diff --git a/src/main/resources/mapper/DataPetitionComplaintMapper.xml b/src/main/resources/mapper/DataPetitionComplaintMapper.xml
index 828b944..5d5adca 100644
--- a/src/main/resources/mapper/DataPetitionComplaintMapper.xml
+++ b/src/main/resources/mapper/DataPetitionComplaintMapper.xml
@@ -18,7 +18,7 @@
             pc.*, n.id negative_id, n.*
         FROM
             data_petition_complaint pc
-                LEFT JOIN negative n ON n.originId = pc.origin_id
+                RIGHT JOIN negative n ON n.originId = pc.origin_id
             ${ew.getCustomSqlSegment}
     </select>