From 456161e8ca7ce9397bac56e35f13ad2e078e3a69 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Fri, 17 Jun 2022 10:36:25 +0800
Subject: [PATCH] 1

---
 webapp/services/RankActivityService.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webapp/services/RankActivityService.php b/webapp/services/RankActivityService.php
index dfcfe77f..78667b79 100644
--- a/webapp/services/RankActivityService.php
+++ b/webapp/services/RankActivityService.php
@@ -89,7 +89,7 @@ class RankActivityService extends BaseService {
                      if ($opt == self::OP_SUM) {
                          return "value + ${val}";
                      } else if ($opt == self::OP_GREATEST) {
-                         return "GREATEST(0, ${val})";
+                         return "GREATEST(value, ${val})";
                      } else {
                          return $val;
                      }