报警信息传输云端

business-service/src/main/resources/mapper/service/BaseCameraManagementMapper.xml

@@ -229,7 +229,7 @@
         ORDER BY cameraCount DESC
     </select>
     <select id="cameraManagementList" resultType="com.ozs.service.entity.BaseCameraManagement" parameterType="com.ozs.service.entity.vo.BaseCameraManagementVo">
-        SELECT
+        SELECT DISTINCT
         a.id  AS id,
         a.camera_code AS cameraCode,
         a.railway_code AS railwayCode,