diff --git a/app/api/dingtalk/h5-login/route.test.ts b/app/api/dingtalk/h5-login/route.test.ts
index 69025de..fd83002 100644
--- a/app/api/dingtalk/h5-login/route.test.ts
+++ b/app/api/dingtalk/h5-login/route.test.ts
@@ -14,6 +14,19 @@ jest.mock('@/lib/dingtalk-login', () => ({
 
 jest.mock('@/lib/dingtalk-performance-session', () => ({
   createDingtalkPerformanceSessionToken: jest.fn(),
+  resolveDingtalkPerformanceSessionScope: jest.fn((redirectPath: string) => {
+    const url = new URL(redirectPath, 'https://performance-survey.test')
+    const segments = url.pathname.split('/').filter(Boolean)
+    const surveyId = segments[2] || ''
+    const targetId = url.searchParams.get('targetId')?.trim() || ''
+    if (segments[0] === 'performance-survey' && segments[1] === 'survey' && surveyId && targetId) {
+      return { kind: 'assignment', surveyId, targetId }
+    }
+    if (segments[0] === 'performance-survey' && segments[1] === 'results' && surveyId) {
+      return { kind: 'results', surveyId, targetId: targetId || null }
+    }
+    return null
+  }),
 }))
 
 jest.mock('@/lib/public-app-url', () => ({
@@ -21,7 +34,9 @@ jest.mock('@/lib/public-app-url', () => ({
 }))
 
 jest.mock('@/lib/safe-redirect', () => ({
-  normalizeInternalRedirectPath: jest.fn((_value: unknown, fallback: string) => fallback),
+  normalizeInternalRedirectPath: jest.fn((value: unknown, fallback: string) => (
+    typeof value === 'string' && value.startsWith('/') ? value : fallback
+  )),
 }))
 
 describe('DingTalk H5 public login body limit', () => {
@@ -121,6 +136,7 @@ describe('DingTalk H5 public login body limit', () => {
     expect(authorizeDingtalkH5UserForNextAuth).toHaveBeenCalledWith('short-code', {
       appSource: 'workNotice',
       clientIp: null,
+      allowRestrictedPerformanceAccess: true,
     })
   })
 })
diff --git a/app/api/dingtalk/h5-login/route.ts b/app/api/dingtalk/h5-login/route.ts
index 745956e..b39ee07 100644
--- a/app/api/dingtalk/h5-login/route.ts
+++ b/app/api/dingtalk/h5-login/route.ts
@@ -3,7 +3,10 @@ import {
   authorizeDingtalkH5UserForNextAuth,
   loginDingtalkUserByH5AuthCode,
 } from '@/lib/dingtalk-login'
-import { createDingtalkPerformanceSessionToken } from '@/lib/dingtalk-performance-session'
+import {
+  createDingtalkPerformanceSessionToken,
+  resolveDingtalkPerformanceSessionScope,
+} from '@/lib/dingtalk-performance-session'
 import { DINGTALK_PERFORMANCE_SESSION_COOKIE } from '@/lib/dingtalk-performance-session-constants'
 import { getPublicAppOrigin } from '@/lib/public-app-url'
 import { normalizeInternalRedirectPath } from '@/lib/safe-redirect'
@@ -435,8 +438,16 @@ async function handleH5LoginPage(request: NextRequest, code: string) {
       const user = await authorizeDingtalkH5UserForNextAuth(code, {
         appSource: 'workNotice',
         clientIp,
+        allowRestrictedPerformanceAccess: true,
       })
-      const token = createDingtalkPerformanceSessionToken(user)
+      const performanceScope = resolveDingtalkPerformanceSessionScope(redirectPath)
+      if (!performanceScope) {
+        return createH5LoginErrorPage('当前通知没有可验证的考核调研项，请从最新的待填写通知重新进入。')
+      }
+      const token = createDingtalkPerformanceSessionToken(
+        user,
+        performanceScope,
+      )
       return createPerformanceSurveySessionTransferPage({ request, redirectPath, token })
     }
 
diff --git a/app/api/performance-survey/[...path]/route.ts b/app/api/performance-survey/[...path]/route.ts
index 885925e..7a6d8ca 100644
--- a/app/api/performance-survey/[...path]/route.ts
+++ b/app/api/performance-survey/[...path]/route.ts
@@ -4,6 +4,7 @@ import { NextResponse } from 'next/server'
 import { authOptions } from '@/lib/auth'
 import {
   DINGTALK_PERFORMANCE_SESSION_HEADER,
+  type DingtalkPerformanceSessionScope,
   verifyDingtalkPerformanceSessionToken,
 } from '@/lib/dingtalk-performance-session'
 import { DINGTALK_PERFORMANCE_SESSION_COOKIE } from '@/lib/dingtalk-performance-session-constants'
@@ -103,28 +104,90 @@ function readDingtalkPerformanceToken(request: Request) {
 }
 
 async function getSession(request: Request): Promise<Session | null> {
-  const session = await getServerSession(authOptions)
-  if ((session?.user as any)?.id) {
-    return session
+  // 钉钉工作通知会话必须优先于浏览器里可能残留的素材库/品牌中心会话。
+  // 否则用户从他人的评分通知进入时，API 会把旧的普通登录身份当成当前评分人。
+  const performanceToken = readDingtalkPerformanceToken(request)
+  if (performanceToken) {
+    const payload = verifyDingtalkPerformanceSessionToken(performanceToken)
+    if (!payload) return null
+
+    return {
+      user: {
+        id: payload.userId,
+        email: payload.email,
+        name: payload.name,
+        avatar: payload.avatar || null,
+        role: payload.role,
+        department: payload.department || '',
+        managedDepartment: payload.managedDepartment || null,
+        isSuperAdmin: payload.isSuperAdmin ?? false,
+      },
+      expires: new Date(payload.exp * 1000).toISOString(),
+      dingtalkPerformanceScope: payload.scope,
+    } as Session & { dingtalkPerformanceScope: DingtalkPerformanceSessionScope }
   }
 
