = `已建立初始身体基准状态，肩颈紧张度 ${first.subjectiveTension}/10。开启专属改善计划。`
+    }
     const created = await this.prisma.growthShareCard.create({
       data: {
         userId,
         planId: plan?.id,
         shareCode: createShareCode(),
         title: `我的第 ${completedCount || 1} 节普拉提`,
-        caption: first && latest && first.subjectiveTension != null && latest.subjectiveTension != null
-          ? `${plan?.weeks || 12} 周前肩颈紧张 ${first.subjectiveTension}/10，现在 ${latest.subjectiveTension}/10。坚持有时候真的看得见。`
-          : '坚持有时候真的看得见。',
+        caption,
         completedCount,
         weeks: plan?.weeks || 12,
         rows: rows as unknown as Prisma.InputJsonValue,
@@ -162,6 +173,29 @@ export class BodyPortraitOfflineService {
     }
   }
 
+  private singleSnapshot(first?: ProfessionalAssessmentSessionRecord) {
+    if (!first) return []
+    const labels: { key: keyof ProfessionalObservationScores; label: string }[] = [
+      { key: 'shoulderFlexion', label: '肩屈活动' },
+      { key: 'singleLeg', label: '单腿稳定' },
+      { key: 'coreControl', label: '核心控制' },
+      { key: 'thoracicExtension', label: '胸椎活动' },
+    ]
+    const rows = labels.map((item) => ({
+      label: item.label,
+      first: `${first.observations[item.key]}/5`,
+      latest: `${first.observations[item.key]}/5`,
+    }))
+    if (first.subjectiveTension != null) {
+      rows.push({
+        label: '肩颈主观紧张',
+        first: `${first.subjectiveTension}/10`,
+        latest: `${first.subjectiveTension}/10`,
+      })
+    }
+    return rows
+  }
+
   private compare(first: ProfessionalAssessmentSessionRecord, latest: ProfessionalAssessmentSessionRecord) {
     const labels: { key: keyof ProfessionalObservationScores; label: string }[] = [
       { key: 'shoulderFlexion', label: '肩屈活动' },
@@ -274,7 +308,8 @@ export class BodyPortraitOfflineService {
     if (!/^\d{4}-\d{2}-\d{2}$/.test(value)) throw new BadRequestException('日期无效')
     const date = new Date(`${value}T00:00:00.000Z`)
     if (Number.isNaN(date.getTime())) throw new BadRequestException('日期无效')
-    if (date.getTime() > Date.now()) throw new BadRequestException('日期不能晚于今天')
+    const todayChina = new Date(Date.now() + 8 * 3600000).toISOString().slice(0, 10)
+    if (value > todayChina) throw new BadRequestException('日期不能晚于今天')
     return date
   }
 }
diff --git a/packages/server/src/body-portrait/body-portrait.rate-limit.ts b/packages/server/src/body-portrait/body-portrait.rate-limit.ts
index 145aa18..decd183 100644
--- a/packages/server/src/body-portrait/body-portrait.rate-limit.ts
+++ b/packages/server/src/body-portrait/body-portrait.rate-limit.ts
@@ -6,9 +6,21 @@ interface Bucket {
 }
 
 const buckets = new Map<string, Bucket>()
+let lastCleanAt = 0
+
+function pruneBuckets(now: number) {
+  if (now - lastCleanAt < 60_000 && buckets.size < 1000) return
+  lastCleanAt = now
+  for (const [key, bucket] of buckets.entries()) {
+    if (bucket.resetAt <= now) {
+      buckets.delete(key)
+    }
+  }
+}
 
 export function assertRateLimit(key: string, limit: number, windowMs = 60 * 60 * 1000) {
   const now = Date.now()
+  pruneBuckets(now)
   const current = buckets.get(key)
   if (!current || current.resetAt <= now) {
     buckets.set(key, { count: 1, resetAt: now + windowMs })
diff --git a/packages/server/src/body-portrait/body-portrait.service.ts b/packages/server/src/body-portrait/body-portrait.service.ts
index 1bc5957..1247975 100644
--- a/packages/server/src/body-portrait/body-portrait.service.ts
+++ b/packages/server/src/body-portrait/body-portrait.service.ts
@@ -117,7 +117,7 @@ export class BodyPortraitService {
     if (assessment.status === BodyPortraitAssessmentStatus.CLAIMED) {
       throw new ForbiddenException('报告已认领，不能再修改')
     }
-    if (assessment.expiresAt < new Date() && assessment.status === BodyPortraitAssessmentStatus.DRAFT) {
+    if (assessment.status === BodyPortraitAssessmentStatus.EXPIRED || assessment.expiresAt < new Date()) {
       throw new BadRequestException('测评已过期，请重新开始')
     }
     const answers = normalizeAnswers(raw as Partial<BodyPortraitAnswers>)
@@ -130,6 +130,9 @@ export class BodyPortraitService {
 
