diff --git a/src/main/java/com/yunhai/bschclassmanage/Repository/SchStudentRepository.java b/src/main/java/com/yunhai/bschclassmanage/Repository/SchStudentRepository.java
index 4e8b5b3..a7a118e 100644
--- a/src/main/java/com/yunhai/bschclassmanage/Repository/SchStudentRepository.java
+++ b/src/main/java/com/yunhai/bschclassmanage/Repository/SchStudentRepository.java
@@ -15,7 +15,11 @@ import java.util.Optional;
 @Repository
 public interface SchStudentRepository extends JpaRepository<SchStudent, Integer>, JpaSpecificationExecutor<SchStudent> {
 
-    Optional<SchStudent> findByStuId(Integer stuId);
+    /**
+     * stu_id 是用户中心用户ID（非本表主键），学生在多所学校各有一条就学记录，
+     * 同一 stu_id 可能存在多行，必须返回 List；返回 Optional 会在多行时抛 NonUniqueResultException
+     */
+    List<SchStudent> findByStuId(Integer stuId);
 
     List<SchStudent> findByStuIdIn(List<Integer> stuIds);
 
diff --git a/src/main/java/com/yunhai/bschclassmanage/Repository/SchTeacherRepository.java b/src/main/java/com/yunhai/bschclassmanage/Repository/SchTeacherRepository.java
index c69c4e2..7a856b4 100644
--- a/src/main/java/com/yunhai/bschclassmanage/Repository/SchTeacherRepository.java
+++ b/src/main/java/com/yunhai/bschclassmanage/Repository/SchTeacherRepository.java
@@ -20,7 +20,11 @@ public interface SchTeacherRepository extends JpaRepository<SchTeacher, Integer>
 
     List<SchTeacher> findByTeaIdIn(List<Integer> teaIds);
 
-    Optional<SchTeacher> findByTeaId(Integer teaId);
+    /**
+     * tea_id 是用户中心用户ID（非本表主键），教师在多所学校各有一条记录，
+     * 同一 tea_id 可能存在多行，必须返回 List；返回 Optional 会在多行时抛 NonUniqueResultException
+     */
+    List<SchTeacher> findByTeaId(Integer teaId);
 
 
     @Query(value = "SELECT DISTINCT t.* FROM sch_teacher t " +
diff --git a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/TeainfoController.java b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/TeainfoController.java
index 8f20419..38959eb 100644
--- a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/TeainfoController.java
+++ b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/TeainfoController.java
@@ -56,7 +56,8 @@ public class TeainfoController {
         }
 
         // 2. 鐩存帴浣跨敤 uid 鏌ヨ
-        return schTeacherRepository.findByTeaId(uid)  // 鍋囪 findByTeaId 杩斿洖 Optional<SchTeacher>
+        return schTeacherRepository.findByTeaId(uid).stream()
+                .findFirst()
                 .map(teacher -> {
                     fillGroupList(Collections.singletonList(teacher), null);
                     return teacher;
diff --git a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/UserInfoController.java b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/UserInfoController.java
index 31c97e5..81767b1 100644
--- a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/UserInfoController.java
+++ b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/oa/UserInfoController.java
@@ -160,7 +160,8 @@ public class UserInfoController {
             return ResponseEntity.ok(new ArrayList<>());
         }
 
-        Optional<SchTeacher> teacherOpt = schTeacherRepository.findByTeaId(userid);
+        // 同一 teaId/stuId 可能在多所学校各有记录，取第一条即可（不能按唯一查询）
+        Optional<SchTeacher> teacherOpt = schTeacherRepository.findByTeaId(userid).stream().findFirst();
         if (teacherOpt.isPresent()) {
             UserInfoVO vo = convertToUserInfoVO(teacherOpt.get());
             if (vo != null) {
@@ -168,7 +169,7 @@ public class UserInfoController {
             }
         }
 
