diff --git a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/projectManage/ProjectManageApplicationService.java b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/projectManage/ProjectManageApplicationService.java
index c288c262c..d79236142 100644
--- a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/projectManage/ProjectManageApplicationService.java
+++ b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/projectManage/ProjectManageApplicationService.java
@@ -37,10 +37,47 @@ public class ProjectManageApplicationService {
      */
     public List<ProjectManagePO> queryList(ProjectManageDO projectManageDO) {
         LoginUser loginUser = SecurityUtils.getLoginUser();
-        if (loginUser != null){
-            Long topOrganizationId = loginUser.getUserPo().getTopOrganizationId();
-            if (topOrganizationId != null && topOrganizationId != 1){
-                projectManageDO.setTopOrganizationId(loginUser.getUserPo().getTopOrganizationId());
+        if (loginUser != null && loginUser.getUserPo() != null) {
+            Long loginUserOrganizationId = loginUser.getUserPo().getOrganizationId();
+            Long loginUserTopOrganizationId = loginUser.getUserPo().getTopOrganizationId();
+            Long frontendOrganizationId = projectManageDO.getOrganizationId();
+
+            // 根据当前登录用户的所属组织ID进行数据权限控制：
+            // 当组织ID为 2827（南光）时，可查询全部组织数据；其他组织只能查询本组织数据
+            if (loginUserOrganizationId != null && loginUserOrganizationId.equals(2827L)) {
+                // 南光组织（organizationId=2827）：可以查询所有组织的数据
+                if (frontendOrganizationId != null) {
+                    // 前端传递了 organizationId（包括2827或其他组织），使用前端传递的值进行过滤
+                    projectManageDO.setOrganizationId(frontendOrganizationId);
+                    projectManageDO.setTopOrganizationId(null); // 明确设置为 null，避免使用 topOrganizationId 条件
+                } else {
+                    // 前端没有传递 organizationId，清空组织过滤条件，查询所有组织的数据
+                    projectManageDO.setOrganizationId(null);
+                    projectManageDO.setTopOrganizationId(null);
+                }
+            } else {
+                // 其他组织：只能查询本组织数据
+                if (frontendOrganizationId != null) {
+                    // 前端传递了 organizationId，验证是否与当前登录用户的组织ID一致
+                    if (!frontendOrganizationId.equals(loginUserOrganizationId)) {
+                        // 前端传递了其他组织的 organizationId，强制使用当前登录用户的组织ID，防止越权查询
+                        projectManageDO.setOrganizationId(loginUserOrganizationId);
+                    } else {
+                        // 前端传递的 organizationId 与当前登录用户的组织ID一致，使用前端传递的值
+                        projectManageDO.setOrganizationId(frontendOrganizationId);
+                    }
+                    if (loginUserTopOrganizationId != null) {
+                        projectManageDO.setTopOrganizationId(loginUserTopOrganizationId);
+                    }
+                } else {
+                    // 前端没有传递 organizationId，使用当前登录用户的组织ID
+                    if (loginUserOrganizationId != null) {
+                        projectManageDO.setOrganizationId(loginUserOrganizationId);
+                    }
+                    if (loginUserTopOrganizationId != null) {
+                        projectManageDO.setTopOrganizationId(loginUserTopOrganizationId);
+                    }
+                }
             }
         }
         return projectManageDomainService.queryList(projectManageDO);
diff --git a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/interfaces/assember/projectManage/ProjectManageAssembler.java b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/interfaces/assember/projectManage/ProjectManageAssembler.java
index 4fa98a66c..8d77c28e0 100644
--- a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/interfaces/assember/projectManage/ProjectManageAssembler.java
+++ b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/interfaces/assember/projectManage/ProjectManageAssembler.java
@@ -6,6 +6,7 @@ import com.mhd.basic.interfaces.dto.projectManage.ProjectManageDTO;
 import com.mhd.common.core.exception.digitalLogisticsException.DigitalLogisticsException;
 import com.mhd.common.core.exception.digitalLogisticsException.UserError;
 import com.mhd.common.core.utils.bean.BeanUtils;
+import com.mhd.common.core.utils.StringUtils;
 import com.mhd.common.core.utils.IgnoreNullUtil;
 import com.mhd.common.security.utils.SecurityUtils;
