diff --git a/src/main/resources/mapper/CaseExchangeMapper.xml b/src/main/resources/mapper/CaseExchangeMapper.xml
index e983eb2..5361c86 100644
--- a/src/main/resources/mapper/CaseExchangeMapper.xml
+++ b/src/main/resources/mapper/CaseExchangeMapper.xml
@@ -33,6 +33,7 @@
             FROM case_exchange a
             LEFT JOIN case_exchange_label b ON a.exchange_id = b.exchange_id
             LEFT JOIN user c ON c.user_id = a.user_id
+            LEFT JOIN user_comment_exchange d ON d.exchange_id = a.exchange_id
             WHERE a.exchange_status = 1
             AND a.delete_status = 0
             <if test="isSelected != null">
@@ -54,7 +55,6 @@
         ) AS result
         JOIN case_exchange a ON result.exchange_id = a.exchange_id
         LEFT JOIN user c ON c.user_id = a.user_id
-        LEFT JOIN user_comment_exchange d ON d.exchange_id = a.exchange_id
         <if test="order != null and !order.isEmpty()">
             ORDER BY
             <foreach item="entry" index="key" collection="order" separator=",">