diff --git a/admin-frontend-vue/src/pages/shop/shop-manage-api.ts b/admin-frontend-vue/src/pages/shop/shop-manage-api.ts
index 75c6033e..fe813d49 100644
--- a/admin-frontend-vue/src/pages/shop/shop-manage-api.ts
+++ b/admin-frontend-vue/src/pages/shop/shop-manage-api.ts
@@ -13,6 +13,7 @@ import {
 } from './shop-dto.ts'
 import {
   toShopManageCreateRequest,
+  toShopManageUpdateRequest,
   validateShopManageForm,
   type ShopManageFormValues,
 } from './shop-manage-form-model.ts'
@@ -46,3 +47,17 @@ export async function submitCreateShopManage(form: ShopManageFormValues, created
   }
   return item
 }
+
+/** 提交编辑店铺：先校验(失败抛首条错误不发请求)，PUT /api/admin/shop-manages/{id}。 */
+export async function submitUpdateShopManage(id: number, form: ShopManageFormValues): Promise<ShopSummary> {
+  const { valid, errors } = validateShopManageForm(form)
+  if (!valid) {
+    throw new Error(Object.values(errors)[0] || '店铺表单校验未通过')
+  }
+  const { data } = await http.put<unknown>(`${SHOP_MANAGE_ENDPOINT}/${id}`, toShopManageUpdateRequest(form))
+  const item = toShopSummary(unwrap<unknown>(data))
+  if (!item) {
+    throw new Error('更新店铺响应异常：未返回有效记录')
+  }
+  return item
+}
diff --git a/admin-frontend-vue/src/pages/shop/shop-manage-edit-form.ts b/admin-frontend-vue/src/pages/shop/shop-manage-edit-form.ts
new file mode 100644
index 00000000..e3c6d187
--- /dev/null
+++ b/admin-frontend-vue/src/pages/shop/shop-manage-edit-form.ts
@@ -0,0 +1,31 @@
+/** 店铺编辑表单模型（任务 92）：由店铺行预填可编辑字段(分组/名称/账号)，纯逻辑。 */
+import type { ShopSummary } from './shop-dto.ts'
+import type { ShopManageFormValues } from './shop-manage-form-model.ts'
+
+function finiteId(value: unknown): number | null {
+  return typeof value === 'number' && Number.isFinite(value) && value >= 1 ? Math.floor(value) : null
+}
+
+function groupIdOr(item: ShopSummary): number | null {
+  return typeof item.groupId === 'number' && Number.isFinite(item.groupId) && item.groupId >= 1
+    ? Math.floor(item.groupId)
+    : null
+}
+
+function textField(value: unknown): string {
+  return typeof value === 'string' ? value : ''
+}
+
+/** 由店铺行预填编辑表单：密码掩码不回填明文，需保存时重新录入（后端更新要求必填）。 */
+export function buildShopManageEditForm(item: ShopSummary | null | undefined): ShopManageFormValues | null {
+  if (!item || typeof item !== 'object') return null
+  if (finiteId(item.id) === null) return null
+  return {
+    groupId: groupIdOr(item),
+    shopName: textField(item.shopName),
+    mallName: textField(item.mallName),
+    znUsername: textField(item.znUsername),
+    account: textField(item.account),
+    password: '',
+  }
+}
diff --git a/admin-frontend-vue/src/pages/shop/shop-manage-form-model.ts b/admin-frontend-vue/src/pages/shop/shop-manage-form-model.ts
index 6e94f860..424e6f43 100644
--- a/admin-frontend-vue/src/pages/shop/shop-manage-form-model.ts
+++ b/admin-frontend-vue/src/pages/shop/shop-manage-form-model.ts
@@ -33,6 +33,16 @@ export interface ShopManageCreatePayload {
   znUsername?: string
 }
 
+/** 发送 PUT /api/admin/shop-manages/{id} 的请求体（与 Java ShopManageUpdateRequest camelCase 对齐）。 */
+export interface ShopManageUpdatePayload {
+  groupId: number
+  shopName: string
+  mallName: string
+  account: string
+  password: string
+  znUsername?: string
+}
+
 export function emptyShopManageForm(): ShopManageFormValues {
   return { groupId: null, shopName: '', mallName: '', znUsername: '', account: '', password: '' }
 }
@@ -66,8 +76,18 @@ export function validateShopManageForm(form: ShopManageFormValues): { valid: boo
   return { valid: Object.keys(errors).length === 0, errors }
 }
 
-/** 新增表单 → 创建请求体；缺有效分组/必填时抛可操作错误（调用前应先校验）。 */
-export function toShopManageCreateRequest(form: ShopManageFormValues, createdById: number): ShopManageCreatePayload {
+/** 新增/更新共用的必填业务段。 */
+interface ManagePayloadBase {
+  groupId: number
+  shopName: string
+  mallName: string
+  account: string
+  password: string
+  znUsername?: string
+}
+
+/** 通用必填段(校验 + 归一)；缺有效分组/必填时抛可操作错误（调用前应先校验）。 */
+function requiredBase(form: ShopManageFormValues): ManagePayloadBase {
   const groupId = positiveGroupId(form.groupId)
   if (groupId === null) {
     throw new Error('分组不能为空')
@@ -76,15 +96,24 @@ export function toShopManageCreateRequest(form: ShopManageFormValues, createdByI
   if (!errorText(form.mallName)) throw new Error('商城名称不能为空')
   if (!errorText(form.account)) throw new Error('账号不能为空')
   if (!errorText(form.password)) throw new Error('密码不能为空')
-  const payload: ShopManageCreatePayload = {
+  const payload: ManagePayloadBase = {
     groupId,
     shopName: errorText(form.shopName),
     mallName: errorText(form.mallName),
