1.后端添加修改学生接口

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/StudentServiceImpl.java

@@ -592,7 +592,7 @@ public class StudentServiceImpl extends ServiceImpl<StudentDao, Student> impleme
         }
         // 是否有修改机构
         Long newTenantId = studentInfo.getTenantId();
-        if(newTenantId != null && !newTenantId.equals(student.getTenantId())){
+        if(newTenantId != null && !newTenantId.equals(student.getTenantId()) && student.getTenantId() != -1L){
             // 退群
             List<ImGroupMember> groupMembers = imGroupMemberService.lambdaQuery()
                     .eq(ImGroupMember::getRoleType, ImGroupMemberRoleType.STUDENT)