-  const payload = verifyDingtalkPerformanceSessionToken(readDingtalkPerformanceToken(request))
-  if (!payload) {
-    return session
+  return getServerSession(authOptions)
+}
+
+function getDingtalkPerformanceScope(session: Session | null) {
+  return (session as (Session & {
+    dingtalkPerformanceScope?: DingtalkPerformanceSessionScope
+  }) | null)?.dingtalkPerformanceScope || null
+}
+
+function assertScopedGetAccess(
+  session: Session | null,
+  path: string[],
+  searchParams: URLSearchParams,
+) {
+  const scope = getDingtalkPerformanceScope(session)
+  if (!scope || scope.kind === 'workspace') return
+  if (path.length === 0 || (path.length === 1 && path[0] === 'me')) return
+
+  const targetId = searchParams.get('targetId')?.trim() || ''
+  if (
+    scope.kind === 'assignment'
+    && path.length === 2
+    && path[0] === 'surveys'
+    && path[1] === scope.surveyId
+    && targetId === scope.targetId
+  ) {
+    return
   }
 
-  return {
-    user: {
-      id: payload.userId,
-      email: payload.email,
-      name: payload.name,
-      avatar: payload.avatar || null,
-      role: payload.role,
-      department: payload.department || '',
-      managedDepartment: payload.managedDepartment || null,
-      isSuperAdmin: payload.isSuperAdmin ?? false,
-    },
-    expires: new Date(payload.exp * 1000).toISOString(),
+  const isScopedResultsPath = scope.kind === 'results' && (
+    (path.length === 2 && path[0] === 'results' && path[1] === scope.surveyId)
+    || (path.length === 3 && path[0] === 'surveys' && path[1] === scope.surveyId && path[2] === 'results')
+  )
+  if (isScopedResultsPath && (!scope.targetId || targetId === scope.targetId)) return
+
+  throw new PerformanceSurveyApiError('当前钉钉通知仅允许访问对应的考核调研项', 403)
+}
+
+function assertScopedPostAccess(session: Session | null, path: string[]) {
+  const scope = getDingtalkPerformanceScope(session)
+  if (!scope || scope.kind === 'workspace') return null
+  if (scope.kind !== 'assignment') {
+    throw new PerformanceSurveyApiError('当前钉钉通知不包含评分权限', 403)
+  }
+
+  const isScopedSubmission = path[0] === 'surveys'
+    && path[1] === scope.surveyId
+    && (
+      (path.length === 3 && (path[2] === 'responses' || path[2] === 'work-item-scores'))
+      || (path.length === 5 && path[2] === 'work-items' && Boolean(path[3]) && path[4] === 'scores')
+    )
+  if (!isScopedSubmission) {
+    throw new PerformanceSurveyApiError('当前钉钉通知仅允许提交对应的考核调研项', 403)
+  }
+  return scope
+}
+
+function assertScopedAdministrativeMutation(session: Session | null) {
+  const scope = getDingtalkPerformanceScope(session)
+  if (scope && scope.kind !== 'workspace') {
+    throw new PerformanceSurveyApiError('当前钉钉通知不包含管理权限', 403)
   }
 }
 
@@ -137,6 +200,7 @@ export async function GET(request: Request, context: RouteContext) {
     const session = await getSession(request)
     const path = getPath(context)
     const url = new URL(request.url)
+    assertScopedGetAccess(session, path, url.searchParams)
 
     if (path.length === 0 || path[0] === 'me') {
       return ok(await getPerformanceSurveyMe(session))
@@ -175,7 +239,7 @@ export async function GET(request: Request, context: RouteContext) {
     }
 
     if (path[0] === 'surveys' && path[1] && path.length === 2) {
-      return ok(await getPerformanceSurveyDetail(session, path[1]))
+      return ok(await getPerformanceSurveyDetail(session, path[1], url.searchParams.get('targetId')))
     }
 
     if (path[0] === 'surveys' && path[1] && path[2] === 'results') {
@@ -236,6 +300,7 @@ export async function POST(request: Request, context: RouteContext) {
   try {
     const session = await getSession(request)
     const path = getPath(context)
+    const assignmentScope = assertScopedPostAccess(session, path)
 
     if (path[0] === 'surveys' && path[1] && path[2] === 'work-items' && path.length === 3) {
       return ok(await createPerformanceSurveyWorkItemFromRequest(session, path[1], request), { status: 201 })
@@ -252,15 +317,21 @@ export async function POST(request: Request, context: RouteContext) {
     }
 
     if (path[0] === 'surveys' && path[1] && path[2] === 'responses') {
-      return ok(await submitPerformanceSurveyResponse(session, path[1], body))
+      return ok(await submitPerformanceSurveyResponse(session, path[1], body, assignmentScope?.targetId))
     }
 
     if (path[0] === 'surveys' && path[1] && path[2] === 'work-item-scores' && path.length === 3) {
-      return ok(await submitPerformanceSurveyWorkItemScores(session, path[1], body))
+      return ok(await submitPerformanceSurveyWorkItemScores(session, path[1], body, assignmentScope?.targetId))
     }
 
     if (path[0] === 'surveys' && path[1] && path[2] === 'work-items' && path[3] && path[4] === 'scores') {
-      return ok(await submitPerformanceSurveyWorkItemScore(session, path[1], path[3], body))
+      return ok(await submitPerformanceSurveyWorkItemScore(
+        session,
+        path[1],
+        path[3],
+        body,
+        assignmentScope?.targetId,
+      ))
     }
 
     if (
@@ -333,6 +404,7 @@ export async function POST(request: Request, context: RouteContext) {
 export async function PATCH(request: Request, context: RouteContext) {
   try {
     const session = await getSession(request)
+    assertScopedAdministrativeMutation(session)
     const path = getPath(context)
     const body = await request.json().catch(() => ({}))
 
