diff --git a/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml b/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml
index 45bdb342..14e92450 100644
--- a/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml
+++ b/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml
@@ -204,13 +204,13 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="lastWorkUpdateTimeStart != null or lastWorkUpdateTimeEnd != null">
                 <choose>
                     <when test="lastWorkUpdateTimeStart != null and lastWorkUpdateTimeEnd != null">
-                        and t4.work_time between date_format(#{lastWorkUpdateTimeStart}, '%Y-%m-%d 00:00:00') and date_format(#{lastWorkUpdateTimeEnd}, '%Y-%m-%d 23:59:59')
+                        and ifnull(t4.work_time,t1.update_time) between date_format(#{lastWorkUpdateTimeStart}, '%Y-%m-%d 00:00:00') and date_format(#{lastWorkUpdateTimeEnd}, '%Y-%m-%d 23:59:59')
                     </when>
                     <when test="lastWorkUpdateTimeStart != null">
-                        and t4.work_time <![CDATA[ >= ]]>  date_format(#{lastWorkUpdateTimeStart}, '%Y-%m-%d 00:00:00')
+                        and ifnull(t4.work_time,t1.update_time) <![CDATA[ >= ]]>  date_format(#{lastWorkUpdateTimeStart}, '%Y-%m-%d 00:00:00')
                     </when>
                     <when test="lastWorkUpdateTimeEnd != null">
-                        and t4.work_time <![CDATA[ <= ]]> date_format(#{lastWorkUpdateTimeEnd}, '%Y-%m-%d 23:59:59')
+                        and ifnull(t4.work_time,t1.update_time) <![CDATA[ <= ]]> date_format(#{lastWorkUpdateTimeEnd}, '%Y-%m-%d 23:59:59')
                     </when>
 
                 </choose>