diff --git a/web-admin/src/utils/crm-product-brand.ts b/web-admin/src/utils/crm-product-brand.ts
index 26ed4ec25..8acb1e7d4 100644
--- a/web-admin/src/utils/crm-product-brand.ts
+++ b/web-admin/src/utils/crm-product-brand.ts
@@ -131,6 +131,7 @@ export function applyBrandSelectChange(
 }
 
 type LineAliasBrand = {
+  productId?: string | number
   productName?: string
   standardProductName?: string
   aliasName?: string
@@ -198,3 +199,50 @@ export function applyAliasDisplayMeta(
     aliasOptions
   )
 }
+
+/** 主数据别名/品牌维护成功后：同步同 productId 各行的 options，并校正已选值 */
+export function applyManagedProductMetaToLines(
+  lines: Array<LineAliasBrand & { productId?: string | number }>,
+  productId: string,
+  product: {
+    productName?: string
+    brands?: Array<{ id?: string; brandName?: string; status?: string }>
+    aliases?: Array<{ aliasName?: string }>
+  }
+) {
+  const pid = String(productId || '')
+  if (!pid) return
+  const meta = initLineBrandMetaFromProduct(product)
+  for (const line of lines || []) {
+    if (String(line.productId || '') !== pid) continue
+
+    line.standardProductName = meta.standardProductName
+    line.aliasOptions = meta.aliasOptions
+    const alias = String(line.aliasName || '').trim()
+    if (alias && !meta.aliasOptions.includes(alias)) {
+      line.aliasName = undefined
+    }
+
+    line.brandOptions = meta.brandOptions
+    if (meta.brandOptions.length) {
+      if (line.brandMode === 'required' && line.brandId) {
+        const still = meta.brandOptions.some((o) => o.id === String(line.brandId))
+        if (still) {
+          applyBrandSelectChange(line, line.brandId, meta.brandOptions)
+        } else {
+          line.brandMode = 'any'
+          line.brandId = undefined
+          line.brandName = undefined
+        }
+      } else {
+        line.brandMode = 'any'
+        line.brandId = undefined
+        line.brandName = undefined
+      }
+    } else {
+      line.brandMode = undefined
+      line.brandId = undefined
+      line.brandName = undefined
+    }
+  }
+}