diff --git a/3rdparty/serializer b/3rdparty/serializer
index e2d8a72..b3c550c 160000
--- a/3rdparty/serializer
+++ b/3rdparty/serializer
@@ -1 +1 @@
-Subproject commit e2d8a726ef1396c47bf35347ea8b55ca47c6af3b
+Subproject commit b3c550c5bb7c570b1b10492fcedf287c1915af39
diff --git a/src/defines.h b/src/defines.h
index 86a96a3..22efbb0 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -209,6 +209,15 @@ inline Row<T> create() {
     return QSharedPointer<T>(new T);
 }
 
+template<class T>
+inline T *get(T *row) {
+    return row;
+}
+template<class T>
+inline T *get(const QSharedPointer<T> row) {
+    return row.data();
+}
+
 #else
 template <typename T>
 using RowList = QList<T*>;
@@ -223,6 +232,17 @@ template<class T>
 inline Row<T> create() {
     return new T;
 }
+
+template<class T>
+inline T *get(const Row<T> row) {
+    return row;
+}
+
+template<class T>
+inline T *get(const QSharedPointer<T> row) {
+    return row.data();
+}
+
 #endif
 
 NUT_END_NAMESPACE
diff --git a/src/query.h b/src/query.h
index e4c0c9a..1eca189 100644
--- a/src/query.h
+++ b/src/query.h
@@ -185,7 +185,7 @@ Q_OUTOFLINE_TEMPLATE RowList<T> Query<T>::toList(int count)
     d->sql = d->database->sqlGenertor()->selectCommand(
                 d->tableName, d->fieldPhrase, d->wherePhrase, d->orderPhrase,
                 d->relations, d->skip, d->take);
-
+qDebug()<<d->sql;
     QSqlQuery q = d->database->exec(d->sql);
     if (q.lastError().isValid()) {
         qDebug() << q.lastError().text();
@@ -346,7 +346,7 @@ Q_OUTOFLINE_TEMPLATE RowList<T> Query<T>::toList(int count)
     if (m_autoDelete)
         deleteLater();
 #endif
-
+qDebug() << "len="<<returnList.count();
     return returnList;
 }
 
diff --git a/src/tableset.h b/src/tableset.h
index af02003..e72c13f 100644
--- a/src/tableset.h
+++ b/src/tableset.h
@@ -30,7 +30,6 @@
 #include "tablesetbase_p.h"
 #include "table.h"
 #include "bulkinserter.h"
-//#include "database.h"
 #include "databasemodel.h"
 #include "tablesetbasedata.h"
 
@@ -41,6 +40,7 @@ class Query;
 
 class BulkInserter;
 class Database;
+
 template<class T>
 class NUT_EXPORT TableSet : public TableSetBase
 {
@@ -114,7 +114,7 @@ Q_OUTOFLINE_TEMPLATE void TableSet<T>::append(Row<T> t)
 {
     data->tables.insert(t.data());
     data->childRows.append(t.data());
-
+    data->rowList.append(t);
 //    if (_database)
 //        t->setModel(_database->model().tableByClassName(t->metaObject()->className()));
 
@@ -133,6 +133,7 @@ Q_OUTOFLINE_TEMPLATE void TableSet<T>::append(RowList<T> t)
 template<class T>
 Q_OUTOFLINE_TEMPLATE void TableSet<T>::remove(T *t)
 {
+    data->rowList.removeOne(t);
     data->tables.remove(t);
     t->setStatus(Table::Deleted);
 }
diff --git a/src/tablesetbase.cpp b/src/tablesetbase.cpp
index 15289ab..1cf0b0d 100644
--- a/src/tablesetbase.cpp
+++ b/src/tablesetbase.cpp
@@ -51,7 +51,7 @@ int TableSetBase::save(Database *db, bool cleanUp)
     if (data->table)
         masterModel = db->model().tableByClassName(data->table->metaObject()->className());
 
-    foreach (Row<Table> t, data->childRows) {
+    foreach (Table *t, data->childRows) {
         if(data->table)
             t->setParentTable(data->table,
                               masterModel,
@@ -82,18 +82,20 @@ void TableSetBase::clearChilds()
     data->childRows.clear();
 }
 
-void TableSetBase::add(Row<Table> t)
+void TableSetBase::add(Table *t)
 {
-    if(!data->tables.contains(t.data())){
-        data->tables.insert(t.data());
-        data->childRows.append(t);
+    if(!data->tables.contains(get(t))){
+        data.detach();
+        data->tables.insert(get(t));
+        data->childRows.append(get(t));
     }
 }
 
-void TableSetBase::remove(Row<Table> t)
+void TableSetBase::remove(Table *t)
 {
-    data->tables.remove(t.data());
-    data->childRows.removeOne(t);
+    data.detach();
+    data->tables.remove(get(t));
+    data->childRows.removeOne(get(t));
 }
 
 QString TableSetBase::childClassName() const
@@ -108,6 +110,7 @@ Database *TableSetBase::database() const
 
 void TableSetBase::setDatabase(Database *database)
 {
+    data.detach();
     data->database = database;
 }
 
diff --git a/src/tablesetbase_p.h b/src/tablesetbase_p.h
index c04072e..15f74df 100644
--- a/src/tablesetbase_p.h
+++ b/src/tablesetbase_p.h
@@ -58,8 +58,8 @@ protected:
     QExplicitlySharedDataPointer<TableSetBaseData> data;
 
 private:
-    void add(Row<Table> t);
-    void remove(Row<Table> t);
+    void add(Nut::Table *t);
+    void remove(Nut::Table *t);
 
     friend class Table;
     friend class QueryBase;
diff --git a/src/tablesetbasedata.h b/src/tablesetbasedata.h
index 7e132ed..01ccfeb 100644
--- a/src/tablesetbasedata.h
+++ b/src/tablesetbasedata.h
@@ -34,6 +34,7 @@ public:
     TableSetBaseData(Database *parent) :
         database(parent), table(nullptr)
     { }
+
     TableSetBaseData(Table *parent) :
         database(nullptr), table(parent)
     { }
@@ -43,6 +44,7 @@ public:
     Database *database;
     Table *table;
     QString childClassName;
+    RowList<Table> rowList;
 };
 
 NUT_END_NAMESPACE
diff --git a/test/tst_basic/tst_basic.cpp b/test/tst_basic/tst_basic.cpp
index 55d59c3..f728887 100644
--- a/test/tst_basic/tst_basic.cpp
+++ b/test/tst_basic/tst_basic.cpp
@@ -78,7 +78,7 @@ void BasicTest::createPost()
         comment->setMessage("comment #" + QString::number(i));
         comment->setSaveDate(QDateTime::currentDateTime());
         comment->setAuthorId(user->id());
-        newPost->comments()->append(comment);
+        db.comments()->append(comment);
     }
     for (int i = 0; i < 10; ++i) {
         auto score = Nut::create<Score>();