   async complete(accessToken: string): Promise<BodyPortraitSessionResponse> {
     const assessment = await this.assessmentByToken(accessToken)
+    if (assessment.status === BodyPortraitAssessmentStatus.EXPIRED || assessment.expiresAt < new Date()) {
+      throw new BadRequestException('测评已过期，请重新开始')
+    }
     const answers = normalizeAnswers(assessment.answers as Partial<BodyPortraitAnswers>)
     if (!answers.goal || !answers.sittingHours || !answers.exerciseFreq || !answers.workPosture || !answers.safety.length) {
       throw new BadRequestException('请完成必答题后再生成画像')
diff --git a/packages/server/src/booking/__tests__/booking.service.spec.ts b/packages/server/src/booking/__tests__/booking.service.spec.ts
index 1e0ccda..10da4d0 100644
--- a/packages/server/src/booking/__tests__/booking.service.spec.ts
+++ b/packages/server/src/booking/__tests__/booking.service.spec.ts
@@ -160,6 +160,11 @@ function buildTxMock(overrides: Record<string, unknown> = {}) {
     bookingStatusHistory: {
       create: jest.fn(),
     },
+    bodyPortraitAssessment: {
+      findUnique: jest.fn(),
+      findFirst: jest.fn(),
+      update: jest.fn(),
+    },
     ...overrides,
   }
 }
@@ -476,6 +481,58 @@ describe('BookingService', () => {
       expect(result).toBeDefined()
     })
 
+    it('binds anonymous originAssessmentId to current user on booking create', async () => {
+      const tx = buildTxMock()
+      tx.timeSlot.findUnique.mockResolvedValue(mockOpenSlot)
+      tx.booking.findUnique.mockResolvedValue(null)
+      tx.membership.findUnique.mockResolvedValue(mockActiveMembership)
+      tx.bodyPortraitAssessment.findUnique.mockResolvedValue({ id: 'anon-assess', userId: null })
+      tx.bodyPortraitAssessment.update.mockResolvedValue({ id: 'anon-assess', userId: MOCK_USER_ID })
+      tx.booking.create.mockResolvedValue({
+        ...mockConfirmedBooking,
+        originAssessmentId: 'anon-assess',
+        status: BookingStatus.PENDING_CONFIRMATION,
+      })
+
+      ;(prisma.$transaction as jest.Mock).mockImplementation((fn) => fn(tx))
+      ;(prisma.booking.findUnique as jest.Mock).mockResolvedValue({
+        ...mockConfirmedBooking,
+        originAssessmentId: 'anon-assess',
+        status: BookingStatus.PENDING_CONFIRMATION,
+        timeSlot: mockOpenSlot,
+        membership: mockActiveMembership,
+      })
+      ;(prisma.user.findMany as jest.Mock).mockResolvedValue([])
+
+      await service.createBooking(MOCK_USER_ID, { ...dto, originAssessmentId: 'anon-assess' })
+
+      expect(tx.bodyPortraitAssessment.update).toHaveBeenCalledWith({
+        where: { id: 'anon-assess' },
+        data: { userId: MOCK_USER_ID, status: 'CLAIMED', claimedAt: expect.any(Date) },
+      })
+      expect(tx.booking.create).toHaveBeenCalledWith(
+        expect.objectContaining({
+          data: expect.objectContaining({
+            originAssessmentId: 'anon-assess',
+          }),
+        }),
+      )
+    })
+
+    it('rejects originAssessmentId belonging to another user', async () => {
+      const tx = buildTxMock()
+      tx.timeSlot.findUnique.mockResolvedValue(mockOpenSlot)
+      tx.booking.findUnique.mockResolvedValue(null)
+      tx.membership.findUnique.mockResolvedValue(mockActiveMembership)
+      tx.bodyPortraitAssessment.findUnique.mockResolvedValue({ id: 'other-assess', userId: 'someone-else' })
+
+      ;(prisma.$transaction as jest.Mock).mockImplementation((fn) => fn(tx))
+
+      await expect(
+        service.createBooking(MOCK_USER_ID, { ...dto, originAssessmentId: 'other-assess' }),
+      ).rejects.toThrow('画像报告不属于当前用户')
+    })
+
     it('records booking status history when user creates a booking', async () => {
       const nearFullSlot = { ...mockOpenSlot, bookedCount: 4, capacity: 5 }
 
diff --git a/packages/server/src/booking/booking.service.ts b/packages/server/src/booking/booking.service.ts
index 95e6853..776068a 100644
--- a/packages/server/src/booking/booking.service.ts
+++ b/packages/server/src/booking/booking.service.ts
@@ -130,14 +130,24 @@ export class BookingService {
 
       let originAssessmentId: string | undefined
       if (dto.originAssessmentId) {
-        const owned = await tx.bodyPortraitAssessment.findFirst({
-          where: { id: dto.originAssessmentId, userId },
-          select: { id: true },
+        const assessment = await tx.bodyPortraitAssessment.findUnique({
+          where: { id: dto.originAssessmentId },
+          select: { id: true, userId: true },
         })
-        if (!owned) {
-          throw new ForbiddenException('画像报告不属于当前用户')
+        if (assessment) {
+          if (!assessment.userId) {
+            // 匿名画像在约课时绑定给当前用户
+            await tx.bodyPortraitAssessment.update({
+              where: { id: assessment.id },
+              data: { userId, status: 'CLAIMED', claimedAt: new Date() },
+            })
+            originAssessmentId = assessment.id
+          } else if (assessment.userId === userId) {
+            originAssessmentId = assessment.id
+          } else {
+            throw new ForbiddenException('画像报告不属于当前用户')
+          }
         }
-        originAssessmentId = owned.id
       }
 
       // 5. Create booking or revive a previously cancelled booking.