diff --git a/admin-frontend-vue/src/pages/asin/QueryAsinPage.vue b/admin-frontend-vue/src/pages/asin/QueryAsinPage.vue
index 0c929943..6658bc3c 100644
--- a/admin-frontend-vue/src/pages/asin/QueryAsinPage.vue
+++ b/admin-frontend-vue/src/pages/asin/QueryAsinPage.vue
@@ -8,6 +8,7 @@ import { createQueryAsin, fetchQueryAsinList, fetchShopNamesByGroup } from './qu
 import { QUERY_ASIN_COUNTRIES, queryAsinDisplayRows, type QueryAsinItem } from './query-asin-model.ts'
 import { asinCountryLabel } from './asin-country.ts'
 import { createQueryAsinFilterState, type QueryAsinFilterState } from './query-asin-filter.ts'
+import { toQueryAsinExportUrl } from './query-asin-export.ts'
 import { deleteQueryAsinCountryAsin, updateQueryAsinCountryAsin } from './query-asin-detail-api.ts'
 import { fetchQueryAsinImportProgress, startQueryAsinImport } from './query-asin-import-api.ts'
 import { fetchQueryAsinDeleteImportProgress, startQueryAsinDeleteImport } from './query-asin-delete-import-api.ts'
@@ -263,8 +264,9 @@ async function submitImport(): Promise<void> {
 
 // ---- 导出 ----
 function doExport(): void {
+  // 带当前筛选（分组/店铺名/ASIN/国家）导出，范围与列表筛选一致（此前不带参数导致导出恒为全量）。
   const anchor = document.createElement('a')
-  anchor.href = '/api/admin/query-asins/export'
+  anchor.href = toQueryAsinExportUrl(filter)
   document.body.appendChild(anchor)
   anchor.click()
   anchor.remove()
diff --git a/admin-frontend-vue/src/pages/asin/query-asin-delete-import-api.ts b/admin-frontend-vue/src/pages/asin/query-asin-delete-import-api.ts
index 3971903f..d7907d43 100644
--- a/admin-frontend-vue/src/pages/asin/query-asin-delete-import-api.ts
+++ b/admin-frontend-vue/src/pages/asin/query-asin-delete-import-api.ts
@@ -8,7 +8,9 @@ import {
 
 export const QUERY_ASIN_DELETE_IMPORT_ENDPOINT = '/api/admin/query-asins/delete-import'
 
-/** 启动导入删除；groupId 为 Excel 未提供分组时的兜底，可选（>=1 才下发）。 */
+/** 启动导入删除；groupId 为 Excel 未提供分组时的兜底，可选（>=1 才下发）。
+ *  注意：后端 deleteImportExcel 仍是隐式 camel 参数名(groupId)，此处必须发 groupId；
+ *  与 import 的 group_id 不同源，后端统一为 snake 时需两端同步改。 */
 export async function startQueryAsinDeleteImport(file: File, groupId?: number): Promise<string> {
   const form = new FormData()
   form.append('file', file, file.name)
diff --git a/admin-frontend-vue/src/pages/asin/query-asin-export.ts b/admin-frontend-vue/src/pages/asin/query-asin-export.ts
new file mode 100644
index 00000000..43e28b21
--- /dev/null
+++ b/admin-frontend-vue/src/pages/asin/query-asin-export.ts
@@ -0,0 +1,24 @@
+/** 查询 ASIN 导出 URL 构建：按当前筛选下发 group_id/shop_name/asin/country（对齐 Java export @RequestParam snake_case）。 */
+import { normalizeQueryAsinCountry, type QueryAsinFilterState } from './query-asin-filter.ts'
+
+export const QUERY_ASIN_EXPORT_ENDPOINT = '/api/admin/query-asins/export'
+
+/** 按导出可用筛选(分组/店铺名/ASIN/国家)构建查询串；空白/非法条件不下发，避免导出范围被误解。 */
+export function buildQueryAsinExportQuery(state: QueryAsinFilterState): string {
+  const params = new URLSearchParams()
+  const groupId = state.groupId
+  if (typeof groupId === 'number' && groupId >= 1) params.set('group_id', String(Math.floor(groupId)))
+  const shopName = (state.shopName || '').trim()
+  if (shopName) params.set('shop_name', shopName)
+  const asin = (state.asin || '').trim()
+  if (asin) params.set('asin', asin)
+  const country = normalizeQueryAsinCountry(state.country)
+  if (country) params.set('country', country)
+  return params.toString()
+}
+
+/** 导出下载地址：浏览器直接访问该 URL 触发流式下载；无筛选时为全量导出。 */
+export function toQueryAsinExportUrl(state: QueryAsinFilterState): string {
+  const query = buildQueryAsinExportQuery(state)
+  return query ? `${QUERY_ASIN_EXPORT_ENDPOINT}?${query}` : QUERY_ASIN_EXPORT_ENDPOINT
+}
diff --git a/admin-frontend-vue/src/pages/asin/query-asin-filter.ts b/admin-frontend-vue/src/pages/asin/query-asin-filter.ts
index f2b3d2fb..f95bcc60 100644
--- a/admin-frontend-vue/src/pages/asin/query-asin-filter.ts
+++ b/admin-frontend-vue/src/pages/asin/query-asin-filter.ts
@@ -1,4 +1,5 @@
-/** 查询 ASIN 页面筛选/分页状态（任务 71）：分组/店铺名/ASIN/国家，仅下发非空且受支持的条件；Java 参数名 camelCase。 */
+/** 查询 ASIN 页面筛选/分页状态（任务 71）：分组/店铺名/ASIN/国家，仅下发非空且受支持的条件；
+ *  Java 参数名 snake_case（与 asin-filter 共享契约一致）：page_size/group_id/shop_name，裸 camel 后端收不到会导致筛选失效。 */
 import { ASIN_PAGE_DEFAULT_SIZE } from './asin-filter.ts'
 import { QUERY_ASIN_COUNTRIES } from './query-asin-model.ts'
 
