feat: 优化发货凭证与字段兼容，隐藏内部积分展示并增强DLC角色解析

backend/internal/router/router.go

@@ -113,6 +113,7 @@ func Setup(h *Handlers) *gin.Engine {
 			delivery.POST("/orders/:order_no/bind", h.Delivery.Bind)
 			delivery.POST("/orders/:order_no/submit", h.Delivery.Submit)
 			delivery.GET("/image-proxy", h.Delivery.ImageProxy)
+			delivery.HEAD("/image-proxy", h.Delivery.ImageProxy)
 		}
 
 		// 源头侧接口：上游发货平台查询订单并回传发货结果。

backend/internal/service/fulfillment_data.go

@@ -138,12 +138,16 @@ func extractGameFields(raw string, out *OpenOrderQuery) {
 		}
 	}
 	if out.GameUID == "" {
-		if v, ok := m["game_uid"].(string); ok {
+		if v, ok := m["game_uid"].(string); ok && v != "" {
+			out.GameUID = v
+		} else if v, ok := m["game_account"].(string); ok && v != "" {
 			out.GameUID = v
 		}
 	}
 	if out.RoleName == "" {
-		if v, ok := m["role_name"].(string); ok {
+		if v, ok := m["role_name"].(string); ok && v != "" {
+			out.RoleName = v
+		} else if v, ok := m["game_account_role_name"].(string); ok && v != "" {
 			out.RoleName = v
 		}
 	}

frontend/src/pages/Delivery.tsx

@@ -379,7 +379,6 @@ export default function Delivery() {
                           <Tag color="blue">{order.product?.sku || '-'}</Tag>
                           {order.product?.game && <Tag color="cyan">{order.product.game}</Tag>}
                           <Tag color="green">已发放 1 件</Tag>
-                          <Tag color="purple">{order.amount} 积分</Tag>
                         </Space>
                       </div>
                     </div>

frontend/src/utils/voucher.ts

@@ -123,10 +123,10 @@ export async function generateDeliveryVoucher(order: DeliveryOrderInfo): Promise
   const gameText = order.product?.game ? ` · ${order.product.game}` : ''
   ctx.fillText(skuText + gameText, textLeft, prodCardY + 120)
 
-  // 金额与数量
+  // 交付状态与数量
   ctx.fillStyle = '#16a34a'
   ctx.font = 'bold 28px -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif'
-  ctx.fillText(`已发放: 1 件   |   价值: ${order.amount} 积分`, textLeft, prodCardY + 168)
+  ctx.fillText('已发放: 1 件', textLeft, prodCardY + 168)
 
   // 6. 核心凭证字段明细表
   const tableY = prodCardY + prodCardH + 32