diff --git a/src/utils/listPageState.ts b/src/utils/listPageState.ts
index a4957c9..1dd7cf4 100644
--- a/src/utils/listPageState.ts
+++ b/src/utils/listPageState.ts
@@ -1,13 +1,33 @@
-/** Persist list pagination across detail → back navigation. */
+/** Persist list pagination and filters across detail → back navigation. */
 
 export function parsePositiveInt(v: unknown, fallback: number): number {
   const n = typeof v === 'string' ? Number(v) : typeof v === 'number' ? v : NaN
   return Number.isInteger(n) && n > 0 ? n : fallback
 }
 
+const QUERY_RESERVED = new Set(['page', 'per_page'])
+
 export type ListPageState = {
   page: number
   perPage: number
+  filters: Record<string, string>
+}
+
+function normalizeFilters(raw: unknown): Record<string, string> {
+  if (!raw || typeof raw !== 'object' || Array.isArray(raw)) return {}
+  const out: Record<string, string> = {}
+  for (const [k, v] of Object.entries(raw as Record<string, unknown>)) {
+    if (QUERY_RESERVED.has(k) || v == null) continue
+    const s = String(v).trim()
+    if (s !== '') out[k] = s
+  }
+  return out
+}
+
+export function filtersFromQuery(
+  query: Record<string, unknown> | { page?: unknown; per_page?: unknown },
+): Record<string, string> {
+  return normalizeFilters(query)
 }
 
 export function listPageStateKey(scope: string, slug: string): string {
@@ -17,7 +37,14 @@ export function listPageStateKey(scope: string, slug: string): string {
 export function saveListPageState(key: string, state: ListPageState): void {
   if (!key || typeof sessionStorage === 'undefined') return
   try {
-    sessionStorage.setItem(key, JSON.stringify({ page: state.page, perPage: state.perPage }))
+    sessionStorage.setItem(
+      key,
+      JSON.stringify({
+        page: state.page,
+        perPage: state.perPage,
+        filters: normalizeFilters(state.filters),
+      }),
+    )
   } catch {
     /* ignore quota / private mode */
   }
@@ -28,10 +55,11 @@ export function loadListPageState(key: string): ListPageState | null {
   try {
     const raw = sessionStorage.getItem(key)
     if (!raw) return null
-    const o = JSON.parse(raw) as { page?: unknown; perPage?: unknown }
+    const o = JSON.parse(raw) as { page?: unknown; perPage?: unknown; filters?: unknown }
     return {
       page: parsePositiveInt(o.page, 1),
       perPage: parsePositiveInt(o.perPage, 15),
+      filters: normalizeFilters(o.filters),
     }
   } catch {
     return null
@@ -42,24 +70,61 @@ export function listPageStateToQuery(
   state: ListPageState,
   defaultPerPage = 15,
 ): Record<string, string> {
-  const q: Record<string, string> = {}
+  const q: Record<string, string> = { ...normalizeFilters(state.filters) }
   if (state.page > 1) q.page = String(state.page)
   if (state.perPage !== defaultPerPage) q.per_page = String(state.perPage)
   return q
 }
 
-/** Prefer URL query, then sessionStorage, then defaults. */
+function queryEqual(a: Record<string, string>, b: Record<string, unknown>): boolean {
+  const keys = new Set([...Object.keys(a), ...Object.keys(b)])
+  for (const k of keys) {
+    const av = a[k] ?? ''
+    const bv = typeof b[k] === 'string' ? b[k] : b[k] == null ? '' : String(b[k])
+    if (av !== bv) return false
+  }
+  return true
+}
+
+export function listQueryUnchanged(
+  next: Record<string, string>,
+  current: Record<string, unknown>,
+): boolean {
+  return queryEqual(next, current)
+}
+
+/** Prefer URL query, then sessionStorage, then defaults. Filters: storage first, URL overlays. */
 export function resolveListPageState(
   key: string,
   query: Record<string, unknown> | { page?: unknown; per_page?: unknown },
-  defaults: ListPageState = { page: 1, perPage: 15 },
+  defaults: ListPageState = { page: 1, perPage: 15, filters: {} },
 ): ListPageState {
+  const stored = loadListPageState(key)
   const qPage = parsePositiveInt(query.page, 0)
   const qPer = parsePositiveInt(query.per_page, 0)
-  if (qPage > 0) {
-    return { page: qPage, perPage: qPer > 0 ? qPer : defaults.perPage }
+  const qFilters = filtersFromQuery(query)
+  return {
+    page: qPage > 0 ? qPage : stored?.page ?? defaults.page,
+    perPage: qPer > 0 ? qPer : stored?.perPage ?? defaults.perPage,
+    filters: { ...defaults.filters, ...stored?.filters, ...qFilters },
   }
-  const stored = loadListPageState(key)
-  if (stored) return stored
-  return { ...defaults }
+}
+
+/** Detail → list：优先当前详情 URL，缺的筛选从 sessionStorage 补。 */
+export function listReturnQueryFromDetail(
+  storageKey: string,
+  query: Record<string, unknown>,
+  defaultPerPage = 15,
+): Record<string, string> {
+  const qPage = parsePositiveInt(query.page, 0)
+  const qPer = parsePositiveInt(query.per_page, 0)
+  const stored = loadListPageState(storageKey)
+  return listPageStateToQuery(
+    {
+      page: qPage > 0 ? qPage : stored?.page ?? 1,
+      perPage: qPer > 0 ? qPer : stored?.perPage ?? defaultPerPage,
+      filters: { ...stored?.filters, ...filtersFromQuery(query) },
+    },
+    defaultPerPage,
+  )
 }
diff --git a/src/views/manage/ManageProjectDetailView.vue b/src/views/manage/ManageProjectDetailView.vue
index e574ef7..ce6dea9 100644
--- a/src/views/manage/ManageProjectDetailView.vue
+++ b/src/views/manage/ManageProjectDetailView.vue
@@ -8,9 +8,7 @@ import type { AdminApplicationDetail, AdminApplicationFileRow } from '../../api/
 import { isDownloadBusy } from '../../utils/downloadFeedback'
 import {
   listPageStateKey,
-  listPageStateToQuery,
-  loadListPageState,
-  parsePositiveInt,
+  listReturnQueryFromDetail,
 } from '../../utils/listPageState'
 
