diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/controller/ProjectGovSystemReplaceInfoController.java b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/controller/ProjectGovSystemReplaceInfoController.java
index 896608a..1f0fd36 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/controller/ProjectGovSystemReplaceInfoController.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/controller/ProjectGovSystemReplaceInfoController.java
@@ -9,6 +9,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import javax.servlet.http.HttpServletResponse;
+
 /**
  * <p>
  * ProjectGovSystemReplaceInfoController
@@ -30,4 +32,9 @@ public class ProjectGovSystemReplaceInfoController {
         return systemReplaceInfoManage.systemReplaceInfos(targetSystem);
     }
 
+    @GetMapping("/down")
+    public void downTmp(HttpServletResponse response) {
+        systemReplaceInfoManage.downTmp(response);
+    }
+
 }
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/manage/ProjectGovSystemReplaceInfoManage.java b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/manage/ProjectGovSystemReplaceInfoManage.java
index d5208e4..e37a972 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/manage/ProjectGovSystemReplaceInfoManage.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/manage/ProjectGovSystemReplaceInfoManage.java
@@ -2,11 +2,14 @@ package com.hz.pm.api.projectlib.manage;
 
 import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.StrUtil;
+import cn.hutool.poi.excel.ExcelUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.hz.pm.api.common.exception.ReturnException;
 import com.hz.pm.api.projectlib.entity.ProjectGovSystemReplaceInfos;
 import com.hz.pm.api.projectlib.model.dto.GovSystemReplaceInfoDTO;
 import com.hz.pm.api.projectlib.model.entity.Project;
+import com.hz.pm.api.projectlib.model.enumeration.GovSystemReplaceTypeEnum;
 import com.hz.pm.api.projectlib.model.vo.SystemReplaceInfoVO;
 import com.hz.pm.api.projectlib.model.vo.UnitProjectGovSystemReplaceVO;
 import com.hz.pm.api.projectlib.model.vo.UnitProjectGovSystemReplaceVO.ProjectGovSystemReplaceVO;
@@ -18,10 +21,9 @@ import com.ningdatech.basic.util.CollUtils;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Map;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
+import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Collectors;
 
@@ -112,4 +114,34 @@ public class ProjectGovSystemReplaceInfoManage {
         return retDetail;
     }
 
+    public void downTmp(HttpServletResponse response) {
+        List<ProjectGovSystemReplaceInfos> replaceInfos = systemReplaceInfosService.list();
+        replaceInfos.removeIf(w -> StrUtil.isNotBlank(w.getSourceSystemId()));
+        if (replaceInfos.isEmpty()) {
+            throw ReturnException.wrap("暂无数据可供导出");
+        }
+        for (ProjectGovSystemReplaceInfos replaceInfo : replaceInfos) {
+            if (StrUtil.isNotBlank(replaceInfo.getReplaceType())) {
+                String replaceType = replaceInfo.getReplaceType();
+                String[] split = replaceType.split(",");
+                String replaceTypeStr = Arrays.stream(split)
+                        .filter(NumberUtil::isNumber)
+                        .map(w -> GovSystemReplaceTypeEnum.getVal(Integer.parseInt(w)))
+                        .collect(Collectors.joining(","));
+                replaceInfo.setReplaceType(replaceTypeStr);
+            } else {
+                replaceInfo.setReplaceType(StrUtil.EMPTY);
+            }
+        }
+        try (ServletOutputStream sos = response.getOutputStream()) {
+            response.setContentType("application/vnd.ms-excel");
+            ExcelUtil.getWriter()
+                    .write(replaceInfos)
+                    .flush(sos)
+                    .close();
+        } catch (Exception e) {
+            throw ReturnException.wrap("导出失败");
+        }
+    }
+
 }
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/dto/ProjectDTO.java b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/dto/ProjectDTO.java
index 31bdcd2..0b7fb15 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/dto/ProjectDTO.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/dto/ProjectDTO.java
@@ -383,6 +383,12 @@ public class ProjectDTO implements Serializable {
     @ApiModelProperty("政务信息系统替代情况")
     private List<GovSystemReplaceInfoDTO> systemReplaceInfos;
 
+    @ApiModelProperty("是否新增迭代升级内容")
+    private Boolean isAddIterativeUpgradeContent;
+
+    @ApiModelProperty("迭代升级内容")
+    private String iterativeUpgradeContent;
+
     @ApiModelProperty("信产项目ID")
     private Long mhProjectId;
 
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/entity/Project.java b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/entity/Project.java
index e46a41d..3314a16 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/entity/Project.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/entity/Project.java
@@ -503,4 +503,10 @@ public class Project implements Serializable {
     @ApiModelProperty("是否是重大项目")
     private Boolean isMajorProject;
 
+    @ApiModelProperty("是否新增迭代升级内容")
+    private Boolean isAddIterativeUpgradeContent;
+
+    @ApiModelProperty("迭代升级内容")
+    private String iterativeUpgradeContent;
+
 }
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/vo/ProjectDetailVO.java b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/vo/ProjectDetailVO.java
index 2d18c07..fdcb26b 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/vo/ProjectDetailVO.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/projectlib/model/vo/ProjectDetailVO.java
@@ -594,4 +594,10 @@ public class ProjectDetailVO {
     @ApiModelProperty("所属领域")
     private Integer unitStrip;
 
+    @ApiModelProperty("是否新增迭代升级内容")
+    private Boolean isAddIterativeUpgradeContent;
+
+    @ApiModelProperty("迭代升级内容")
+    private String iterativeUpgradeContent;
+
 }