-        Optional<SchStudent> studentOpt = schStudentRepository.findByStuId(userid);
+        Optional<SchStudent> studentOpt = schStudentRepository.findByStuId(userid).stream().findFirst();
         if (studentOpt.isPresent()) {
             UserInfoVO vo = convertToUserInfoVO(studentOpt.get());
             if (vo != null) {
diff --git a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchGroupController.java b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchGroupController.java
index 41073ea..88cc406 100644
--- a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchGroupController.java
+++ b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchGroupController.java
@@ -12,6 +12,9 @@ import com.yunhai.bschclassmanage.entity.SchTeacherCustomGroupInSubject;
 import com.yunhai.bschclassmanage.entity.SchTeacherCustomGroupInTeacher;
 import com.yunhai.bschclassmanage.enums.CustomGroupType;
 import com.yunhai.bschclassmanage.model.oa.TeaTreeVO;
+import com.yunhai.bschclassmanage.model.vo.SelectIntVO;
+import com.yunhai.bschclassmanage.model.vo.SelectStrVO;
+import com.yunhai.bschclassmanage.model.vo.sch.OapiGroupVO;
 import com.yunhai.bschclassmanage.model.vo.sch.TeaCustomGroupTreeVO;
 import com.yunhai.bschclassmanage.service.IBaseSchsystemGradeService;
 import com.yunhai.bschclassmanage.service.IComSchTreeService;
@@ -74,7 +77,7 @@ public class OapiSchGroupController {
             description = "不传 groupType 时返回三层：类型根节点（id=-1年级组/-2教研组/-3备课组）→ 组节点 → 教师叶子；"
                     + "传 groupType（1年级组 2教研组 3备课组，教研组即教师学科组）时直接返回该类型组节点列表（两层）。"
                     + "组节点携带组长、关联年级、关联学科；教师叶子携带 isLeader")
-    public ResponseEntity<List<TeaCustomGroupTreeVO>> getTeaCustomGroupTree(@RequestParam(value = "schId", required = false) Integer schId,
+    public ResponseEntity<List<TeaCustomGroupTreeVO>> getTeaCustomGroupTree(@RequestParam(value = "schId") Integer schId,
                                                                            @RequestParam(value = "groupType", required = false) Integer groupType) {
         if (schId == null) {
             return ResponseEntity.ok(Collections.emptyList());
@@ -91,6 +94,98 @@ public class OapiSchGroupController {
         return ResponseEntity.ok(buildTree(schId, groups, groupType != null));
     }
 
