diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/ProjectInfoMapper.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/ProjectInfoMapper.java
index 42ba4fb2..e91c5603 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/ProjectInfoMapper.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/ProjectInfoMapper.java
@@ -68,4 +68,6 @@ public interface ProjectInfoMapper
     List<SysUser> selectUserById(List<String> list);
 
     List<StatisticsDetailDto> listHomePageData(HomepageQueryDto dto);
+
+    void updateOrderTimeById(Long projectId);
 }
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/ProjectOrderInfoServiceImpl.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/ProjectOrderInfoServiceImpl.java
index 0b192145..a442a205 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/ProjectOrderInfoServiceImpl.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/ProjectOrderInfoServiceImpl.java
@@ -244,6 +244,8 @@ public class ProjectOrderInfoServiceImpl implements IProjectOrderInfoService, To
         if (CollUtil.isNotEmpty(contractFileList)) {
             fileLogService.updateOrderIdByIdList(projectOrderInfo.getId(), contractFileList.stream().map(ProjectOrderFileLog::getId).collect(Collectors.toList()));
         }
+        //修改项目预计下单时间
+        projectInfoMapper.updateOrderTimeById(projectOrderInfo.getProjectId());
         return i;
     }
 
@@ -326,6 +328,10 @@ public class ProjectOrderInfoServiceImpl implements IProjectOrderInfoService, To
         projectInfo.setIndustryType(projectOrderInfo.getIndustryType());
         projectInfo.setUpdateBy(ShiroUtils.getUserId().toString());
         projectInfo.setUpdateTime(DateUtils.getNowDate());
+        if (!existProjectOrderInfo.getProjectId().equals(projectOrderInfo.getProjectId())){
+            //项目发生变更时  修改预计下单时间
+            projectInfo.setEstimatedOrderTime(DateUtils.getNowDate());
+        }
         projectInfoMapper.updateProjectInfo(projectInfo);
 
         //不更新订单编号
diff --git a/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml b/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml
index edf6a972..c16a9fb1 100644
--- a/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml
+++ b/ruoyi-sip/src/main/resources/mapper/sip/ProjectInfoMapper.xml
@@ -310,6 +310,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </trim>
         where id = #{id}
     </update>
+    <update id="updateOrderTimeById">
+        update project_info
+        set estimated_order_time = now()
+        where id = #{id}
+    </update>
 
     <delete id="deleteProjectInfoById" parameterType="Long">
         delete from project_info where id = #{id}