@@ -361,6 +433,7 @@ export async function PATCH(request: Request, context: RouteContext) {
 export async function DELETE(request: Request, context: RouteContext) {
   try {
     const session = await getSession(request)
+    assertScopedAdministrativeMutation(session)
     const path = getPath(context)
     const body = await request.json().catch(() => ({}))
 
diff --git a/app/dingtalk-entry/DingtalkEntryClient.tsx b/app/dingtalk-entry/DingtalkEntryClient.tsx
index ac2d472..e460936 100644
--- a/app/dingtalk-entry/DingtalkEntryClient.tsx
+++ b/app/dingtalk-entry/DingtalkEntryClient.tsx
@@ -144,7 +144,12 @@ export default function DingtalkEntryClient({ corpId, redirectPath }: DingtalkEn
 
       try {
         setMessage('正在打开页面...')
-        if (await hasActiveSession()) {
+        // 绩效通知必须重新走 workNotice 免登，不能因为浏览器里已有素材库会话
+        // 就直接打开普通会话。否则外部人员会被素材库会话带回默认素材库页面，
+        // 也无法把本次通知对应的 surveyId/targetId 绑定到评分权限。
+        const isPerformanceSurveyNotice = redirectPath === '/performance-survey'
+          || redirectPath.startsWith('/performance-survey/')
+        if (!isPerformanceSurveyNotice && await hasActiveSession()) {
           window.location.replace(redirectPath)
           return
         }
diff --git a/app/performance-survey/[[...path]]/page.tsx b/app/performance-survey/[[...path]]/page.tsx
index bf57b4d..21d3c9c 100644
--- a/app/performance-survey/[[...path]]/page.tsx
+++ b/app/performance-survey/[[...path]]/page.tsx
@@ -5099,7 +5099,10 @@ function SurveySubmit({ surveyId, session, canCreateSurvey }: { surveyId: string
   const router = useRouter()
   const searchParams = useSearchParams()
   const targetIdParam = searchParams.get('targetId')
-  const detail = useApi<any>(`/surveys/${surveyId}`, [surveyId])
+  const detailPath = targetIdParam
+    ? `/surveys/${surveyId}?targetId=${encodeURIComponent(targetIdParam)}`
+    : `/surveys/${surveyId}`
+  const detail = useApi<any>(detailPath, [detailPath])
   const [targetId, setTargetId] = useState(targetIdParam || '')
   const [scores, setScores] = useState<Record<string, number>>({})
   const [comment, setComment] = useState('')
diff --git a/lib/__tests__/performance-survey-sync-route.test.ts b/lib/__tests__/performance-survey-sync-route.test.ts
index 65b78a6..fc998f9 100644
--- a/lib/__tests__/performance-survey-sync-route.test.ts
+++ b/lib/__tests__/performance-survey-sync-route.test.ts
@@ -1,11 +1,14 @@
 /** @jest-environment node */
 
 import { getServerSession } from 'next-auth'
-import { POST } from '@/app/api/performance-survey/[...path]/route'
+import { GET, POST } from '@/app/api/performance-survey/[...path]/route'
 import {
+  getPerformanceSurveyDetail,
   previewPerformanceSurveyEmployeeProfiles,
+  submitPerformanceSurveyResponse,
   syncPerformanceSurveyEmployeeProfiles,
 } from '@/lib/performance-survey-service'
+import { verifyDingtalkPerformanceSessionToken } from '@/lib/dingtalk-performance-session'
 
 jest.mock('next-auth', () => ({
   getServerSession: jest.fn(),
@@ -29,7 +32,9 @@ jest.mock('@/lib/performance-survey-service', () => ({
       this.status = status
     }
   },
+  getPerformanceSurveyDetail: jest.fn(),
   previewPerformanceSurveyEmployeeProfiles: jest.fn(),
+  submitPerformanceSurveyResponse: jest.fn(),
   syncPerformanceSurveyEmployeeProfiles: jest.fn(),
 }))
 