+    @GetMapping("getTeaCustomGroupList")
+    @Operation(summary = "获取教师分组列表（组/组员/组长合一）",
+            description = "按学校查教师分组列表：组id、组名称、学科集合、年级集合、组员集合、组长集合；"
+                    + "groupType 可选（1年级组 2教研组 3备课组，不传返回全部类型）。"
+                    + "组长取关系表 group_type=1 的全部教师（取不到时兜底组记录 leader_id 字段），组员取 group_type=2 且排除组长")
+    public ResponseEntity<List<OapiGroupVO>> getTeaCustomGroupList(@RequestParam(value = "schId") Integer schId,
+                                                                   @RequestParam(value = "groupType", required = false) Integer groupType) {
+        if (schId == null) {
+            return ResponseEntity.ok(Collections.emptyList());
+        }
+        List<SchTeacherCustomGroup> groups = (groupType != null)
+                ? customGroupRepository.findBySchIdAndGroupType(schId, groupType)
+                : customGroupRepository.findBySchId(schId);
+        if (groups == null || groups.isEmpty()) {
+            return ResponseEntity.ok(Collections.emptyList());
+        }
+        groups = groups.stream()
+                .sorted(Comparator.comparing(SchTeacherCustomGroup::getSort, Comparator.nullsLast(Integer::compareTo)))
+                .collect(Collectors.toList());
+
+        List<Integer> groupIds = groups.stream().map(SchTeacherCustomGroup::getId).collect(Collectors.toList());
+        Map<Integer, List<SchTeacherCustomGroupInGrade>> groupIdToGrades = groupInGradeRepository.findByCgGroupIdIn(groupIds).stream()
+                .collect(Collectors.groupingBy(SchTeacherCustomGroupInGrade::getCgGroupId));
+        Map<Integer, List<SchTeacherCustomGroupInSubject>> groupIdToSubjects = groupInSubjectRepository.findByCgGroupIdIn(groupIds).stream()
+                .collect(Collectors.groupingBy(SchTeacherCustomGroupInSubject::getCgGroupId));
+        // relationType：1组长 2组员
+        Map<Integer, List<SchTeacherCustomGroupInTeacher>> groupIdToTeachers = groupInTeacherRepository.findByCgGroupIdIn(groupIds).stream()
+                .filter(r -> r.getTeaId() != null)
+                .collect(Collectors.groupingBy(SchTeacherCustomGroupInTeacher::getCgGroupId));
+
+        Map<Integer, SchTeacher> teacherMap = schTeacherService.getSchTeacherCacheList(schId).stream()
+                .filter(t -> t.getTeaId() != null)
+                .collect(Collectors.toMap(SchTeacher::getTeaId, t -> t, (a, b) -> a));
+        Map<Integer, String> gradeNameMap = baseSchsystemGradeService.getGradeNameMap(schId, null, null);
+        Map<String, String> subjectNameMap = schDicSubjectService.toIdAndNameMap(schId, null);
+
+        List<OapiGroupVO> result = new ArrayList<>(groups.size());
+        for (SchTeacherCustomGroup group : groups) {
+            List<SchTeacherCustomGroupInTeacher> relations = groupIdToTeachers.getOrDefault(group.getId(), Collections.emptyList());
+            List<Integer> leaderIds = resolveLeaders(group, relations);
+
+            OapiGroupVO vo = new OapiGroupVO();
+            vo.setGroupId(group.getId());
+            vo.setGroupName(group.getGroupName());
+            vo.setGroupType(group.getGroupType());
+            vo.setGroupTypeName(group.getGroupType() == null ? null : CustomGroupType.nameById(group.getGroupType()));
+            vo.setSubjects(groupIdToSubjects.getOrDefault(group.getId(), Collections.emptyList()).stream()
+                    .map(SchTeacherCustomGroupInSubject::getSubId)
+                    .filter(Objects::nonNull)
+                    .distinct()
+                    .map(subId -> new SelectStrVO(subId, subjectNameMap.get(subId)))
+                    .collect(Collectors.toList()));
+            vo.setGrades(groupIdToGrades.getOrDefault(group.getId(), Collections.emptyList()).stream()
+                    .map(SchTeacherCustomGroupInGrade::getGradeId)
+                    .filter(Objects::nonNull)
+                    .distinct()
+                    .map(gradeId -> new SelectIntVO(gradeId, gradeNameMap.get(gradeId)))
+                    .collect(Collectors.toList()));
+            vo.setLeaders(toIdNameList(leaderIds, teacherMap));
+            vo.setMembers(toIdNameList(relations.stream()
+                    .filter(r -> Integer.valueOf(2).equals(r.getGroupType()))
+                    .map(SchTeacherCustomGroupInTeacher::getTeaId)
+                    .filter(id -> !leaderIds.contains(id))
+                    .distinct()
+                    .collect(Collectors.toList()), teacherMap));
+            result.add(vo);
+        }
+        return ResponseEntity.ok(result);
+    }
+
+    /** 组长ID集合：关系表 group_type=1 的全部教师，取不到时兜底组记录 leader_id 字段（与 getSchCustomGroup 语义一致） */
+    private List<Integer> resolveLeaders(SchTeacherCustomGroup group, List<SchTeacherCustomGroupInTeacher> relations) {
+        List<Integer> leaderIds = relations.stream()
+                .filter(r -> Integer.valueOf(1).equals(r.getGroupType()))
+                .map(SchTeacherCustomGroupInTeacher::getTeaId)
+                .filter(Objects::nonNull)
+                .distinct()
