diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/BpmOAEvectionController.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/BpmOAEvectionController.java
index 87032694..a5d23909 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/BpmOAEvectionController.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/BpmOAEvectionController.java
@@ -1,5 +1,6 @@
 package cn.iocoder.yudao.module.bpm.controller.admin.oa;
 
+import cn.hutool.core.collection.CollectionUtil;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.module.bpm.controller.admin.oa.vo.evection.BpmOAEvectionCreateReqVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.oa.vo.evection.BpmOAEvectionRespVO;
@@ -17,7 +18,11 @@ import org.springframework.web.bind.annotation.*;
 import javax.annotation.Resource;
 import javax.validation.Valid;
 
+import java.util.List;
+import java.util.stream.Collectors;
+
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
 import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
 
 /**
@@ -54,9 +59,9 @@ public class BpmOAEvectionController {
 
         BpmOAEvectionRespVO respVO = BpmOAEvectionConvert.INSTANCE.convert(evection);
 
-        if (evection.getTogetherUserId() != null) {
-            AdminUserRespDTO userRespDTO = userApi.getUser(evection.getTogetherUserId()).getCheckedData();
-            respVO.setTogetherUserName(userRespDTO.getNickname());
+        if (CollectionUtil.isNotEmpty(evection.getTogetherUserIds())) {
+            List<AdminUserRespDTO> userRespDTOs = userApi.getUserList(respVO.getTogetherUserIds()).getCheckedData();
+            respVO.setTogetherUserName(String.join("、", convertList(userRespDTOs, AdminUserRespDTO::getNickname)));
         }
 
         return success(respVO);
@@ -71,9 +76,9 @@ public class BpmOAEvectionController {
 
         BpmOAEvectionRespVO respVO = BpmOAEvectionConvert.INSTANCE.convert(evection);
 
-        if (evection.getTogetherUserId() != null) {
-            AdminUserRespDTO userRespDTO = userApi.getUser(evection.getTogetherUserId()).getCheckedData();
-            respVO.setTogetherUserName(userRespDTO.getNickname());
+        if (CollectionUtil.isNotEmpty(evection.getTogetherUserIds())) {
+            List<AdminUserRespDTO> userRespDTOs = userApi.getUserList(evection.getTogetherUserIds()).getCheckedData();
+            respVO.setTogetherUserName(String.join("、", convertList(userRespDTOs, AdminUserRespDTO::getNickname)));
         }
 
         return success(respVO);
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionCreateReqVO.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionCreateReqVO.java
index 6f11302f..f73ff020 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionCreateReqVO.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionCreateReqVO.java
@@ -11,6 +11,7 @@ import javax.validation.constraints.NotNull;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Set;
 
 import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
 
@@ -30,7 +31,7 @@ public class BpmOAEvectionCreateReqVO {
     private String reason;
 
     @Schema(description = "随行人用户编号")
-    private Long togetherUserId;
+    private Set<Long> togetherUserIds;
 
     @Schema(description = "出差起点", requiredMode = Schema.RequiredMode.REQUIRED)
     @NotNull(message = "出差起点不能为空")
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionRespVO.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionRespVO.java
index b62c17ea..0e882979 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionRespVO.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/oa/vo/evection/BpmOAEvectionRespVO.java
@@ -12,6 +12,7 @@ import javax.validation.constraints.NotNull;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Set;
 
 import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
 
@@ -29,7 +30,7 @@ public class BpmOAEvectionRespVO extends BpmOABaseRespVO {
     private String reason;
 
     @Schema(description = "随行人用户编号")
-    private Long togetherUserId;
+    private Set<Long> togetherUserIds;
 
     @Schema(description = "随行人用户名称")
     private String togetherUserName;
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/oa/BpmOAEvectionDO.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/oa/BpmOAEvectionDO.java
index 10d2006d..08b8bbbe 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/oa/BpmOAEvectionDO.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/oa/BpmOAEvectionDO.java
@@ -2,6 +2,7 @@ package cn.iocoder.yudao.module.bpm.dal.dataobject.oa;
 
 import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
 import cn.iocoder.yudao.framework.common.pojo.UploadUserFile;
+import cn.iocoder.yudao.framework.mybatis.core.type.JsonLongSetTypeHandler;
 import cn.iocoder.yudao.module.bpm.enums.task.BpmProcessInstanceResultEnum;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
@@ -12,6 +13,7 @@ import lombok.*;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Set;
 
 /**
  * OA 出差申请 DO
@@ -48,9 +50,10 @@ public class BpmOAEvectionDO extends BaseDO {
     private String reason;
 
     /**
-     * 随行人用户编号
+     * 随行人用户编号组
      */
-    private Long togetherUserId;
+    @TableField(typeHandler = JsonLongSetTypeHandler.class)
+    private Set<Long> togetherUserIds;
 
     /**
      * 出差地点 起点