@@ -40,6 +45,91 @@ describe('performance survey employee sync route', () => {
       user: { id: 'admin-1' },
       expires: '2099-01-01T00:00:00.000Z',
     })
+    ;(verifyDingtalkPerformanceSessionToken as jest.Mock).mockReturnValue(null)
+  })
+
+  test('钉钉评分凭证优先于浏览器普通会话并绑定指定评价对象', async () => {
+    ;(verifyDingtalkPerformanceSessionToken as jest.Mock).mockReturnValue({
+      userId: 'external-1',
+      email: 'external@example.com',
+      name: '跨部门同事',
+      avatar: null,
+      role: 'USER',
+      department: '运营中心',
+      managedDepartment: null,
+      isSuperAdmin: false,
+      exp: Math.floor(Date.now() / 1000) + 3600,
+      scope: { kind: 'assignment', surveyId: 'survey-1', targetId: 'target-1' },
+    })
+    ;(getPerformanceSurveyDetail as jest.Mock).mockResolvedValue({ id: 'survey-1' })
+
+    const response = await GET(
+      new Request('https://example.test/api/performance-survey/surveys/survey-1?targetId=target-1', {
+        headers: { 'x-performance-token': 'signed-token' },
+      }),
+      { params: { path: ['surveys', 'survey-1'] } },
+    )
+
+    expect(response.status).toBe(200)
+    expect(getServerSession).not.toHaveBeenCalled()
+    expect(getPerformanceSurveyDetail).toHaveBeenCalledWith(
+      expect.objectContaining({ user: expect.objectContaining({ id: 'external-1' }) }),
+      'survey-1',
+      'target-1',
+    )
+  })
+
+  test('钉钉评分凭证不能读取通知以外的评价对象', async () => {
+    ;(verifyDingtalkPerformanceSessionToken as jest.Mock).mockReturnValue({
+      userId: 'external-1',
+      email: 'external@example.com',
+      name: '跨部门同事',
+      role: 'USER',
+      exp: Math.floor(Date.now() / 1000) + 3600,
+      scope: { kind: 'assignment', surveyId: 'survey-1', targetId: 'target-1' },
+    })
+
+    const response = await GET(
+      new Request('https://example.test/api/performance-survey/surveys/survey-1?targetId=target-other', {
+        headers: { 'x-performance-token': 'signed-token' },
+      }),
+      { params: { path: ['surveys', 'survey-1'] } },
+    )
+
+    expect(response.status).toBe(403)
+    expect(getPerformanceSurveyDetail).not.toHaveBeenCalled()
+  })
+
+  test('钉钉评分凭证提交时把通知评价对象传给服务层复核', async () => {
+    ;(verifyDingtalkPerformanceSessionToken as jest.Mock).mockReturnValue({
+      userId: 'external-1',
+      email: 'external@example.com',
+      name: '跨部门同事',
+      role: 'USER',
+      exp: Math.floor(Date.now() / 1000) + 3600,
+      scope: { kind: 'assignment', surveyId: 'survey-1', targetId: 'target-1' },
+    })
+    ;(submitPerformanceSurveyResponse as jest.Mock).mockResolvedValue({ id: 'response-1' })
+
+    const response = await POST(
+      new Request('https://example.test/api/performance-survey/surveys/survey-1/responses', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          'x-performance-token': 'signed-token',
+        },
+        body: JSON.stringify({ targetId: 'target-1', scores: {} }),
+      }),
+      { params: { path: ['surveys', 'survey-1', 'responses'] } },
+    )
+
+    expect(response.status).toBe(200)
+    expect(submitPerformanceSurveyResponse).toHaveBeenCalledWith(
+      expect.objectContaining({ user: expect.objectContaining({ id: 'external-1' }) }),
+      'survey-1',
+      { targetId: 'target-1', scores: {} },
+      'target-1',
+    )
   })
 
   test('preview 子路径只执行只读预检', async () => {
diff --git a/lib/dingtalk-login.ts b/lib/dingtalk-login.ts
index e398002..3875b32 100644
--- a/lib/dingtalk-login.ts
+++ b/lib/dingtalk-login.ts
@@ -241,7 +241,19 @@ function warmPerformanceSurveyProfile(user: {
   username: string
   realName: string | null
 }) {
-  void ensurePerformanceSurveyEmployeeProfileForUser({
+  void preparePerformanceSurveyProfile(user).catch((error) => {
+    console.warn('[performance-survey] 钉钉登录后预热人员档案或建立绑定失败:', error)
+  })
+}
+
+async function preparePerformanceSurveyProfile(user: {
+  id: string
+  dingtalkUserId: string | null
+  email: string
+  username: string
+  realName: string | null
+}) {
+  await ensurePerformanceSurveyEmployeeProfileForUser({
     userId: user.id,
     dingtalkUserId: user.dingtalkUserId,
     email: user.email,
@@ -249,14 +261,9 @@ function warmPerformanceSurveyProfile(user: {
     realName: user.realName,
     displayName: user.realName || user.username,
   })
-    .then(() =>
-      // 档案就绪后按钉钉唯一值建立账号与权威人员的正式绑定，
-      // 取代此前"每次用到时按姓名/邮箱现猜"的软匹配。
-      ensureBindingByDingtalkUserId(user.id, user.dingtalkUserId),
-    )
-    .catch((error) => {
-      console.warn('[performance-survey] 钉钉登录后预热人员档案或建立绑定失败:', error)
-    })
+  // 档案就绪后按钉钉唯一值建立账号与权威人员的正式绑定，
+  // 取代此前"每次用到时按姓名/邮箱现猜"的软匹配。
+  await ensureBindingByDingtalkUserId(user.id, user.dingtalkUserId)
 }
 
 export async function setDingtalkAuthenticatedSessionCookies(
@@ -541,6 +548,7 @@ async function resolveDingtalkUserForSession(
   userId: string,
   userInfo: DingtalkUserInfo,
   clientIp?: string | null,
+  options?: { allowRestrictedPerformanceAccess?: boolean },
 ): Promise<DingtalkNextAuthUser> {
   const displayName = String(userInfo.name || '').trim()
   if (!displayName) {
@@ -557,7 +565,7 @@ async function resolveDingtalkUserForSession(
       where: { username: displayName },
     })
 