     account: errorText(form.account),
     password: errorText(form.password),
-    createdById,
   }
   const znUsername = (form.znUsername || '').trim()
   if (znUsername) payload.znUsername = znUsername
   return payload
 }
+
+/** 新增表单 → 创建请求体（含 createdById）。 */
+export function toShopManageCreateRequest(form: ShopManageFormValues, createdById: number): ShopManageCreatePayload {
+  return { ...requiredBase(form), createdById }
+}
+
+/** 编辑表单 → 更新请求体（与新增同字段，不含 createdById）。 */
+export function toShopManageUpdateRequest(form: ShopManageFormValues): ShopManageUpdatePayload {
+  return requiredBase(form)
+}
diff --git a/admin-frontend-vue/tests/task-92.test.ts b/admin-frontend-vue/tests/task-92.test.ts
new file mode 100644
index 00000000..748b5f47
--- /dev/null
+++ b/admin-frontend-vue/tests/task-92.test.ts
@@ -0,0 +1,86 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { readSource } from './helpers.ts'
+import { buildShopManageEditForm } from '../src/pages/shop/shop-manage-edit-form.ts'
+import { toShopManageUpdateRequest, validateShopManageForm } from '../src/pages/shop/shop-manage-form-model.ts'
+import type { ShopSummary } from '../src/pages/shop/shop-dto.ts'
+
+function row(id: number, over: Partial<ShopSummary> = {}): ShopSummary {
+  return { id, groupId: 3, groupName: '华东组', shopName: '', mallName: '', znUsername: '', account: '', ...over }
+}
+
+test('test_task_092_shop_manage_edit_form_normal_primary_path', () => {
+  // 正常主路径：由店铺行预填可编辑字段；密码需重新录入(掩码不回填)。
+  const form = buildShopManageEditForm(row(9, { groupId: 3, shopName: 'BlueWave', mallName: 'M', znUsername: 'robot', account: 'a@b.c', passwordMasked: '******' }))
+  assert.ok(form)
+  assert.equal(form!.groupId, 3)
+  assert.equal(form!.shopName, 'BlueWave')
+  assert.equal(form!.mallName, 'M')
+  assert.equal(form!.znUsername, 'robot')
+  assert.equal(form!.account, 'a@b.c')
+  assert.equal(form!.password, '', '掩码不回填为明文')
+  const filled = { ...form!, password: 'new-pw' }
+  const { valid } = validateShopManageForm(filled)
+  assert.equal(valid, true)
+  const request = toShopManageUpdateRequest(filled)
+  assert.equal(request.groupId, 3)
+  assert.equal(request.password, 'new-pw')
+  assert.equal('createdById' in request, false, '更新请求体不带 createdById')
+})
+
+test('test_task_092_shop_manage_edit_form_normal_variant_input', () => {
+  // 正常变体：无分组行回填为空分组待重选。
+  const form = buildShopManageEditForm(row(4, { groupId: null, shopName: 'RedSun' }))
+  assert.ok(form)
+  assert.equal(form!.groupId, null)
+  assert.equal(form!.shopName, 'RedSun')
+})
+
+test('test_task_092_shop_manage_edit_form_repeated_is_idempotent', () => {
+  // 正常重复：预填不改原记录、结果稳定。
+  const item = row(2, { shopName: 'S', account: 'a' })
+  const first = buildShopManageEditForm(item)
+  const second = buildShopManageEditForm(item)
+  assert.deepEqual(first, second)
+  assert.equal(item.shopName, 'S')
+})
+
+test('test_task_092_shop_manage_edit_form_boundary_empty_input', () => {
+  // 边界空值：缺省可选字段回填为空串且结构完整。
+  const form = buildShopManageEditForm(row(1))
+  assert.ok(form)
+  assert.equal(form!.znUsername, '')
+  assert.equal(form!.mallName, '')
+})
+
+test('test_task_092_shop_manage_edit_form_boundary_single_item', () => {
+  // 边界单元素：仅 id/店铺名的最小行仍可预填。
+  const form = buildShopManageEditForm({ id: 6, groupId: 1, groupName: 'g', shopName: 'X', mallName: '', znUsername: '', account: '', createdAt: 't' } as ShopSummary)
+  assert.ok(form)
+  assert.equal(form!.shopName, 'X')
+})
+
+test('test_task_092_shop_manage_edit_form_boundary_limit_or_missing_field', () => {
+  // 边界上限/缺字段：账号名/店铺名按行值保留，不因掩码显示而截断。
+  const longAccount = 'u'.repeat(200)
+  const form = buildShopManageEditForm(row(7, { account: longAccount, shopName: '长店名'.repeat(30) }))
+  assert.ok(form)
+  assert.equal(form!.account, longAccount)
+})
+
+test('test_task_092_shop_manage_edit_form_invalid_input_rejected', () => {
+  // 异常输入：空记录/缺 id 无法构建编辑表单。
+  assert.equal(buildShopManageEditForm(null as unknown as ShopSummary), null)
+  assert.equal(buildShopManageEditForm({ id: Number.NaN } as unknown as ShopSummary), null)
+})
+
+test('test_task_092_shop_manage_edit_form_dependency_failure_returns_actionable_message', () => {
+  // 依赖失败/提交走 adapter：编辑模型纯逻辑，adapter PUT /api/admin/shop-manages/{id}。
+  const model = readSource('src/pages/shop/shop-manage-edit-form.ts')
+  assert.equal(/axios|http\.|vue/.test(model), false, '编辑模型保持纯逻辑')
+  assert.match(model, /掩码|敏感/)
+  const api = readSource('src/pages/shop/shop-manage-api.ts')
+  assert.match(api, /submitUpdateShopManage/)
+  assert.match(api, /http\.put/)
+  assert.match(api, /\/api\/admin\/shop-manages/)
+})