From a141b997433db84907f1c5402c367eb8e37e79a0 Mon Sep 17 00:00:00 2001
From: zhangyue <zhangyue>
Date: Tue, 10 Mar 2026 18:30:15 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AD=A6=E5=91=98=E7=AD=BE=E5=AD=97=E9=87=8D?=
 =?UTF-8?q?=E5=A4=8Dbug?=
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---
 .../src/main/resources/mapper/study/StudentSignMapper.xml    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml b/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml
index 7cbb41f..2887b51 100644
--- a/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml
+++ b/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml
@@ -99,10 +99,11 @@
             AND ss.delete_enum = 'FALSE'
             and ss.sign_url is not null
             and ss.sign_url != ''
-
+        </where>
+            GROUP BY ss.id
             order by
             ss.create_time desc
-        </where>
+
     </select>
 
     <!--<select id="listAllByStudentId" resultType="com.zcloud.edu.persistence.dataobject.study.StudentSignDO">-->