-    if (existingUserByName) {
+    if (existingUserByName && !options?.allowRestrictedPerformanceAccess) {
       console.warn(
         `[dingtalk-session] 拒绝按姓名自动合并身份：username=${displayName}，` +
           `既有账号=${existingUserByName.id}，` +
@@ -570,6 +578,20 @@ async function resolveDingtalkUserForSession(
 
     console.log('创建新用户（使用钉钉姓名）:', displayName)
 
+    // 评分通知只需要一个与钉钉唯一值绑定的受限身份。若素材库里已有同名账号，
+    // 不能自动合并，也不能因为 username 唯一约束把外部人员挡在评分入口外。
+    // 为该受限身份生成不可用于普通登录的内部用户名，展示名仍使用钉钉返回姓名。
+    let usernameToUse = displayName
+    if (existingUserByName) {
+      const suffix = userId.replace(/[^A-Za-z0-9_-]/g, '').slice(-12) || randomBytes(6).toString('hex')
+      usernameToUse = `${displayName}·${suffix}`
+      let collision = await prisma.user.findUnique({ where: { username: usernameToUse } })
+      while (collision) {
+        usernameToUse = `${displayName}·${randomBytes(6).toString('hex')}`
+        collision = await prisma.user.findUnique({ where: { username: usernameToUse } })
+      }
+    }
+
     let emailToUse = userInfo.email || generateRandomEmail()
     const emailExists = await prisma.user.findUnique({ where: { email: emailToUse } })
     if (emailExists) {
@@ -578,7 +600,7 @@ async function resolveDingtalkUserForSession(
 
     user = await prisma.user.create({
       data: {
-        username: displayName,
+        username: usernameToUse,
         email: emailToUse,
         password: await createDingtalkOnlyPasswordHash(),
         realName: displayName,
@@ -588,13 +610,17 @@ async function resolveDingtalkUserForSession(
         role: 'USER',
         isActive: false,
         status: 'pending',
-        loginType: 'dingtalk',
+        loginType: options?.allowRestrictedPerformanceAccess ? 'dingtalk_work_notice' : 'dingtalk',
         dingtalkUserId: userId,
       },
     })
 
-    warmPerformanceSurveyProfile(user)
-    throw new Error('您的账号尚未激活，请联系管理员激活后再登录')
+    if (options?.allowRestrictedPerformanceAccess) {
+      warmPerformanceSurveyProfile(user)
+    } else {
+      warmPerformanceSurveyProfile(user)
+      throw new Error('您的账号尚未激活，请联系管理员激活后再登录')
+    }
   } else {
     console.log('更新现有用户:', user.username)
     user = await prisma.user.update({
@@ -610,6 +636,10 @@ async function resolveDingtalkUserForSession(
   let userStatus = (user as any).status || (user.isActive ? 'active' : 'pending')
   let isUserActive = userStatus === 'active'
 
+  if (userStatus === 'suspended' || userStatus === 'archived') {
+    throw new Error('您的账号已被暂停或归档，无法登录')
+  }
+
   // 自动人员规则：花名册在册且在职 → 自动激活；并按 M/P 等级自动同步角色
   if (!isUserActive) {
     try {
@@ -630,12 +660,11 @@ async function resolveDingtalkUserForSession(
   }
 
   if (!isUserActive) {
+    if (!options?.allowRestrictedPerformanceAccess) {
+      warmPerformanceSurveyProfile(user)
+      throw new Error('您的账号尚未激活，请联系管理员激活后再登录')
+    }
     warmPerformanceSurveyProfile(user)
-    throw new Error('您的账号尚未激活，请联系管理员激活后再登录')
-  }
-
-  if (userStatus === 'suspended' || userStatus === 'archived') {
-    throw new Error('您的账号已被暂停或归档，无法登录')
   }
 
   await prisma.user.update({
@@ -644,8 +673,7 @@ async function resolveDingtalkUserForSession(
       lastLoginAt: new Date(),
       lastLoginIp: clientIp || null,
       loginCount: { increment: 1 },
-      status: 'active',
-      isActive: true,
+      ...(isUserActive ? { status: 'active', isActive: true } : {}),
     },
   }).catch((error) => {
     console.error('记录登录审计信息失败:', error)
@@ -668,7 +696,11 @@ async function resolveDingtalkUserForSession(
 
 export async function authorizeDingtalkH5UserForNextAuth(
   code: string,
-  options?: { appSource?: DingtalkLoginAppSource; clientIp?: string | null },
+  options?: {
+    appSource?: DingtalkLoginAppSource
+    clientIp?: string | null
+    allowRestrictedPerformanceAccess?: boolean
+  },
 ) {
   console.log('开始钉钉H5免登NextAuth登录流程')
   const appSource = options?.appSource || 'login'
@@ -682,7 +714,9 @@ export async function authorizeDingtalkH5UserForNextAuth(
   const userInfo = await getUserInfo(userId, appAccessToken)
   console.log('获取用户信息成功:', userInfo.name)
 
-  return resolveDingtalkUserForSession(userId, userInfo, options?.clientIp || null)
+  return resolveDingtalkUserForSession(userId, userInfo, options?.clientIp || null, {
+    allowRestrictedPerformanceAccess: options?.allowRestrictedPerformanceAccess === true,
+  })
 }
 
 export async function loginDingtalkUserByOAuthCode(
diff --git a/lib/dingtalk-performance-session.ts b/lib/dingtalk-performance-session.ts
index 94ab9fd..f9c50cd 100644
--- a/lib/dingtalk-performance-session.ts
+++ b/lib/dingtalk-performance-session.ts
@@ -5,6 +5,21 @@ export const DINGTALK_PERFORMANCE_SESSION_HEADER = 'x-performance-survey-dingtal
 
 export type DingtalkPerformanceRole = 'USER' | 'ADMIN' | 'DEPT_ADMIN' | 'SYSTEM_ADMIN'
 