@@ -24,9 +25,9 @@ export interface QueryAsinListParams {
 
 export interface QueryAsinQuery {
   page: number
-  pageSize: number
-  groupId?: number
-  shopName?: string
+  page_size: number
+  group_id?: number
+  shop_name?: string
   asin?: string
   country?: string
 }
@@ -92,11 +93,11 @@ export function toQueryAsinParams(
   })
 }
 
-/** 前端查询参数 → Java 查询参数；与 QueryAsinController @RequestParam(camel) 对齐，仅下发非空字段。 */
+/** 前端查询参数 → Java 查询参数；与 QueryAsinController @RequestParam(snake_case: page_size/group_id/shop_name/asin/country) 对齐，仅下发非空字段。 */
 export function toQueryAsinQuery(params: QueryAsinListParams): QueryAsinQuery {
-  const query: QueryAsinQuery = { page: params.page, pageSize: params.pageSize }
-  if (typeof params.groupId === 'number' && params.groupId >= 1) query.groupId = params.groupId
-  if (params.shopName) query.shopName = params.shopName
+  const query: QueryAsinQuery = { page: params.page, page_size: params.pageSize }
+  if (typeof params.groupId === 'number' && params.groupId >= 1) query.group_id = params.groupId
+  if (params.shopName) query.shop_name = params.shopName
   if (params.asin) query.asin = params.asin
   if (params.country) query.country = params.country
   return query
diff --git a/admin-frontend-vue/src/pages/asin/query-asin-import-api.ts b/admin-frontend-vue/src/pages/asin/query-asin-import-api.ts
index 643c8e78..b6c59f67 100644
--- a/admin-frontend-vue/src/pages/asin/query-asin-import-api.ts
+++ b/admin-frontend-vue/src/pages/asin/query-asin-import-api.ts
@@ -8,12 +8,13 @@ import {
 
 export const QUERY_ASIN_IMPORT_ENDPOINT = '/api/admin/query-asins/import'
 
-/** 启动导入添加；groupId 为 Excel 未提供分组时的兜底，可选（>=1 才下发）。 */
+/** 启动导入添加；groupId 为 Excel 未提供分组时的兜底，可选（>=1 才下发）。
+ *  参数名必须用 group_id：Java importExcel @RequestParam(name="group_id")，发 groupId 会被丢弃致兜底分组失效。 */
 export async function startQueryAsinImport(file: File, groupId?: number): Promise<string> {
   const form = new FormData()
   form.append('file', file, file.name)
   if (typeof groupId === 'number' && Number.isFinite(groupId) && groupId >= 1) {
-    form.append('groupId', String(Math.floor(groupId)))
+    form.append('group_id', String(Math.floor(groupId)))
   }
   const { data } = await http.post<unknown>(QUERY_ASIN_IMPORT_ENDPOINT, form)
   return parseQueryAsinImportStart(data)
diff --git a/admin-frontend-vue/tests/task-71.test.ts b/admin-frontend-vue/tests/task-71.test.ts
index 429102e9..bb233326 100644
--- a/admin-frontend-vue/tests/task-71.test.ts
+++ b/admin-frontend-vue/tests/task-71.test.ts
@@ -15,6 +15,7 @@ import {
   toQueryAsinParams,
   toQueryAsinQuery,
 } from '../src/pages/asin/query-asin-filter.ts'
+import { buildQueryAsinExportQuery, toQueryAsinExportUrl } from '../src/pages/asin/query-asin-export.ts'
 
