diff --git a/app/components/p8p_data_grid.js b/app/components/p8p_data_grid.js
index 441aac0..fc743cc 100644
--- a/app/components/p8p_data_grid.js
+++ b/app/components/p8p_data_grid.js
@@ -44,7 +44,7 @@ const P8PDataGrid = ({
     fixedHeader = false,
     fixedColumns = 0,
     morePages = false,
-    reloading,
+    reloading = false,
     expandable,
     orderAscMenuItemCaption,
     orderDescMenuItemCaption,
@@ -162,7 +162,7 @@ P8PDataGrid.propTypes = {
     fixedHeader: PropTypes.bool,
     fixedColumns: PropTypes.number,
     morePages: PropTypes.bool,
-    reloading: PropTypes.bool.isRequired,
+    reloading: PropTypes.bool,
     expandable: PropTypes.bool,
     orderAscMenuItemCaption: PropTypes.string.isRequired,
     orderDescMenuItemCaption: PropTypes.string.isRequired,
diff --git a/app/components/p8p_table.js b/app/components/p8p_table.js
index f5d3c31..0cb7c34 100644
--- a/app/components/p8p_table.js
+++ b/app/components/p8p_table.js
@@ -118,7 +118,9 @@ const STYLES = {
     },
     TABLE_CELL_EXPAND_CONTAINER: {
         paddingBottom: 0,
-        paddingTop: 0
+        paddingTop: 0,
+        paddingLeft: 0,
+        paddingRight: 0
     },
     TABLE_CELL_GROUP_HEADER: {
         backgroundColor: "lightgray"
@@ -495,7 +497,7 @@ const P8PTable = ({
     fixedHeader = false,
     fixedColumns = 0,
     morePages = false,
-    reloading,
+    reloading = false,
     expandable,
     orderAscMenuItemCaption,
     orderDescMenuItemCaption,
@@ -531,7 +533,9 @@ const P8PTable = ({
     const [expanded, setExpanded] = useState({});
 
     //Собственное состояния - развёрнутые группы
-    const [expandedGroups, setExpandedGroups] = useState({});
+    const [expandedGroups, setExpandedGroups] = useState(
+        Array.isArray(groups) && groups.length > 0 ? Object.assign({}, ...groups.map(g => ({ [g.name]: g.expanded }))) : {}
+    );
 
     //Собственное состояние - колонка с отображаемой подсказкой
     const [displayHintColumn, setDisplayHintColumn] = useState(null);
@@ -931,7 +935,7 @@ P8PTable.propTypes = {
     fixedHeader: PropTypes.bool,
     fixedColumns: PropTypes.number,
     morePages: PropTypes.bool,
-    reloading: PropTypes.bool.isRequired,
+    reloading: PropTypes.bool,
     expandable: PropTypes.bool,
     orderAscMenuItemCaption: PropTypes.string.isRequired,
     orderDescMenuItemCaption: PropTypes.string.isRequired,