+export type DingtalkPerformanceSessionScope =
+  | {
+      kind: 'assignment'
+      surveyId: string
+      targetId: string
+    }
+  | {
+      kind: 'results'
+      surveyId: string
+      targetId?: string | null
+    }
+  | {
+      kind: 'workspace'
+    }
+
 export type DingtalkPerformanceSessionPayload = {
   v: 1
   purpose: 'performance-survey'
@@ -16,6 +31,7 @@ export type DingtalkPerformanceSessionPayload = {
   department?: string | null
   managedDepartment?: string | null
   isSuperAdmin?: boolean | null
+  scope: DingtalkPerformanceSessionScope
   iat: number
   exp: number
   nonce: string
@@ -81,7 +97,44 @@ function normalizeRole(role: string): DingtalkPerformanceRole {
     : 'USER'
 }
 
-export function createDingtalkPerformanceSessionToken(user: DingtalkPerformanceUser) {
+export function resolveDingtalkPerformanceSessionScope(
+  redirectPath: string,
+): DingtalkPerformanceSessionScope | null {
+  try {
+    const url = new URL(redirectPath, 'https://performance-survey.local')
+    const segments = url.pathname.split('/').filter(Boolean)
+    const surveyId = segments[2] || ''
+    const targetId = url.searchParams.get('targetId')?.trim() || ''
+
+    if (
+      segments.length === 3
+      && segments[0] === 'performance-survey'
+      && segments[1] === 'survey'
+      && surveyId
+      && targetId
+    ) {
+      return { kind: 'assignment', surveyId, targetId }
+    }
+
+    if (
+      segments.length === 3
+      && segments[0] === 'performance-survey'
+      && segments[1] === 'results'
+      && surveyId
+    ) {
+      return { kind: 'results', surveyId, targetId: targetId || null }
+    }
+  } catch {
+    // redirectPath 已由入口层约束；异常值不能获得绩效工作区权限。
+  }
+
+  return null
+}
+
+export function createDingtalkPerformanceSessionToken(
+  user: DingtalkPerformanceUser,
+  scope: DingtalkPerformanceSessionScope = { kind: 'workspace' },
+) {
   const now = Math.floor(Date.now() / 1000)
   const payload: DingtalkPerformanceSessionPayload = {
     v: 1,
@@ -94,6 +147,7 @@ export function createDingtalkPerformanceSessionToken(user: DingtalkPerformanceU
     department: user.department || '',
     managedDepartment: user.managedDepartment || null,
     isSuperAdmin: user.isSuperAdmin ?? false,
+    scope,
     iat: now,
     exp: now + getTtlSeconds(),
     nonce: randomUUID(),
@@ -122,6 +176,7 @@ export function verifyDingtalkPerformanceSessionToken(token: string | null | und
       !payload.name ||
       !payload.role ||
       normalizeRole(payload.role) !== payload.role ||
+      !isValidScope(payload.scope) ||
       typeof payload.exp !== 'number' ||
       payload.exp <= now
     ) {
@@ -133,3 +188,15 @@ export function verifyDingtalkPerformanceSessionToken(token: string | null | und
     return null
   }
 }
+
+function isValidScope(scope: unknown): scope is DingtalkPerformanceSessionScope {
+  if (!scope || typeof scope !== 'object' || Array.isArray(scope)) return false
+  const value = scope as Record<string, unknown>
+  if (value.kind === 'workspace') return true
+  if (value.kind !== 'assignment' && value.kind !== 'results') return false
+  if (typeof value.surveyId !== 'string' || !value.surveyId.trim()) return false
+  if (value.kind === 'assignment') {
+    return typeof value.targetId === 'string' && Boolean(value.targetId.trim())
+  }
+  return value.targetId == null || typeof value.targetId === 'string'
+}
diff --git a/lib/performance-survey-service.ts b/lib/performance-survey-service.ts
index bd0face..d075449 100644
--- a/lib/performance-survey-service.ts
+++ b/lib/performance-survey-service.ts
@@ -3273,12 +3273,18 @@ export async function createPerformanceSurvey(session: Session | null, body: any
   return getPerformanceSurveyDetail(session, surveyId)
 }
 
-export async function getPerformanceSurveyDetail(session: Session | null, surveyId: string) {
+export async function getPerformanceSurveyDetail(
+  session: Session | null,
+  surveyId: string,
+  targetId?: string | null,
+) {
   const ctx = await getPerformanceSurveyContext(session)
+  const targetIdFilter = clean(targetId)
   const survey = await prisma.performanceSurvey.findUnique({
     where: { id: surveyId },
     include: {
       targets: {
+        where: targetIdFilter ? { id: targetIdFilter } : undefined,
         orderBy: { sortOrder: 'asc' },
         include: {
           assignments: {
@@ -3325,7 +3331,9 @@ export async function getPerformanceSurveyDetail(session: Session | null, survey
   const visibleTargets = isCreator
     ? survey.targets
     : getPersonalSurveyTargets(ctx, survey, survey.targets)
-  const isAssigned = survey.assignments.length > 0
+  const visibleTargetIds = new Set(visibleTargets.map((target) => target.id))
+  const visibleAssignments = survey.assignments.filter((assignment) => visibleTargetIds.has(assignment.targetId))
+  const isAssigned = visibleAssignments.length > 0
   const isTarget = Boolean(
     ctx.employee && visibleTargets.some((target) => target.employeeProfileId === ctx.employee?.id),
   )
@@ -3377,7 +3385,7 @@ export async function getPerformanceSurveyDetail(session: Session | null, survey
     },
     canManage,
     canCancel: ctx.isDepartmentAdmin && canManage && survey.status !== 'cancelled',
-    canSubmit: isAssigned && survey.status === 'open' && await canSubmitCurrentVisualStage(survey, survey.assignments),
+    canSubmit: isAssigned && survey.status === 'open' && await canSubmitCurrentVisualStage(survey, visibleAssignments),
     canViewResults: survey.status === 'closed' && (isCreator || isTarget),
     targets: visibleTargets.map((target) => {
       const currentAssignment = currentAssignments.get(target.id)
@@ -3648,10 +3656,18 @@ export async function cancelPerformanceSurvey(session: Session | null, surveyId:
   return getPerformanceSurveyDetail(session, surveyId)
 }
 
