update

internal/logic/app/group_app.go

@@ -143,7 +143,7 @@ func (*groupApp) AddMembers(ctx context.Context, userId, groupId int64, userIds
 	if err != nil {
 		return nil, err
 	}
-	if imPackage.GroupNum <= int64(group.UserNum)+int64(len(userIds)) {
+	if imPackage.GroupNum < int64(group.UserNum)+int64(len(userIds)) {
 		return nil, errors.New("群人员数量已满！")
 	}