diff --git a/web/src/App.tsx b/web/src/App.tsx
index bfab2c0d..84c5f408 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -34,17 +34,17 @@ import {
   removeProjectMember,
   updateProjectMember,
 } from './api/projectMembers';
-import { ensureCreatedProjectWithMembers } from './lib/createProjectMembersPersist';
+import {
+  buildManagedMemberUpsertPayload,
+  ensureCreatedProjectWithMembers,
+} from './lib/createProjectMembersPersist';
 import {
   beginCreateProjectSubmit,
   endCreateProjectSubmit,
   resolveCreateProjectSubmitPhase,
   type CreateProjectSubmitPhase,
 } from './lib/createProjectSubmitGuard';
-import {
-  mapApiMembersToProjectMembers,
-  toApiProjectRole,
-} from './lib/projectMemberAdapter';
+import { mapApiMembersToProjectMembers } from './lib/projectMemberAdapter';
 import { mergeWorkflowDocumentsFromServer } from './lib/deliverableSync';
 import { resolveCurrentDocRole } from './lib/currentDocRole';
 import { canAddBlockComment } from './lib/commentPolicy';
@@ -645,6 +645,7 @@ export default function App() {
   const [sessionSyncNotice, setSessionSyncNotice] = useState<string | null>(null);
   const [projectMembersModalOpen, setProjectMembersModalOpen] = useState(false);
   const [projectMembersError, setProjectMembersError] = useState<string | null>(null);
+  const [workflowDocsEpoch, setWorkflowDocsEpoch] = useState(0);
   const [projectSettingsOpen, setProjectSettingsOpen] = useState(false);
   const [workflowGovernanceEnabled, setWorkflowGovernanceEnabled] = useState(false);
 
@@ -1736,7 +1737,7 @@ export default function App() {
     return () => {
       active = false;
     };
-  }, [session, sessionValidated, currentProjectId, currentUser.id, currentUser.name]);
+  }, [session, sessionValidated, currentProjectId, currentUser.id, currentUser.name, workflowDocsEpoch]);
 
   // 文档占用是多人共享运行态：定期从服务端同步，避免其他标签页/成员开始编辑后本页无感知。
   useEffect(() => {
@@ -3772,11 +3773,15 @@ export default function App() {
   const handleAddProjectMember = async (newMember: Omit<ProjectMember, 'joinedAt' | 'status'>) => {
     if (!currentProject) return;
     try {
-      await addProjectMember(currentProject.id, {
-        user_id: newMember.userId,
-        project_role: toApiProjectRole(newMember.role, newMember.userId, currentProject.creatorId),
-      });
+      await addProjectMember(
+        currentProject.id,
+        buildManagedMemberUpsertPayload(
+          { userId: newMember.userId, role: newMember.role },
+          currentProject.creatorId,
+        ),
+      );
       await syncProjectMembersFromServer(currentProject.id, currentProject.creatorId);
+      setWorkflowDocsEpoch((n) => n + 1);
 
