diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/controller/StudySubjectController.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/controller/StudySubjectController.java
index 07564a8..c01cba6 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/controller/StudySubjectController.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/controller/StudySubjectController.java
@@ -38,7 +38,8 @@ public class StudySubjectController extends BaseController
         if(studyId==null || studyId.longValue()<=0){
             return AjaxResult.success(new ArrayList<>());
         }
-        return AjaxResult.success(studySubjectService.getListByStudyId(studyId));
+        List<StudySubject> list = studySubjectService.getListByStudyId(studyId);
+        return AjaxResult.success(studySubjectService.initUserIdList(list));
     }
 
     /**
diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/domain/StudySubject.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/domain/StudySubject.java
index a5a93ab..1377c10 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/domain/StudySubject.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/domain/StudySubject.java
@@ -4,6 +4,8 @@ import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.hxhq.common.core.domain.MpBaseEntity;
 
+import java.util.List;
+
 
 /**
  * 试验-学科对象 t_study_subject
@@ -37,6 +39,12 @@ public class StudySubject extends MpBaseEntity
     @TableField(exist = false)
     private Boolean select;
 
+    /**
+     * 设置的用户id列表
+     */
+    @TableField(exist = false)
+    private List<Long> userIdList;
+
 
     public void setStudyId(Long studyId)
     {
@@ -95,4 +103,12 @@ public class StudySubject extends MpBaseEntity
     public void setSelect(Boolean select) {
         this.select = select;
     }
+
+    public List<Long> getUserIdList() {
+        return userIdList;
+    }
+
+    public void setUserIdList(List<Long> userIdList) {
+        this.userIdList = userIdList;
+    }
 }
diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectService.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectService.java
index 7364446..838755e 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectService.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectService.java
@@ -21,6 +21,13 @@ public interface IStudySubjectService extends IService<StudySubject>
     List<StudySubject> getListByStudyId(Long studyId);
 
     /**
+     * 设置学科下的用户idList，用于前端subject默认选中
+     * @param list
+     * @return
+     */
+    List<StudySubject> initUserIdList(List<StudySubject> list);
+
+    /**
      * 获取试验下的学科设置信息(含未设置的学科)
      * @param studyId
      * @return
diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectUserService.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectUserService.java
index f68ba42..6087126 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectUserService.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/IStudySubjectUserService.java
@@ -28,8 +28,10 @@ public interface IStudySubjectUserService extends IService<StudySubjectUser>
 
     /**
      * 根据studySubjectId进下删除
+     * @param studyId
      * @param studySubjectId
+     * @param signRemark
      */
-    void deleteByStudySubjectId(Long studySubjectId);
+    void deleteByStudySubjectId(Long studyId, Long studySubjectId,String signRemark);
 
 }
diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectServiceImpl.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectServiceImpl.java
index 90b56b7..1fb2bb5 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectServiceImpl.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectServiceImpl.java
@@ -92,6 +92,20 @@ public class StudySubjectServiceImpl extends ServiceImpl<StudySubjectMapper, Stu
     }
 
     @Override
+    public List<StudySubject> initUserIdList(List<StudySubject> list) {
+        if(list.size()>0){
+            QueryWrapper<StudySubjectUser> queryWrapper = new QueryWrapper<>();
+            queryWrapper.in("study_subject_id",list.stream().map(o->o.getId()).collect(Collectors.toList()));
+            queryWrapper.select("study_subject_id,user_id");
+            List<StudySubjectUser> userList = studySubjectUserService.list(queryWrapper);
+            for(StudySubject l : list){
+                l.setUserIdList(userList.stream().filter(o->o.getStudySubjectId().equals(l.getId())).map(o->o.getUserId()).collect(Collectors.toList()));
+            }
+        }
+        return list;
+    }
+
+    @Override
     @Transactional(rollbackFor = Exception.class)
     public void saveInfo(StudySubjectSaveForm form) {
         Study study = studyService.getById(form.getStudyId());
@@ -147,7 +161,7 @@ public class StudySubjectServiceImpl extends ServiceImpl<StudySubjectMapper, Stu
 
             removeBatchByIds(deleteList);
             for(StudySubject del : deleteList){
-                studySubjectUserService.deleteByStudySubjectId(del.getId());
+                studySubjectUserService.deleteByStudySubjectId(study.getId(),del.getId(),form.getSign().getRemark());
             }
         }
 
diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectUserServiceImpl.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectUserServiceImpl.java
index 444965d..db6b6bf 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectUserServiceImpl.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/StudySubjectUserServiceImpl.java
@@ -117,9 +117,18 @@ public class StudySubjectUserServiceImpl extends ServiceImpl<StudySubjectUserMap
     }
 
     @Override
-    public void deleteByStudySubjectId(Long studySubjectId) {
+    public void deleteByStudySubjectId(Long studyId, Long studySubjectId,String signRemark) {
         QueryWrapper<StudySubjectUser> queryWrapper = new QueryWrapper<>();
         queryWrapper.eq("study_subject_id",studySubjectId);
+        List<StudySubjectUser> userList = list(queryWrapper);
+        if(userList.size()>0){
+            List<String> deleteNameList = userList.stream().map(o->o.getUserName()).collect(Collectors.toList());
+            if(deleteNameList.size()>0){
+                Map<String, String> formData = new LinkedHashMap<>();
+                formData.put("删除人员", String.join("，",deleteNameList));
+                studyJcgjService.saveInfo(studyId, JcgjlxEnum.ry, JcmcysEnum.blue,"人员变更", JctUtil.formatStr(formData), SecurityUtils.getUserId(),SecurityUtils.getNickName(),signRemark);
+            }
+        }
         remove(queryWrapper);
     }
 }