From db8471bb167970211439f6e951569b5381609072 Mon Sep 17 00:00:00 2001
From: WrBug <iwrbug@gmail.com>
Date: Tue, 20 Jan 2026 11:38:41 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E7=BB=9F=E4=B8=80=E5=8D=96=E5=87=BA?=
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- 修改卖出订单的市场分组排序逻辑
- 按照该市场最近的卖出订单时间倒序排序（与买入订单保持一致）
- 替换原有的按订单数量倒序排序规则
- 优化分组显示的用户体验，便于快速定位活跃市场
---
 .../statistics/CopyTradingStatisticsService.kt         | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/statistics/CopyTradingStatisticsService.kt b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/statistics/CopyTradingStatisticsService.kt
index cff81c4..dda46f8 100644
--- a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/statistics/CopyTradingStatisticsService.kt
+++ b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/statistics/CopyTradingStatisticsService.kt
@@ -799,7 +799,15 @@ class CopyTradingStatisticsService(
                     stats = stats,
                     orders = orderDtos as List<Any>
                 )
-            }.sortedByDescending { it.stats.count }
+            }.sortedByDescending { group ->
+                // 找出该市场最近的卖出订单时间（与买入订单分组排序规则一致）
+                group.orders.mapNotNull { order ->
+                    when (order) {
+                        is SellOrderInfo -> order.createdAt
+                        else -> null
+                    }
+                }.maxOrNull() ?: 0L
+            }
             
             // 5. 分页
             val page = (request.page ?: 1)