 const route = useRoute()
@@ -76,22 +74,10 @@ async function load() {
 
 function goBack() {
   const slug = competitionSlug.value
-  const fromRoutePage = parsePositiveInt(route.query.page, 0)
-  const fromRoutePer = parsePositiveInt(route.query.per_page, 0)
-  let query: Record<string, string> = {}
-  if (fromRoutePage > 0) {
-    query = listPageStateToQuery({
-      page: fromRoutePage,
-      perPage: fromRoutePer > 0 ? fromRoutePer : 15,
-    })
-  } else {
-    const stored = loadListPageState(listPageStateKey('manage-projects', slug))
-    if (stored) query = listPageStateToQuery(stored)
-  }
   void router.push({
     name: 'manage-projects',
     params: { slug },
-    query,
+    query: listReturnQueryFromDetail(listPageStateKey('manage-projects', slug), route.query),
   })
 }
 
diff --git a/src/views/manage/ManageProjectsView.vue b/src/views/manage/ManageProjectsView.vue
index df039c0..05ad28e 100644
--- a/src/views/manage/ManageProjectsView.vue
+++ b/src/views/manage/ManageProjectsView.vue
@@ -23,6 +23,7 @@ import type {
 import {
   listPageStateKey,
   listPageStateToQuery,
+  listQueryUnchanged,
   resolveListPageState,
   saveListPageState,
 } from '../../utils/listPageState'
@@ -41,14 +42,37 @@ function listStateStorageKey(): string {
   return listPageStateKey('manage-projects', competitionSlug.value)
 }
 
+function currentListFilters(): Record<string, string> {
+  const f: Record<string, string> = {}
+  if (filters.keyword.trim()) f.keyword = filters.keyword.trim()
+  if (filters.track) f.track = filters.track
+  if (filters.entry_group) f.entry_group = filters.entry_group
+  if (filters.review_result) f.review_result = filters.review_result
+  if (filters.review_eligible) f.review_eligible = filters.review_eligible
+  if (filters.signup_channel_id !== '') f.signup_channel_id = String(filters.signup_channel_id)
+  if (filters.public_source_channel_id !== '') {
+    f.public_source_channel_id = String(filters.public_source_channel_id)
+  }
+  if (sortDir.value !== 'desc') f.sort_dir = sortDir.value
+  return f
+}
+
 function listReturnQuery(): Record<string, string> {
-  return listPageStateToQuery({ page: pager.page, perPage: pager.perPage })
+  return listPageStateToQuery({
+    page: pager.page,
+    perPage: pager.perPage,
+    filters: currentListFilters(),
+  })
 }
 
 function persistListState(): void {
   const key = listStateStorageKey()
   if (!key.endsWith('.')) {
-    saveListPageState(key, { page: pager.page, perPage: pager.perPage })
+    saveListPageState(key, {
+      page: pager.page,
+      perPage: pager.perPage,
+      filters: currentListFilters(),
+    })
   }
 }
 
@@ -56,13 +80,32 @@ function applyListState(): void {
   const next = resolveListPageState(listStateStorageKey(), route.query)
   pager.page = next.page
   pager.perPage = next.perPage
+  filters.keyword = next.filters.keyword ?? ''
+  filters.track = next.filters.track ?? ''
+  if (next.filters.entry_group) filters.entry_group = next.filters.entry_group
+  filters.review_result =
+    next.filters.review_result === 'passed'
+    || next.filters.review_result === 'rejected'
+    || next.filters.review_result === 'pending'
+      ? next.filters.review_result
+      : ''
+  if (next.filters.review_eligible === '1' || next.filters.review_eligible === '0') {
+    filters.review_eligible = next.filters.review_eligible
+  }
+  filters.signup_channel_id = next.filters.signup_channel_id
+    ? Number(next.filters.signup_channel_id)
+    : ''
+  filters.public_source_channel_id = next.filters.public_source_channel_id
+    ? Number(next.filters.public_source_channel_id)
+    : ''
+  if (next.filters.sort_dir === 'asc' || next.filters.sort_dir === 'desc') {
+    sortDir.value = next.filters.sort_dir
+  }
 }
 
