diff --git a/mhd_wms/src/main/java/com/mhd/wms/domain/investigationManage/repository/persistence/InvestigationManageImpl.java b/mhd_wms/src/main/java/com/mhd/wms/domain/investigationManage/repository/persistence/InvestigationManageImpl.java
index 9194e95a9..cdea44c7e 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/domain/investigationManage/repository/persistence/InvestigationManageImpl.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/domain/investigationManage/repository/persistence/InvestigationManageImpl.java
@@ -338,6 +338,15 @@ public class InvestigationManageImpl extends ServiceImpl<InvestigationManageMapp
                 .eq(InvestigetionManageDetail::getInvestigationNumber, investigationManage.getInvestigationNumber())
                 .eq(InvestigetionManageDetail::getDelFlag, 1)
                 .ne(InvestigetionManageDetail::getInvestigationResult, 4));
+        // 获取用户姓名（优先从UserPo获取，如果为空则使用realname，最后使用username作为兜底）
+        final String userRealName =
+                (loginUser.getUserPo() != null && loginUser.getUserPo().getUserName() != null
+                        && !loginUser.getUserPo().getUserName().trim().isEmpty())
+                        ? loginUser.getUserPo().getUserName()
+                        : (loginUser.getRealname() != null && !loginUser.getRealname().trim().isEmpty())
+                            ? loginUser.getRealname()
+                            : loginUser.getUsername();
+
         String differentNumber = null;
         if (count > 0){
             //存在差异 生成差异单
@@ -373,10 +382,11 @@ public class InvestigationManageImpl extends ServiceImpl<InvestigationManageMapp
             differentManage.setOrganizationName(userPo.getOrganizationName());
             differentManage.setCreateBy(loginUser.getUserid());
             differentManage.setCreateTime(new Date());
-            differentManage.setCreateByName(loginUser.getUsername());
+            // 差异单创建人/修改人使用用户姓名而不是账号
+            differentManage.setCreateByName(userRealName);
             differentManage.setUpdateBy(loginUser.getUserid());
             differentManage.setUpdateTime(new Date());
-            differentManage.setUpdateByName(loginUser.getUsername());
+            differentManage.setUpdateByName(userRealName);
             iDifferentManageService.insert(differentManage);
         }
         //生成盘点追溯记录
@@ -386,7 +396,7 @@ public class InvestigationManageImpl extends ServiceImpl<InvestigationManageMapp
         investigationManageUpdate.setInvestigationStatus(4);  // 盘点完成
         investigationManageUpdate.setUpdateBy(loginUser.getUserid());
         investigationManageUpdate.setUpdateTime(new Date());
-        investigationManageUpdate.setUpdateByName(loginUser.getUsername());
+        investigationManageUpdate.setUpdateByName(userRealName);
         investigationManageUpdate.setDifferentNumber(differentNumber);
         return this.updateById(investigationManageUpdate);
     }
diff --git a/mhd_wms/src/main/java/com/mhd/wms/interfaces/assember/differentManage/DifferentManageAssembler.java b/mhd_wms/src/main/java/com/mhd/wms/interfaces/assember/differentManage/DifferentManageAssembler.java
index 6a5cfbb77..43de12031 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/interfaces/assember/differentManage/DifferentManageAssembler.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/interfaces/assember/differentManage/DifferentManageAssembler.java
@@ -22,7 +22,8 @@ import java.util.Date;
 public class DifferentManageAssembler {
 
     /**
-     * 转换实体
+     * 新增/编辑差异单时使用的转换实体方法
+     * 注意：会自动填充创建人/修改人等审计字段，不适合查询列表时使用
      */
     public DifferentManageDO toDO(DifferentManageDTO differentManageDTO) {
         //DifferentManageDO differentManageDO = new DifferentManageDO();
@@ -71,4 +72,13 @@ public class DifferentManageAssembler {
         return differentManageDO;
     }
 
+    /**
+     * 查询差异单列表时使用的转换方法
+     * 只做简单属性拷贝，不自动填充 createBy/createByName/updateBy/updateByName，避免把当前登录人带入为查询条件
+     */
+    public DifferentManageDO toDOForList(DifferentManageDTO differentManageDTO) {
+        // 这里不处理登录用户信息，只保留前端传入的查询条件
+        return JSONUtil.toBean(JSONUtil.toJsonStr(differentManageDTO), DifferentManageDO.class);
+    }
+
 }
diff --git a/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/differentManage/DifferentManageApi.java b/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/differentManage/DifferentManageApi.java
index 631d021c9..139870515 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/differentManage/DifferentManageApi.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/differentManage/DifferentManageApi.java
@@ -37,7 +37,8 @@ public class DifferentManageApi extends BaseController {
     @GetMapping("/list")
     public TableDataInfo list(DifferentManageDTO differentManageDTO) {
         //转换实体
-        DifferentManageDO differentManageDO = differentManageAssembler.toDO(differentManageDTO);
+        // 注意：列表查询不应自动填充创建人/修改人，否则会把当前登录人当作查询条件
+        DifferentManageDO differentManageDO = differentManageAssembler.toDOForList(differentManageDTO);
         startPage();
         List<DifferentManagePO> list = differentManageApplicationService.queryList(differentManageDO);
         return getDataTable(list);