diff --git a/src/main/java/com/zhgd/xmgl/modules/policecamera/mapper/xml/WorkTicketMapper.xml b/src/main/java/com/zhgd/xmgl/modules/policecamera/mapper/xml/WorkTicketMapper.xml
index a0fb9f9a2..cf6effec0 100644
--- a/src/main/java/com/zhgd/xmgl/modules/policecamera/mapper/xml/WorkTicketMapper.xml
+++ b/src/main/java/com/zhgd/xmgl/modules/policecamera/mapper/xml/WorkTicketMapper.xml
@@ -30,6 +30,9 @@
         ,ifnull(sum(if(t.status=3,1,0)),0) as pause
         ,ifnull(sum(if(t.status=4,1,0)),0) as done
         from work_ticket t
-        where t.project_sn=#{projectSn}
+        where 1=1
+        <if test="projectSn != null and projectSn != ''">
+            and t.project_sn = #{projectSn}
+        </if>
     </select>
 </mapper>