diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoService.java
index 7da5c06..54afa09 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoService.java
@@ -7,7 +7,7 @@ import com.yunhai.bschclassmanage.entity.SchTeacherGroup;
 import com.yunhai.bschclassmanage.model.dto.TeacherBaseInfoDTO;
 import com.yunhai.bschclassmanage.annotation.SyncOpLog;
 import com.yunhai.bschclassmanage.enums.SyncDataType;
-import com.yunhai.platform.openapi.core.YschOpenCall;
+import com.yunhai.bschclassmanage.service.ISendUserBaseService;
 import com.yunhai.platform.utils.model.BoaUser;
 import com.yunhai.platform.utils.exception.DException;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -17,12 +17,12 @@ import org.springframework.transaction.annotation.Transactional;
 import java.util.*;
 import java.util.stream.Collectors;
 
-/** 开放接口只修改四项资料，通过平台签名客户端同步基础平台。 */
+/** 开放接口只修改四项资料，经既有教师同步通道（SendUserBaseService）推送用户中心。 */
 @Service
 public class SchTeacherBaseInfoService {
     @Autowired private SchTeacherRepository teacherRepository;
     @Autowired private SchTeacherGroupRepository groupRepository;
-    @Autowired private YschOpenCall openCall;
+    @Autowired private ISendUserBaseService sendUserBaseService;
     @Autowired private SchTeacherCacheService cacheService;
 
     public TeacherBaseInfoDTO get(Integer schId, Integer teaId) {
@@ -33,7 +33,7 @@ public class SchTeacherBaseInfoService {
     @Transactional(rollbackFor = Exception.class)
     @SyncOpLog(SyncDataType.SEND_EDIT_TEACHER)
     public TeacherBaseInfoDTO edit(TeacherBaseInfoDTO dto) {
-        requireMembership(dto.getSchId(), dto.getTeaId());
+        List<SchTeacherGroup> memberships = requireMembership(dto.getSchId(), dto.getTeaId());
         List<SchTeacher> teachers = teachers(dto.getTeaId());
         String name = dto.getName() == null ? "" : dto.getName().trim();
         if (name.isEmpty()) throw new DException("姓名不能为空");
@@ -52,15 +52,11 @@ public class SchTeacherBaseInfoService {
             teacher.setUpdateUserId(dto.getTeaId());
         }
         // 先同步；失败抛异常并回滚本地事务。teaId 可能对应多行，统一修改。
-        Map<String, Object> profile = new LinkedHashMap<>();
-        profile.put("realName", name);
-        profile.put("gender", dto.getGender());
-        profile.put("phone", trim(dto.getPhone()));
-        profile.put("idcard", trim(dto.getIdcard()));
-        BoaUser synced = openCall.post("userbase", "/oapi/user/editBasicInfo/" + dto.getTeaId(),
-                null, profile, BoaUser.class);
+        // 复用管理端同款教师同步（用户中心 /oapi/user/edit/{id}，身份追加语义、不改密码）；
+        // groupId 仅用于解析学校范围，不会移动教师分组。
+        BoaUser synced = sendUserBaseService.editTeacher(teachers.get(0), null, memberships.get(0).getGroupId());
         if (synced == null || !dto.getTeaId().equals(synced.getId())) {
-            throw new DException("基础平台未返回有效教师信息，同步失败");
+            throw new DException("用户中心未返回有效教师信息，同步失败");
         }
         teacherRepository.saveAll(teachers);
         Set<Integer> schools = groupRepository.findByTeaIdIn(Collections.singletonList(dto.getTeaId())).stream()
diff --git a/src/test/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoServiceTest.java b/src/test/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoServiceTest.java
index afb691a..f63cf5a 100644
--- a/src/test/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoServiceTest.java
+++ b/src/test/java/com/yunhai/bschclassmanage/service/impl/teacher/SchTeacherBaseInfoServiceTest.java
@@ -3,7 +3,7 @@ package com.yunhai.bschclassmanage.service.impl.teacher;
 import com.yunhai.bschclassmanage.Repository.*;
 import com.yunhai.bschclassmanage.entity.*;
 import com.yunhai.bschclassmanage.model.dto.TeacherBaseInfoDTO;
-import com.yunhai.platform.openapi.core.YschOpenCall;
+import com.yunhai.bschclassmanage.service.ISendUserBaseService;
 import com.yunhai.platform.utils.exception.DException;
 import com.yunhai.platform.utils.model.BoaUser;
 import org.junit.jupiter.api.*;
@@ -20,7 +20,7 @@ class SchTeacherBaseInfoServiceTest {
     @InjectMocks private SchTeacherBaseInfoService service;
     @Mock private SchTeacherRepository teacherRepository;
     @Mock private SchTeacherGroupRepository groupRepository;
-    @Mock private YschOpenCall openCall;
+    @Mock private ISendUserBaseService sendUserBaseService;
     @Mock private SchTeacherCacheService cacheService;
 