-export async function submitPerformanceSurveyResponse(session: Session | null, surveyId: string, body: any) {
+export async function submitPerformanceSurveyResponse(
+  session: Session | null,
+  surveyId: string,
+  body: any,
+  requiredTargetId?: string | null,
+) {
   const ctx = await getPerformanceSurveyContext(session)
   const targetId = clean(body?.targetId)
   if (!targetId) throw new PerformanceSurveyApiError('缺少评价对象')
+  if (requiredTargetId && targetId !== requiredTargetId) {
+    throw new PerformanceSurveyApiError('当前钉钉通知仅允许提交对应的评价对象', 403)
+  }
 
   const survey = await prisma.performanceSurvey.findUnique({
     where: { id: surveyId },
@@ -4531,6 +4547,7 @@ export async function submitPerformanceSurveyWorkItemScores(
   session: Session | null,
   surveyId: string,
   body: any,
+  requiredTargetId?: string | null,
 ) {
   const ctx = await getPerformanceSurveyContext(session)
   const survey = await prisma.performanceSurvey.findUnique({
@@ -4559,6 +4576,9 @@ export async function submitPerformanceSurveyWorkItemScores(
     throw new PerformanceSurveyApiError('三个案例必须属于同一位被考核人')
   }
   const targetId = targetIds[0]
+  if (requiredTargetId && targetId !== requiredTargetId) {
+    throw new PerformanceSurveyApiError('当前钉钉通知仅允许提交对应的评价对象', 403)
+  }
 
   const assignment = await prisma.performanceSurveyAssignment.findFirst({
     where: {
@@ -4732,6 +4752,7 @@ export async function submitPerformanceSurveyWorkItemScore(
   surveyId: string,
   workItemId: string,
   body: any,
+  requiredTargetId?: string | null,
 ) {
   const ctx = await getPerformanceSurveyContext(session)
   const survey = await prisma.performanceSurvey.findUnique({
@@ -4747,6 +4768,9 @@ export async function submitPerformanceSurveyWorkItemScore(
     include: { target: true },
   })
   if (!workItem || workItem.surveyId !== surveyId) throw new PerformanceSurveyApiError('案例不存在', 404)
+  if (requiredTargetId && workItem.targetId !== requiredTargetId) {
+    throw new PerformanceSurveyApiError('当前钉钉通知仅允许提交对应的评价对象', 403)
+  }
 
   const assignment = await prisma.performanceSurveyAssignment.findFirst({
     where: {
diff --git a/middleware.test.ts b/middleware.test.ts
index ca5f031..3dec74b 100644
--- a/middleware.test.ts
+++ b/middleware.test.ts
@@ -33,7 +33,7 @@ describe('品牌中心门禁与钉钉绩效调研入口', () => {
       username: '跨部门同事',
       role: 'USER',
       department: '运营中心',
-    })
+    }, { kind: 'assignment', surveyId: 'survey-1', targetId: 'target-1' })
     const response = await middleware(new NextRequest(
       'https://sc.jiansun.vip/performance-survey/survey/survey-1?targetId=target-1',
       { headers: { cookie: `dingtalk-performance-session=${token}` } },
@@ -70,13 +70,32 @@ describe('品牌中心门禁与钉钉绩效调研入口', () => {
       username: '跨部门同事',
       role: 'USER',
       department: '运营中心',
-    })
+    }, { kind: 'assignment', surveyId: 'survey-1', targetId: 'target-1' })
     const response = await middleware(new NextRequest(
-      'https://sc.jiansun.vip/performance-survey/survey/survey-1',
+      'https://sc.jiansun.vip/performance-survey/survey/survey-1?targetId=target-1',
       { headers: { cookie: `dingtalk-performance-session=${token}` } },
     ))
 
     expect(response.status).toBe(200)
     expect(response.headers.get('location')).toBeNull()
   })
+
+  test('评分通知专用会话离开对应评分项时会被送回原评分项', async () => {
+    const token = createDingtalkPerformanceSessionToken({
+      id: 'external-user',
+      email: 'external@example.com',
+      username: '跨部门同事',
+      role: 'USER',
+      department: '运营中心',
+    }, { kind: 'assignment', surveyId: 'survey-1', targetId: 'target-1' })
+    const response = await middleware(new NextRequest(
+      'https://sc.jiansun.vip/performance-survey?tab=manage',
+      { headers: { cookie: `dingtalk-performance-session=${token}` } },
+    ))
+
+    expect(response.status).toBe(307)
+    expect(response.headers.get('location')).toBe(
+      'https://sc.jiansun.vip/performance-survey/survey/survey-1?targetId=target-1',
+    )
+  })
 })
diff --git a/middleware.ts b/middleware.ts
index e21fb9c..1e53911 100644
--- a/middleware.ts
+++ b/middleware.ts
@@ -35,11 +35,32 @@ function decodeBase64Url(value: string) {
   return atob(normalized + padding)
 }
 
