diff --git a/inventory-web/src/api/inbound/stock.ts b/inventory-web/src/api/inbound/stock.ts
index de5370f..0226a47 100644
--- a/inventory-web/src/api/inbound/stock.ts
+++ b/inventory-web/src/api/inbound/stock.ts
@@ -20,11 +20,12 @@ export function getStockList(params: { page?: number; pageSize?: number; keyword
 }
 
 // 扫码精确匹配库存（盘库/出库/借库通用，替代模糊搜索漏匹配问题）
-export function scanStockByBarcode(barcode: string) {
+// company: 跨域/超管场景下需显式指定公司；不传则由后端按 JWT 里的公司隔离
+export function scanStockByBarcode(barcode: string, company?: string) {
     return request({
         url: '/v1/inbound/stock/scan',
         method: 'get',
-        params: { barcode }
+        params: company ? { barcode, company_name: company } : { barcode }
     })
 }
 
@@ -89,6 +90,7 @@ export function getDraftMergedList(params: {
   status_filter?: string
   page?: number
   pageSize?: number
+  company_name?: string
 }) {
     return request({
         url: '/v1/inbound/stock/draft/merged-list',
@@ -97,8 +99,22 @@ export function getDraftMergedList(params: {
     })
 }
 
+// 盘点页的公司下拉选项（超管拿到全部公司，普通用户只拿到本公司）
+export function getStocktakeCompanies() {
+    return request({
+        url: '/v1/inbound/stock/stocktake/companies',
+        method: 'get'
+    })
+}
+
 // 获取应盘物资清单（盘点基数）
-export function getAllStocktakeItems(params?: { keyword?: string; session_id?: string }) {
+export function getAllStocktakeItems(params?: {
+  keyword?: string
+  session_id?: string
+  page?: number
+  pageSize?: number
+  company_name?: string
+}) {
     return request({
         url: '/v1/inbound/stock/stocktake/all-items',
         method: 'get',
@@ -107,10 +123,15 @@ export function getAllStocktakeItems(params?: { keyword?: string; session_id?: s
 }
 
 // 更新盘点实盘数（手动修改）
-export function updateStocktakeQuantity(data: { stock_id: number; source_table: string; quantity: number; session_id?: string }) {
+// company 走 query string（后端 get_current_company_filter 只读 request.args，不读 body）
+export function updateStocktakeQuantity(
+    data: { stock_id: number; source_table: string; quantity: number; session_id?: string },
+    company?: string
+) {
     return request({
         url: '/v1/inbound/stock/stocktake/update-quantity',
         method: 'post',
+        params: company ? { company_name: company } : undefined,
         data
     })
 }
diff --git a/inventory-web/src/stores/user.ts b/inventory-web/src/stores/user.ts
index 9e4ab22..856c345 100644
--- a/inventory-web/src/stores/user.ts
+++ b/inventory-web/src/stores/user.ts
@@ -30,6 +30,14 @@ function getTokenExp(token: string): number | null {
     return decoded?.exp ? decoded.exp * 1000 : null // 转换为毫秒
 }
 
+// 从 JWT 读取用户所属公司。
+// 多租户隔离的依据：后端 get_current_company_filter() 读的也是这个 claim，
+// 前端拿它作为「公司选择器」的默认值（普通用户锁定本公司）。
+function readCompanyFromToken(token: string): string {
+    const decoded = parseJWT(token)
+    return decoded?.company_name || ''
+}
+
 export const useUserStore = defineStore('user', () => {
     // 1. State: 初始化时优先从 localStorage 获取，防止刷新丢失
     const token = ref(localStorage.getItem('access_token') || localStorage.getItem('token') || '')
@@ -37,6 +45,8 @@ export const useUserStore = defineStore('user', () => {
     const role = ref(localStorage.getItem('role') || '')
     const username = ref(localStorage.getItem('username') || '')
     const permissions = ref<string[]>(JSON.parse(localStorage.getItem('permissions') || '[]'))
+    // 所属公司（取自 JWT claim company_name）；空字符串表示未绑定公司
+    const companyName = ref(readCompanyFromToken(localStorage.getItem('access_token') || localStorage.getItem('token') || ''))
 
     // 兼容旧版 localStorage key
     if (localStorage.getItem('token') && !localStorage.getItem('access_token')) {
@@ -66,6 +76,7 @@ export const useUserStore = defineStore('user', () => {
         // 更新 Pinia 状态 (内存)
         token.value = data.access_token
         refreshToken.value = data.refresh_token || ''
+        companyName.value = readCompanyFromToken(data.access_token)
 
         // 处理用户信息 (确保后端返回结构中有 user 字段)
         if (data.user) {
@@ -114,6 +125,7 @@ export const useUserStore = defineStore('user', () => {
     // 更新 Access Token（无感刷新时调用）
     const setToken = (newToken: string) => {
         token.value = newToken
+        companyName.value = readCompanyFromToken(newToken)
         localStorage.setItem('access_token', newToken)
 
         // [Dify] Token 刷新后，重新初始化 Dify 以更新用户会话
@@ -130,6 +142,7 @@ export const useUserStore = defineStore('user', () => {
         role.value = ''
         username.value = ''
         permissions.value = []
+        companyName.value = ''
 
         // 2. 清空 LocalStorage (硬盘)
         localStorage.removeItem('access_token')
@@ -198,6 +211,7 @@ export const useUserStore = defineStore('user', () => {
         refreshToken,
         role,
         username,
+        companyName,
         permissions,
         handleLogin,
         setToken,