diff --git a/adc-da-slrs/src/main/resources/mybatis/mapper/askQuestions/AskQuestionsMapper.xml b/adc-da-slrs/src/main/resources/mybatis/mapper/askQuestions/AskQuestionsMapper.xml
index 19159547..9496b060 100644
--- a/adc-da-slrs/src/main/resources/mybatis/mapper/askQuestions/AskQuestionsMapper.xml
+++ b/adc-da-slrs/src/main/resources/mybatis/mapper/askQuestions/AskQuestionsMapper.xml
@@ -9,7 +9,7 @@
             aq.STANDARD_NAME,
             MAX(aq.QUESTION_TIME) as questionTime
             FROM ask_questions aq
-            LEFT JOIN reply ON aq.ID = reply.ASK_ID
+            LEFT JOIN (SELECT DISTINCT re.ANSWERER,re.ASK_ID FROM reply re) reply ON aq.ID = reply.ASK_ID
             LEFT JOIN ts_user t1 ON t1.USID = aq.QUESTIONER
             LEFT JOIN ts_user t2 ON t2.USID = reply.ANSWERER
             <where>