     private SchTeacherGroup group(int school) {
@@ -44,7 +44,7 @@ class SchTeacherBaseInfoServiceTest {
 
     @Test void updatesAllTeacherRowsAndInvalidatesAllSchoolsAfterSync() {
         List<SchTeacher> rows = givenTeacher();
-        when(openCall.post(eq("userbase"), eq("/oapi/user/editBasicInfo/101"), isNull(), any(), eq(BoaUser.class)))
+        when(sendUserBaseService.editTeacher(any(SchTeacher.class), isNull(), eq(31)))
                 .thenReturn(new BoaUser(101, "teacher", "新姓名"));
         when(groupRepository.findByTeaIdIn(Collections.singletonList(101))).thenReturn(Arrays.asList(group(3),group(4)));
         assertEquals("新姓名", service.edit(request()).getName());
@@ -52,8 +52,8 @@ class SchTeacherBaseInfoServiceTest {
             assertEquals("新姓名", t.getName()); assertEquals(1,t.getGender());
             assertNull(t.getTel()); assertEquals("teacher",t.getAccount()); assertEquals(1,t.getStatus());
         }
-        InOrder order = inOrder(openCall,teacherRepository,cacheService);
-        order.verify(openCall).post(eq("userbase"),eq("/oapi/user/editBasicInfo/101"),isNull(),any(),eq(BoaUser.class));
+        InOrder order = inOrder(sendUserBaseService,teacherRepository,cacheService);
+        order.verify(sendUserBaseService).editTeacher(any(SchTeacher.class), isNull(), eq(31));
         order.verify(teacherRepository).saveAll(rows);
         order.verify(cacheService).clearTeacherCaches(new HashSet<>(Arrays.asList(3,4)));
     }
@@ -62,13 +62,16 @@ class SchTeacherBaseInfoServiceTest {
         SchTeacherGroup out = group(3); out.setTransferStatus(1);
         when(groupRepository.findByTeaIdAndSchId(101,3)).thenReturn(Collections.singletonList(out));
         assertThrows(DException.class, () -> service.edit(request()));
-        verifyNoInteractions(openCall,teacherRepository,cacheService);
+        verifyNoInteractions(sendUserBaseService,teacherRepository,cacheService);
     }
 
     @Test void syncFailureDoesNotSaveOrClearCache() {
-        givenTeacher();
-        when(openCall.post(anyString(),anyString(),isNull(),any(),eq(BoaUser.class))).thenThrow(new DException("平台失败"));
+        List<SchTeacher> rows = givenTeacher();
+        when(sendUserBaseService.editTeacher(any(SchTeacher.class), isNull(), eq(31)))
+                .thenThrow(new DException("平台失败"));
         assertThrows(DException.class, () -> service.edit(request()));
         verify(teacherRepository,never()).saveAll(any()); verifyNoInteractions(cacheService);
+        // 同步前已就地改写的实体随事务回滚，不落库
+        assertEquals("新姓名", rows.get(0).getName());
     }
 }