diff --git a/internal/logic/api/logic_ext.go b/internal/logic/api/logic_ext.go
index ca3991d..92ed053 100644
--- a/internal/logic/api/logic_ext.go
+++ b/internal/logic/api/logic_ext.go
@@ -248,11 +248,15 @@ func (*LogicExtServer) GetGroup(ctx context.Context, in *pb.GetGroupReq) (*pb.Ge
 		return &pb.GetGroupResp{Group: group, MemberType: memberType, GroupUserStatusType: userStatusType}, err
 	}
 	groupNotice, err := repo.GroupRepo.GetGroupNotice(in.GroupId)
-	return &pb.GetGroupResp{Group: group, MemberType: memberType, GroupUserStatusType: userStatusType, GroupNotice: &pb.GroupNotice{
-		Content:     groupNotice.Content,
-		PublishType: pb.GroupNoticePublishType(groupNotice.PublishType),
-		PublishTime: groupNotice.UpdateTime.Format("2006-01-02 15:04:05"),
-	}}, err
+	var groupNoticeInfo = pb.GroupNotice{}
+	if groupNotice == nil {
+		groupNoticeInfo = pb.GroupNotice{
+			Content:     groupNotice.Content,
+			PublishType: pb.GroupNoticePublishType(groupNotice.PublishType),
+			PublishTime: groupNotice.UpdateTime.Format("2006-01-02 15:04:05"),
+		}
+	}
+	return &pb.GetGroupResp{Group: group, MemberType: memberType, GroupUserStatusType: userStatusType, GroupNotice: &groupNoticeInfo}, err
 }
 
 // GetGroups 获取用户加入的所有群组
diff --git a/internal/logic/domain/group/repo/group_repo.go b/internal/logic/domain/group/repo/group_repo.go
index 86df007..065789c 100644
--- a/internal/logic/domain/group/repo/group_repo.go
+++ b/internal/logic/domain/group/repo/group_repo.go
@@ -56,6 +56,9 @@ func (*groupRepo) GetGroupNotice(groupId int64) (*model.GroupNotice, error) {
 	if err != nil {
 		return nil, err
 	}
+	if group == nil {
+		return nil, nil
+	}
 	err = GroupNoticeCache.Set(group)
 	if err != nil {
 		return nil, err