 function syncListQueryToRoute(): void {
   const next = listReturnQuery()
-  const curPage = typeof route.query.page === 'string' ? route.query.page : undefined
-  const curPer = typeof route.query.per_page === 'string' ? route.query.per_page : undefined
-  if (curPage === next.page && curPer === next.per_page) return
+  if (listQueryUnchanged(next, route.query)) return
   void router.replace({
     name: 'manage-projects',
     params: { slug: competitionSlug.value },
diff --git a/src/views/reviewer/ReviewerApplicationDetailView.vue b/src/views/reviewer/ReviewerApplicationDetailView.vue
index 138ef1b..820c3d8 100644
--- a/src/views/reviewer/ReviewerApplicationDetailView.vue
+++ b/src/views/reviewer/ReviewerApplicationDetailView.vue
@@ -13,9 +13,7 @@ import { Modal } from 'bootstrap'
 import ApplicationSignupDetailFields from '../../components/portal/ApplicationSignupDetailFields.vue'
 import {
   listPageStateKey,
-  listPageStateToQuery,
-  loadListPageState,
-  parsePositiveInt,
+  listReturnQueryFromDetail,
 } from '../../utils/listPageState'
 
 interface FileItem {
@@ -315,19 +313,11 @@ function goBack() {
     void router.push('/c')
     return
   }
-  const fromRoutePage = parsePositiveInt(route.query.page, 0)
-  const fromRoutePer = parsePositiveInt(route.query.per_page, 0)
-  let query: Record<string, string> = {}
-  if (fromRoutePage > 0) {
-    query = listPageStateToQuery({
-      page: fromRoutePage,
-      perPage: fromRoutePer > 0 ? fromRoutePer : 15,
-    })
-  } else {
-    const stored = loadListPageState(listPageStateKey('reviewer-projects', s))
-    if (stored) query = listPageStateToQuery(stored)
-  }
-  void router.push({ name: 'reviewer-projects', params: { slug: s }, query })
+  void router.push({
+    name: 'reviewer-projects',
+    params: { slug: s },
+    query: listReturnQueryFromDetail(listPageStateKey('reviewer-projects', s), route.query),
+  })
 }
 
 const downloadingFileId = ref<number | null>(null)
diff --git a/src/views/reviewer/ReviewerProjectsView.vue b/src/views/reviewer/ReviewerProjectsView.vue
index 77cbdde..1441fd0 100644
--- a/src/views/reviewer/ReviewerProjectsView.vue
+++ b/src/views/reviewer/ReviewerProjectsView.vue
@@ -10,6 +10,7 @@ import PortalPagination from '../../components/portal/PortalPagination.vue'
 import {
   listPageStateKey,
   listPageStateToQuery,
+  listQueryUnchanged,
   resolveListPageState,
   saveListPageState,
 } from '../../utils/listPageState'
@@ -62,14 +63,30 @@ function listStateStorageKey(): string {
   return listPageStateKey('reviewer-projects', slug.value)
 }
 
+function currentListFilters(): Record<string, string> {
+  const f: Record<string, string> = {}
+  if (filters.entry_group) f.entry_group = filters.entry_group
+  if (filters.keyword.trim()) f.keyword = filters.keyword.trim()
+  if (filters.review_status) f.review_status = filters.review_status
+  return f
+}
+
 function listReturnQuery(): Record<string, string> {
-  return listPageStateToQuery({ page: page.value, perPage: perPage.value })
+  return listPageStateToQuery({
+    page: page.value,
+    perPage: perPage.value,
+    filters: currentListFilters(),
+  })
 }
 
 function persistListState(): void {
   const key = listStateStorageKey()
   if (!key.endsWith('.')) {
-    saveListPageState(key, { page: page.value, perPage: perPage.value })
+    saveListPageState(key, {
+      page: page.value,
+      perPage: perPage.value,
+      filters: currentListFilters(),
+    })
   }
 }
 
@@ -77,13 +94,17 @@ function applyListState(): void {
   const next = resolveListPageState(listStateStorageKey(), route.query)
   page.value = next.page
   perPage.value = next.perPage
+  if (next.filters.entry_group) filters.entry_group = next.filters.entry_group
+  filters.keyword = next.filters.keyword ?? ''
+  filters.review_status =
+    next.filters.review_status === 'pending' || next.filters.review_status === 'reviewed'
+      ? next.filters.review_status
+      : ''
 }
 
 function syncListQueryToRoute(): void {
   const next = listReturnQuery()
-  const curPage = typeof route.query.page === 'string' ? route.query.page : undefined
-  const curPer = typeof route.query.per_page === 'string' ? route.query.per_page : undefined
-  if (curPage === next.page && curPer === next.per_page) return
+  if (listQueryUnchanged(next, route.query)) return
   if (!slug.value) return
   void router.replace({
     name: 'reviewer-projects',