+                .collect(Collectors.toList());
+        if (leaderIds.isEmpty() && group.getLeaderId() != null) {
+            leaderIds = Collections.singletonList(group.getLeaderId());
+        }
+        return leaderIds;
+    }
+
+    /** 教师ID集合 → [{id,姓名}]，按入参顺序；姓名取不到时与 getSchCustomGroup 一致回退"未知教师" */
+    private List<SelectIntVO> toIdNameList(List<Integer> teaIds, Map<Integer, SchTeacher> teacherMap) {
+        return teaIds.stream()
+                .map(teaId -> new SelectIntVO(teaId,
+                        Optional.ofNullable(teacherMap.get(teaId)).map(SchTeacher::getName).orElse("未知教师")))
+                .collect(Collectors.toList());
+    }
+
     /** 组装类型节点→组节点→教师叶子树（flatTypeRoot=true 时不建类型根，组节点直接作为顶层） */
     private List<TeaCustomGroupTreeVO> buildTree(Integer schId, List<SchTeacherCustomGroup> groups, boolean flatTypeRoot) {
         List<Integer> groupIds = groups.stream().map(SchTeacherCustomGroup::getId).collect(Collectors.toList());
diff --git a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchStudentController.java b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchStudentController.java
index ec1e196..25c6926 100644
--- a/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchStudentController.java
+++ b/src/main/java/com/yunhai/bschclassmanage/controller/oapi/sch/OapiSchStudentController.java
@@ -44,7 +44,9 @@ public class OapiSchStudentController {
         if (stuId == null) {
             return ResponseEntity.ok(null);
         }
-        return ResponseEntity.ok(schStudentRepository.findByStuId(stuId)
+        // 同一 stu_id 可能在多所学校各有记录，取第一条即可（不能按唯一查询）
+        return ResponseEntity.ok(schStudentRepository.findByStuId(stuId).stream()
+                .findFirst()
                 .map(stu -> toVOList(stu.getSchId(), Collections.singletonList(stu)).get(0))
                 .orElse(null));
     }
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/SchDicSubjectService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/SchDicSubjectService.java
index ba02a01..db6ce07 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/SchDicSubjectService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/SchDicSubjectService.java
@@ -329,7 +329,7 @@ public class SchDicSubjectService implements ISchDicSubjectService {
     public List<SelectStrVO> select(Integer schId, Integer schsystemId) {
         List<SchDicSubject> list = getSchDicSubjectCacheList(schId, schsystemId);
         // 按 code 去重，保留顺序（若需要保持原顺序，可用 LinkedHashSet 包装）
-        list = list.stream()
+        list = list.stream().filter(s -> Boolean.TRUE.equals(s.getEnable()))
                 .collect(Collectors.collectingAndThen(
                         Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(SchDicSubject::getCode))),
                         ArrayList::new
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/StudentClassHistoryService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/StudentClassHistoryService.java
index a1182a7..45b15a0 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/StudentClassHistoryService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/StudentClassHistoryService.java
@@ -300,13 +300,15 @@ public class StudentClassHistoryService implements IStudentClassHistoryService {
      */
     public Map<String, Object> getHistoryClassTeachByStuId(Integer schId, Integer stuId) {
         // 1. 解析学生所属班级 & 姓名
+        // stu_id 是用户中心用户ID，学生在多所学校各有就学记录（同一 stu_id 多行），需按当前学校过滤后取一条
         Integer classId = null;
         String studentName = null;
-        Optional<SchStudent> live = schStudentRepository.findByStuId(stuId);
-        if (live.isPresent() && live.get().getClassId() != null
-                && Objects.equals(live.get().getSchId(), schId)) {
-            classId = live.get().getClassId();
-            studentName = live.get().getName();
+        SchStudent liveMatch = schStudentRepository.findByStuId(stuId).stream()
+                .filter(s -> s.getClassId() != null && Objects.equals(s.getSchId(), schId))
+                .findFirst().orElse(null);
+        if (liveMatch != null) {
+            classId = liveMatch.getClassId();
+            studentName = liveMatch.getName();
         } else {
             List<SchStudentHistory> hist = schStudentHistoryRepository.findBySchIdAndStuId(schId, stuId);
             if (hist.isEmpty()) {
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherRelationService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherRelationService.java
index 05894f0..776d1be 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherRelationService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherRelationService.java
@@ -191,7 +191,7 @@ public class SchTeacherRelationService {
         }
 
         // 异步记录操作日志
-        schTeacherRepository.findByTeaId(teaId).ifPresent(teacher ->
+        schTeacherRepository.findByTeaId(teaId).stream().findFirst().ifPresent(teacher ->
                 logService.setTransferInLogs(user, Collections.singletonList(teacher), targetGroupId));
 
         // 清除所有涉及学校的缓存