diff --git a/backend/internal/handler/merchant.go b/backend/internal/handler/merchant.go
index a586c4c..74685d0 100644
--- a/backend/internal/handler/merchant.go
+++ b/backend/internal/handler/merchant.go
@@ -57,9 +57,8 @@ func mapKeys(values map[string]struct{}) []string {
 func (h *MerchantHandler) ListProducts(c *gin.Context) {
 	page, size := pageParams(c)
 	list, total, err := h.merchantSvc.ListMerchantProductsWithOptions(middleware.GetMerchantID(c), page, size, service.ListMerchantProductsOptions{
-		Status:                strings.TrimSpace(c.Query("status")),
-		Keyword:               strings.TrimSpace(c.Query("keyword")),
-		ExcludeLegacyLewanSKU: true, // LEWAN_* 镜像已废弃，列表永不返回
+		Status:  strings.TrimSpace(c.Query("status")),
+		Keyword: strings.TrimSpace(c.Query("keyword")),
 	})
 	if err != nil {
 		if err.Error() == "无效的商品状态" {
diff --git a/backend/internal/service/merchant_product.go b/backend/internal/service/merchant_product.go
index 080f8e7..44c66b8 100644
--- a/backend/internal/service/merchant_product.go
+++ b/backend/internal/service/merchant_product.go
@@ -84,10 +84,9 @@ func (s *MerchantService) CreateMerchantProduct(merchantID uint, in CreateMercha
 }
 
 type ListMerchantProductsOptions struct {
-	ActiveOnly            bool
-	ExcludeLegacyLewanSKU bool
-	Status                string // active / inactive；空表示不限（ActiveOnly 优先）
-	Keyword               string
+	ActiveOnly bool
+	Status     string // active / inactive；空表示不限（ActiveOnly 优先）
+	Keyword    string
 }
 
 func (s *MerchantService) ListMerchantProducts(merchantID uint, page, size int, activeOnly bool) ([]model.MerchantProduct, int64, error) {
@@ -96,11 +95,10 @@ func (s *MerchantService) ListMerchantProducts(merchantID uint, page, size int,
 	})
 }
 
-// ListMerchantProductsForClient 商户开放 API / 手工下单选品：排除 LEWAN_* 镜像，只返回英文主 sku。
+// ListMerchantProductsForClient 商户开放 API / 手工下单选品：只返回在售英文主 sku。
 func (s *MerchantService) ListMerchantProductsForClient(merchantID uint, page, size int) ([]model.MerchantProduct, int64, error) {
 	return s.ListMerchantProductsWithOptions(merchantID, page, size, ListMerchantProductsOptions{
-		ActiveOnly:            true,
-		ExcludeLegacyLewanSKU: true,
+		ActiveOnly: true,
 	})
 }
 
@@ -116,9 +114,6 @@ func (s *MerchantService) ListMerchantProductsWithOptions(merchantID uint, page,
 		}
 		tx = tx.Where("status = ?", status)
 	}
-	if opts.ExcludeLegacyLewanSKU {
-		tx = tx.Where("sku NOT ILIKE ?", "lewan_%")
-	}
 	if keyword := strings.TrimSpace(opts.Keyword); keyword != "" {
 		like := "%" + keyword + "%"
 		tx = tx.Where("(sku ILIKE ? OR display_name ILIKE ?)", like, like)
diff --git a/frontend/src/pages/PlatformProducts.tsx b/frontend/src/pages/PlatformProducts.tsx
index ca9421e..307b080 100644
--- a/frontend/src/pages/PlatformProducts.tsx
+++ b/frontend/src/pages/PlatformProducts.tsx
@@ -879,9 +879,9 @@ export default function PlatformProducts() {
               <Form.Item
                 name="dlc_good_id"
                 label="第一平台 (DLC) GoodID (选填)"
-                extra="留空将按系统内置预设映射自动选择（例如 yg_60_points 对应 1936306173007360000）"
+                extra="留空则使用系统内置「英文 SKU → DLC GoodID」预设；有乐玩商品请另填乐玩 UUID"
               >
-                <Input placeholder="留空使用预设映射，或手动指定数字ID" allowClear />
+                <Input placeholder="留空使用内置 DLC 映射，或手动指定上游商品 ID" allowClear />
               </Form.Item>
             </Col>
           </Row>
diff --git a/frontend/src/utils/productImage.ts b/frontend/src/utils/productImage.ts
index 26c4707..9ca49a1 100644
--- a/frontend/src/utils/productImage.ts
+++ b/frontend/src/utils/productImage.ts
@@ -7,7 +7,7 @@
 
 export type ProductImageInput = {
   sku?: string | null
-  /** 上游缩略图 URL（乐玩/DLC）；仅在无本地 SKU 图时作回退 */
+  /** 上游缩略图 URL（乐玩/DLC）；仅在无本地 SKU 图时作 image-proxy 回退 */
   url?: string | null
 }
 
@@ -25,8 +25,7 @@ export function resolveProductImageBySku(sku?: string | null): string {
 /**
  * 解析展示用商品图：
  * 1. 有 sku → `/images/products/{sku}.webp`
- * 2. 否则从 url 提取乐玩 UUID → `/images/products/{uuid}.webp`（历史缓存）
- * 3. 其它外链 → image-proxy（运行时落盘到 data/uploads/products，仅兜底）
+ * 2. 其它外链 → image-proxy（运行时落盘到 data/uploads/products，仅兜底）
  */
 export function resolveProductImage(input?: string | ProductImageInput | null): string {
   if (input == null) return ''
@@ -47,10 +46,5 @@ export function resolveProductImage(input?: string | ProductImageInput | null):
   if (!url) return ''
   if (url.startsWith('/')) return url
 
-  const uuidMatch = url.match(/\/products\/([a-zA-Z0-9-]+)(?:\/|\.|$)/)
-  if (uuidMatch?.[1]) {
-    return `/images/products/${uuidMatch[1]}.webp`
-  }
-
   return `/api/delivery/v1/image-proxy?url=${encodeURIComponent(url)}`
 }