fix(api): 优化立减金领取模式映射逻辑

- 新增易码通立减金领取模式映射 YMTVoucherReceiveMode
- 根据数据源区分使用对应的领取模式映射
- 修正 order_voucher.receive_mode 和 voucher.receive_mode 字段的转换逻辑
- 保持营销系统和易码通的领取模式显示一致性

server/internal/api/exports.go

@@ -1125,10 +1125,16 @@ func transformRow(ds string, fields []string, vals []string) []string {
 		// order_voucher.receive_mode / voucher.receive_mode - 领取方式
 		if f == "order_voucher.receive_mode" || f == "voucher.receive_mode" {
 			if n := parseIntVal(v); n >= 0 {
+				if ds == "ymt" {
+					if label, ok := constants.YMTVoucherReceiveMode[n]; ok {
+						vals[i] = label
+					}
+				} else {
 					if label, ok := constants.OrderVoucherReceiveMode[n]; ok {
 						vals[i] = label
 					}
 				}
+			}
 			continue
 		}
 		// voucher.is_webview - 打开方式

server/internal/constants/enums.go

@@ -205,12 +205,18 @@ var MarketingOrderVoucherStatus = map[int]string{
 	9: "发放失败",
 }
 
-// OrderVoucherReceiveMode 立减金领取模式映射
+// OrderVoucherReceiveMode 立减金领取模式映射（营销系统）
 var OrderVoucherReceiveMode = map[int]string{
-	1: "渠道授权用户id",
+	1: "官方授权领取",
 	2: "手机号或邮箱",
 }
 
+// YMTVoucherReceiveMode 立减金领取模式映射（易码通）
+var YMTVoucherReceiveMode = map[int]string{
+	1: "官方授权领取",
+	2: "账号领取",
+}
+
 // OrderDigitOrderType 数字订单类型映射
 var OrderDigitOrderType = map[int]string{
 	1: "直充",