       const newSessId = buildPrivateSessionId(`p${currentProject.id}`, newMember.userId);
       setSessions((prev) => {
@@ -3819,11 +3824,12 @@ export default function App() {
   const handleUpdateProjectMemberRole = async (userId: number, newRole: ProjectMemberRole) => {
     if (!currentProject) return;
     try {
-      await updateProjectMember(currentProject.id, {
-        user_id: userId,
-        project_role: toApiProjectRole(newRole, userId, currentProject.creatorId),
-      });
+      await updateProjectMember(
+        currentProject.id,
+        buildManagedMemberUpsertPayload({ userId, role: newRole }, currentProject.creatorId),
+      );
       await syncProjectMembersFromServer(currentProject.id, currentProject.creatorId);
+      setWorkflowDocsEpoch((n) => n + 1);
     } catch (err) {
       setProjectMembersError(err instanceof Error ? err.message : '更新成员角色失败');
     }
@@ -3843,16 +3849,15 @@ export default function App() {
     if (!currentProject) return;
     try {
       const member = currentProject.members.find((m) => m.userId === userId);
-      await updateProjectMember(currentProject.id, {
-        user_id: userId,
-        project_role: toApiProjectRole(
-          member?.role ?? 'member',
-          userId,
-          currentProject.creatorId
+      await updateProjectMember(
+        currentProject.id,
+        buildManagedMemberUpsertPayload(
+          { userId, role: member?.role ?? 'member', status: 'active' },
+          currentProject.creatorId,
         ),
-        status: 'active',
-      });
+      );
       await syncProjectMembersFromServer(currentProject.id, currentProject.creatorId);
+      setWorkflowDocsEpoch((n) => n + 1);
     } catch (err) {
       setProjectMembersError(err instanceof Error ? err.message : '恢复成员失败');
     }
diff --git a/web/src/lib/createProjectMembersPersist.test.ts b/web/src/lib/createProjectMembersPersist.test.ts
index 78f1b85d..16aaedb5 100644
--- a/web/src/lib/createProjectMembersPersist.test.ts
+++ b/web/src/lib/createProjectMembersPersist.test.ts
@@ -2,6 +2,7 @@ import test from 'node:test';
 import assert from 'node:assert/strict';
 import {
   buildInitialMemberUpsertPayload,
+  buildManagedMemberUpsertPayload,
   ensureCreatedProjectWithMembers,
   persistInitialProjectMembers,
   selectNonCreatorInitialMembers,
@@ -21,6 +22,33 @@ test('selectNonCreatorInitialMembers skips creator only', () => {
   );
 });
 
+test('buildManagedMemberUpsertPayload sends document_duty on add/update/restore', () => {
+  assert.deepEqual(buildManagedMemberUpsertPayload({ userId: 171, role: 'reviewer' }, 170), {
+    user_id: 171,
+    project_role: 'member',
+    document_duty: 'reviewer',
+  });
+  assert.deepEqual(buildManagedMemberUpsertPayload({ userId: 4, role: 'approver' }, 170), {
+    user_id: 4,
+    project_role: 'member',
+    document_duty: 'approver',
+  });
+  assert.deepEqual(
+    buildManagedMemberUpsertPayload({ userId: 171, role: 'reviewer', status: 'active' }, 170),
+    {
+      user_id: 171,
+      project_role: 'member',
+      document_duty: 'reviewer',
+      status: 'active',
+    },
+  );
+  assert.deepEqual(buildManagedMemberUpsertPayload({ userId: 170, role: 'owner' }, 170), {
+    user_id: 170,
+    project_role: 'owner',
+    document_duty: 'author',
+  });
+});
+
 test('buildInitialMemberUpsertPayload maps reviewer UI role to member API role', () => {
   assert.deepEqual(buildInitialMemberUpsertPayload({ userId: 99, userName: 'B', role: 'reviewer' }, 86), {
     user_id: 99,
diff --git a/web/src/lib/createProjectMembersPersist.ts b/web/src/lib/createProjectMembersPersist.ts
index ff918702..9ff79c7a 100644
--- a/web/src/lib/createProjectMembersPersist.ts
+++ b/web/src/lib/createProjectMembersPersist.ts
@@ -27,11 +27,25 @@ export function buildInitialMemberUpsertPayload(
   member: InitialProjectMemberInput,
   creatorUserId: number,
 ): UpsertProjectMemberPayload {
-  return {
-    user_id: member.userId,
-    project_role: toApiProjectRole(member.role, member.userId, creatorUserId),
-    document_duty: documentDutyFromMemberRole(member.role),
+  return buildManagedMemberUpsertPayload(
+    { userId: member.userId, role: member.role },
+    creatorUserId,
+  );
+}
+
+export function buildManagedMemberUpsertPayload(
+  input: { userId: number; role: ProjectMemberRole; status?: 'active' | 'exited' },
+  creatorUserId: number,
+): UpsertProjectMemberPayload {
+  const payload: UpsertProjectMemberPayload = {
+    user_id: input.userId,
+    project_role: toApiProjectRole(input.role, input.userId, creatorUserId),
+    document_duty: documentDutyFromMemberRole(input.role),
   };
+  if (input.status) {
+    payload.status = input.status;
+  }
+  return payload;
 }
 
 export type AddProjectMemberFn = (