-async function hasValidDingtalkPerformanceSession(request: NextRequest) {
+type DingtalkPerformanceEdgeScope =
+  | { kind: 'assignment'; surveyId: string; targetId: string }
+  | { kind: 'results'; surveyId: string; targetId?: string | null }
+  | { kind: 'workspace' }
+
+type DingtalkPerformanceEdgePayload = {
+  scope: DingtalkPerformanceEdgeScope
+}
+
+function isValidDingtalkPerformanceScope(scope: unknown): scope is DingtalkPerformanceEdgeScope {
+  if (!scope || typeof scope !== 'object' || Array.isArray(scope)) return false
+  const value = scope as Record<string, unknown>
+  if (value.kind === 'workspace') return true
+  if (value.kind !== 'assignment' && value.kind !== 'results') return false
+  if (typeof value.surveyId !== 'string' || !value.surveyId.trim()) return false
+  if (value.kind === 'assignment') {
+    return typeof value.targetId === 'string' && Boolean(value.targetId.trim())
+  }
+  return value.targetId == null || typeof value.targetId === 'string'
+}
+
+async function getValidDingtalkPerformanceSession(request: NextRequest): Promise<DingtalkPerformanceEdgePayload | null> {
   const token = request.cookies.get(DINGTALK_PERFORMANCE_SESSION_COOKIE)?.value || ''
   const secret = process.env.NEXTAUTH_SECRET || ''
   const [encodedPayload, signature, extra] = token.split('.')
-  if (!secret || !encodedPayload || !signature || extra) return false
+  if (!secret || !encodedPayload || !signature || extra) return null
 
   try {
     const key = await crypto.subtle.importKey(
@@ -52,10 +73,10 @@ async function hasValidDingtalkPerformanceSession(request: NextRequest) {
     const expectedSignature = encodeBase64Url(new Uint8Array(
       await crypto.subtle.sign('HMAC', key, new TextEncoder().encode(encodedPayload)),
     ))
-    if (expectedSignature !== signature) return false
+    if (expectedSignature !== signature) return null
 
     const payload = JSON.parse(decodeBase64Url(encodedPayload)) as Record<string, unknown>
-    return (
+    if (!(
       payload.v === 1
       && payload.purpose === 'performance-survey'
       && typeof payload.userId === 'string'
@@ -63,12 +84,39 @@ async function hasValidDingtalkPerformanceSession(request: NextRequest) {
       && typeof payload.name === 'string'
       && typeof payload.exp === 'number'
       && payload.exp > Math.floor(Date.now() / 1000)
-    )
+      && isValidDingtalkPerformanceScope(payload.scope)
+    )) return null
+    return { scope: payload.scope }
   } catch {
-    return false
+    return null
   }
 }
 
+function getScopedPerformanceRedirect(
+  request: NextRequest,
+  payload: DingtalkPerformanceEdgePayload | null,
+) {
+  const scope = payload?.scope
+  if (!scope || scope.kind === 'workspace') return null
+
+  const expectedPathname = scope.kind === 'assignment'
+    ? `/performance-survey/survey/${encodeURIComponent(scope.surveyId)}`
+    : `/performance-survey/results/${encodeURIComponent(scope.surveyId)}`
+  const expectedTargetId = scope.targetId || ''
+  const currentTargetId = request.nextUrl.searchParams.get('targetId') || ''
+  if (request.nextUrl.pathname === expectedPathname && currentTargetId === expectedTargetId) {
+    return null
+  }
+
+  const url = request.nextUrl.clone()
+  url.pathname = expectedPathname
+  url.search = ''
+  if (expectedTargetId) url.searchParams.set('targetId', expectedTargetId)
+  const response = NextResponse.redirect(url)
+  response.headers.set('Cache-Control', 'private, no-store, no-cache, must-revalidate, max-age=0')
+  return response
+}
+
 // 注意：不在middleware中启动内存监控
 // middleware使用Edge Runtime，不支持Node.js API
 // 内存监控会在lib/memory-monitor.ts模块加载时自动启动（仅生产环境）
@@ -141,9 +189,10 @@ export async function middleware(request: NextRequest) {
   ) {
     const isPerformanceSurveyPath =
       pathname === '/performance-survey' || pathname.startsWith('/performance-survey/')
-    const hasDingtalkPerformanceSession = isPerformanceSurveyPath
-      ? await hasValidDingtalkPerformanceSession(request)
-      : false
+    const dingtalkPerformanceSession = isPerformanceSurveyPath
+      ? await getValidDingtalkPerformanceSession(request)
+      : null
+    const hasDingtalkPerformanceSession = Boolean(dingtalkPerformanceSession)
     const preferredSecureCookie = resolveSecureAuthCookieFromRequest(request)
     const cookieCandidates = getAuthSessionCookieCandidates(preferredSecureCookie)
     let token = null
@@ -171,6 +220,11 @@ export async function middleware(request: NextRequest) {
       return redirectResponse
     }
 
+    if (isPerformanceSurveyPath && dingtalkPerformanceSession) {
+      const scopedRedirect = getScopedPerformanceRedirect(request, dingtalkPerformanceSession)
+      if (scopedRedirect) return scopedRedirect
+    }
+
     if (
       token
       && !(isPerformanceSurveyPath && hasDingtalkPerformanceSession)