 test('test_task_071_query_asin_list_normal_primary_path', () => {
   // 正常主路径：Java QueryAsinPageVo(camel) 宽行(每店铺 5 国家 ASIN)解析为前端分页结果。
@@ -115,24 +116,26 @@ test('test_task_071_query_asin_list_boundary_limit_or_missing_field', () => {
     999,
   ))
   assert.equal(query.page, 1)
-  assert.equal(query.pageSize, 100)
-  assert.equal('groupId' in query, false, '分组 0 不应下发')
-  assert.equal('shopName' in query, false, '空白店铺名不应下发')
+  assert.equal(query.page_size, 100)
+  assert.equal('group_id' in query, false, '分组 0 不应下发')
+  assert.equal('shop_name' in query, false, '空白店铺名不应下发')
   assert.equal('asin' in query, false)
   assert.equal('country' in query, false, '不支持的国家码不应下发')
-  // 正常非空值仍以 Java camelCase 参数名下发。
+  // 正常非空值以 Java snake_case 参数名下发（QueryAsinController @RequestParam(page_size/group_id/shop_name) 契约）。
   const filled = toQueryAsinQuery(toQueryAsinParams(
     { groupId: 5, shopName: ' 蓝店 ', asin: 'B0X', country: 'de' },
     3,
     25,
   ))
   assert.equal(filled.page, 3)
-  assert.equal(filled.pageSize, 25)
-  assert.equal(filled.groupId, 5)
-  assert.equal(filled.shopName, '蓝店')
+  assert.equal(filled.page_size, 25)
+  assert.equal(filled.group_id, 5)
+  assert.equal(filled.shop_name, '蓝店')
   assert.equal(filled.asin, 'B0X')
   assert.equal(filled.country, 'DE')
-  assert.equal('page_size' in (filled as Record<string, unknown>), false, '不应下发 page_size(snake)')
+  assert.equal('pageSize' in (filled as Record<string, unknown>), false, '不应下发 pageSize(camel)：后端收不到会导致筛选/分页失效')
+  assert.equal('groupId' in (filled as Record<string, unknown>), false, '不应下发 groupId(camel)')
+  assert.equal('shopName' in (filled as Record<string, unknown>), false, '不应下发 shopName(camel)')
 })
 
 test('test_task_071_query_asin_country_semantics', () => {
@@ -174,3 +177,16 @@ test('test_task_071_query_asin_list_dependency_failure_returns_actionable_messag
   const model = readSource('src/pages/asin/query-asin-model.ts')
   assert.equal(/axios|http\./.test(model), false, '查询 ASIN 列表解析保持纯逻辑')
 })
+
+test('test_task_071_query_asin_export_url_follows_filter', () => {
+  // 导出 URL 跟随当前筛选：非空条件以 snake 参数下发（后端 export @RequestParam 契约），空白/非法条件与无筛选时退回全量。
+  const url = toQueryAsinExportUrl({ groupId: 5, shopName: ' 蓝店 ', asin: ' B0X ', country: 'de' })
+  assert.equal(url.startsWith('/api/admin/query-asins/export?'), true)
+  const params = new URLSearchParams(url.split('?')[1])
+  assert.equal(params.get('group_id'), '5')
+  assert.equal(params.get('shop_name'), '蓝店')
+  assert.equal(params.get('asin'), 'B0X')
+  assert.equal(params.get('country'), 'DE')
+  assert.equal(buildQueryAsinExportQuery({ groupId: 0, shopName: '  ', asin: '', country: 'XX' }), '', '空白/非法条件不下发')
+  assert.equal(toQueryAsinExportUrl({ groupId: null, shopName: '', asin: '', country: '' }), '/api/admin/query-asins/export', '无筛选即全量导出')
+})