From dd5c5718508cbea9e51831fdea7273c2090c9ac7 Mon Sep 17 00:00:00 2001
From: API Changelog Bot <changelog@hulalv.com>
Date: Fri, 27 Mar 2026 18:30:29 +0800
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+# 产品详情新增早鸟优惠文字描述
+
+- **日期**: 2026-03-27
+- **PR**: #27
+- **服务**: hl-mp-service
+- **类型**: feat
+
+## 变更内容
+
+`GET /mp/product/{productId}` 产品详情接口新增字段 `earlyBirdText`。
+
+### 新增字段
+
+| 字段 | 类型 | 说明 | 示例 |
+|------|------|------|------|
+| earlyBirdText | String | 早鸟优惠文字描述，无优惠时为null | "早鸟优惠：满2人立减50元/人" |
+
+### 返回示例
+
+```json
+{
+  "earlyBirdDiscount": 50,
+  "earlyBirdPlanName": "暑期早鸟",
+  "earlyBirdText": "早鸟优惠：满2人立减50元/人"
+}
+```
+
+## 前端影响
+
+- 新增字段，向后兼容，无需改动即可使用
+- 小程序产品详情页可直接展示 earlyBirdText 文字
+
+## 需要重启
+
+- hl-mp-service