 import com.mhd.system.api.model.LoginUser;
@@ -28,24 +29,47 @@ public class ProjectManageAssembler {
     public ProjectManageDO toDO(ProjectManageDTO projectManageDTO) {
         ProjectManageDO projectManageDO = new ProjectManageDO();
         // 拷贝
-        BeanUtils.copyProperties(projectManageDTO, projectManageDO, IgnoreNullUtil.getNullPropertyNames(projectManageDTO));
+        if (projectManageDTO != null) {
+            BeanUtils.copyProperties(projectManageDTO, projectManageDO, IgnoreNullUtil.getNullPropertyNames(projectManageDTO));
+        }
         LoginUser loginUser = SecurityUtils.getLoginUser();
         if (ObjectUtil.isNull(loginUser)) {
             throw new DigitalLogisticsException(UserError.TIMEOUT);
         }
-        String userName = loginUser.getUsername();
+        // 优先使用用户姓名，其次真实姓名，最后账号，保持与其他模块一致
+        String userName = null;
+        if (loginUser.getUserPo() != null && StringUtils.isNotEmpty(loginUser.getUserPo().getUserName())) {
+            userName = loginUser.getUserPo().getUserName();
+        } else if (StringUtils.isNotEmpty(loginUser.getRealname())) {
+            userName = loginUser.getRealname();
+        } else {
+            userName = loginUser.getUsername();
+        }
         // 获取登录人id
         Long userId = loginUser.getUserid();
-        if(projectManageDTO.getProjectManageId() != null){
+
+        if (projectManageDTO != null && projectManageDTO.getProjectManageId() != null) {
+            // 编辑操作：只设置更新相关字段
             if(userId != null){
                 projectManageDO.setUpdateBy(userId);
             }else {
                 projectManageDO.setUpdateBy(new Long("0"));
             }
-            projectManageDO.setUpdateByName(userName);
+            // 只有在 DO 中没有传递 updateByName 时才设置（避免覆盖前端传递的值）
+            if (StringUtils.isEmpty(projectManageDO.getUpdateByName())) {
+                projectManageDO.setUpdateByName(userName);
+            }
             projectManageDO.setUpdateTime(new Date());
 
-        }else {
+        } else if (projectManageDTO != null && projectManageDTO.getProjectManageId() == null) {
+            // projectManageId == null，可能是查询操作或新增操作
+            // 如果前端传递了 createByName 或 updateByName，说明是查询条件，不应该设置（已经在 BeanUtils.copyProperties 中拷贝了）
+            boolean hasQueryCondition =
+                    (StringUtils.isNotEmpty(projectManageDTO.getCreateByName()))
+                            || (StringUtils.isNotEmpty(projectManageDTO.getUpdateByName()));
+
+            if (!hasQueryCondition) {
+                // 没有查询条件，可能是新增操作，设置默认值
             if(userId != null){
                 projectManageDO.setCreateBy(userId);
                 projectManageDO.setUpdateBy(userId);
@@ -58,6 +82,8 @@ public class ProjectManageAssembler {
             projectManageDO.setCreateTime(new Date());
             projectManageDO.setUpdateTime(new Date());
             projectManageDO.setDelFlag(1);
+            }
+            // 如果有查询条件（createByName 或 updateByName），说明是查询操作，不应该强制覆盖这些字段
         }
         return projectManageDO;
     }
diff --git a/mhd-modules/mhd-system/src/main/resources/mapper/basic/ProjectManageMapper.xml b/mhd-modules/mhd-system/src/main/resources/mapper/basic/ProjectManageMapper.xml
index eaf7899cc..db6c1c47b 100644
--- a/mhd-modules/mhd-system/src/main/resources/mapper/basic/ProjectManageMapper.xml
+++ b/mhd-modules/mhd-system/src/main/resources/mapper/basic/ProjectManageMapper.xml
@@ -60,7 +60,14 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <if test="projectManageDO.projectEndTimeEnd != null and projectManageDO.projectEndTimeEnd != ''">
             AND date_format(end_date,'%Y-%m-%d') <![CDATA[<=]]> #{projectManageDO.projectEndTimeEnd}
         </if>
-        <if test="projectManageDO.topOrganizationId != null ">
+        <!-- 数据权限：南光组织（organizationId=2827）查全部，其他组织查自己 -->
+        <!-- 如果 organizationId 和 topOrganizationId 都为 null，表示查询所有组织的数据（不添加组织过滤条件） -->
+        <if test="projectManageDO.organizationId != null">
+            <!-- 如果设置了 organizationId，添加 organization_id 条件 -->
+            and organization_id = #{projectManageDO.organizationId}
+        </if>
+        <if test="projectManageDO.topOrganizationId != null and projectManageDO.organizationId == null">
+            <!-- 如果设置了 topOrganizationId 但没有设置 organizationId，添加 top_organization_id 条件 -->
             and top_organization_id = #{projectManageDO.topOrganizationId}
         </if>
     </sql>