|  | @@ -388,7 +388,7 @@ public class TenantGroupServiceImpl extends ServiceImpl<TenantGroupMapper, Tenan
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				|  |  |                          imGroupMember.setRoleType(ImGroupMemberRoleType.TEACHER);
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				|  |  |                          imGroupMember.setAvatar(newTeacher.getAvatar());
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				|  |  |                          imGroupMember.setNickname(newTeacher.getUsername());
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				|  |  | -                        imGroupMember.setIsAdmin(false);
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				|  |  | +                        imGroupMember.setIsAdmin(true);
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				|  |  |                          imGroupMember.setRoleType(ImGroupMemberRoleType.TEACHER);
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				|  |  |  
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				|  |  |                          imGroupMemberService.join(Collections.singletonList(imGroupMember), imGroupId);
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				|  | @@ -494,7 +494,7 @@ public class TenantGroupServiceImpl extends ServiceImpl<TenantGroupMapper, Tenan
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				|  |  |              imGroupMember.setRoleType(ImGroupMemberRoleType.TEACHER);
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				|  |  |              imGroupMember.setAvatar(newTeacher.getAvatar());
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				|  |  |              imGroupMember.setNickname(newTeacher.getUsername());
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				|  |  | -            imGroupMember.setIsAdmin(false);
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				|  |  | +            imGroupMember.setIsAdmin(true);
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				|  |  |  
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				|  |  |              imGroupMemberService.join(Collections.singletonList(imGroupMember), newGroup.getImGroupId());
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				|  |  |          } catch (Exception e) {
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