diff --git a/lib/EmergencyService/zdxtLawEnforcementCodeService/src/main/resources/mapper/ComplaintStatisticsMapper.xml b/lib/EmergencyService/zdxtLawEnforcementCodeService/src/main/resources/mapper/ComplaintStatisticsMapper.xml
index 7898a176..f66faf7a 100644
--- a/lib/EmergencyService/zdxtLawEnforcementCodeService/src/main/resources/mapper/ComplaintStatisticsMapper.xml
+++ b/lib/EmergencyService/zdxtLawEnforcementCodeService/src/main/resources/mapper/ComplaintStatisticsMapper.xml
@@ -214,6 +214,6 @@
         left join (select id, bureau_dept_id, bureau_dept_name
         from enforcement_registration
         where enterprise_number is not null and check_category is not null) r
-        on c.rid = r.id
+        on c.rid = r.id  COLLATE utf8mb4_general_ci
     </select>
 </mapper>
\ No newline at end of file