diff --git a/dist/workers/graph.js b/dist/workers/graph.js
index 9ec8b319f0..12625831ba 100644
--- a/dist/workers/graph.js
+++ b/dist/workers/graph.js
@@ -141,7 +141,7 @@ initFonts = () => {
 	const fontFace = new FontFace(name, `url("../font/inter/regular.woff2") format("woff2")`);
 
 	self.fonts.add(fontFace);
-	fontFace.load().then(() =>  fontFamily = name);
+	fontFace.load().then(() => fontFamily = name);
 };
 
 image = ({ src, bitmap }) => {
diff --git a/electron.js b/electron.js
index 22ea2ad56e..e99943047f 100644
--- a/electron.js
+++ b/electron.js
@@ -114,7 +114,7 @@ function createWindow () {
 
 		if (mainWindow.isFullScreen()) {
 			mainWindow.setFullScreen(false);
-			mainWindow.once('leave-full-screen', () =>  mainWindow.hide());
+			mainWindow.once('leave-full-screen', () => mainWindow.hide());
 		} else {
 			mainWindow.hide();
 		};
diff --git a/electron/about/about.js b/electron/about/about.js
index f416a9c576..9d7fd0710a 100644
--- a/electron/about/about.js
+++ b/electron/about/about.js
@@ -29,7 +29,7 @@ $(() => {
 		copyIcon.addClass('active');
 
 		clearTimeout(timeout);
-		setTimeout(() =>  copyIcon.removeClass('active'), 2000);
+		setTimeout(() => copyIcon.removeClass('active'), 2000);
 	});
 
 	$.ajax({
diff --git a/electron/js/api.js b/electron/js/api.js
index 1dfb2a2243..8a4e3966f3 100644
--- a/electron/js/api.js
+++ b/electron/js/api.js
@@ -182,7 +182,7 @@ class Api {
 		Util.log('info', '[Api].exit, relaunch: ' + relaunch);
 		Util.send(win, 'shutdownStart');
 
-		Server.stop(signal).then(() =>  this.shutdown(win, relaunch));
+		Server.stop(signal).then(() => this.shutdown(win, relaunch));
 	};
 
 	setInterfaceLang (win, lang) {
diff --git a/electron/js/menu.js b/electron/js/menu.js
index 68cf60f2bc..1acc63505c 100644
--- a/electron/js/menu.js
+++ b/electron/js/menu.js
@@ -230,7 +230,7 @@ class MenuManager {
 
 				{ label: 'Export templates', click: () => Util.send(this.win, 'commandGlobal', 'exportTemplates') },
 				{ label: 'Export objects', click: () => Util.send(this.win, 'commandGlobal', 'exportObjects') },
-				{ label: 'Export localstore', click: () =>  Util.send(this.win, 'commandGlobal', 'exportLocalstore') },
+				{ label: 'Export localstore', click: () => Util.send(this.win, 'commandGlobal', 'exportLocalstore') },
 
 				Separator,
 
diff --git a/electron/js/window.js b/electron/js/window.js
index 7062bd3380..7a2a198cea 100644
--- a/electron/js/window.js
+++ b/electron/js/window.js
@@ -53,7 +53,7 @@ class WindowManager {
 			win = null;
 		});
 
-		win.once('ready-to-show', () =>  win.show());
+		win.once('ready-to-show', () => win.show());
 		win.on('focus', () => { 
 			UpdateManager.setWindow(win);
 			MenuManager.setWindow(win); 
diff --git a/extension/popup/create.tsx b/extension/popup/create.tsx
index bb1b2ea875..b5eed15711 100644
--- a/extension/popup/create.tsx
+++ b/extension/popup/create.tsx
@@ -334,9 +334,9 @@ const Create = observer(class Create extends React.Component<I.PageComponent, St
 			horizontal: I.MenuDirection.Center,
 			commonFilter: true,
 			onOpen: () => {
-				window.setTimeout(() =>  $(element).addClass('isFocused'));
+				window.setTimeout(() => $(element).addClass('isFocused'));
 			},
-			onClose: () =>  $(element).removeClass('isFocused'),
+			onClose: () => $(element).removeClass('isFocused'),
 			data: {
 				canAdd: true,
 				filter: '',
diff --git a/src/ts/app.tsx b/src/ts/app.tsx
index 54846eaaa6..17e7d10489 100644
--- a/src/ts/app.tsx
+++ b/src/ts/app.tsx
@@ -424,7 +424,7 @@ class App extends React.Component<object, State> {
 			popupStore.closeAll();
 		};
 
-		window.setTimeout(() =>  popupStore.open(id, param), Constant.delay.popup);
+		window.setTimeout(() => popupStore.open(id, param), Constant.delay.popup);
 	};
 
 	onUpdateCheck (e: any, auto: boolean) {
diff --git a/src/ts/component/block/dataview.tsx b/src/ts/component/block/dataview.tsx
index 52827b6047..98e15a3cf8 100644
--- a/src/ts/component/block/dataview.tsx
+++ b/src/ts/component/block/dataview.tsx
@@ -961,7 +961,7 @@ const BlockDataview = observer(class BlockDataview extends React.Component<Props
 				};
 
 				if (message.views && message.views.length) {
-					window.setTimeout(() =>  this.loadData(message.views[0].id, 0, true), 50);
+					window.setTimeout(() => this.loadData(message.views[0].id, 0, true), 50);
 				};
 
 				if (isNew) {
@@ -1201,7 +1201,7 @@ const BlockDataview = observer(class BlockDataview extends React.Component<Props
 					block.content.objectOrder.push(it);
 				};
 
-				window.setTimeout(() =>  this.applyObjectOrder(it.groupId, records), 30);
+				window.setTimeout(() => this.applyObjectOrder(it.groupId, records), 30);
 			});
 
 			if (callBack) {
diff --git a/src/ts/component/block/dataview/cell/index.tsx b/src/ts/component/block/dataview/cell/index.tsx
index 77245ddf67..3e1ba4d4b2 100644
--- a/src/ts/component/block/dataview/cell/index.tsx
+++ b/src/ts/component/block/dataview/cell/index.tsx
@@ -427,7 +427,7 @@ const Cell = observer(class Cell extends React.Component<Props> {
 				});
 
 				if (!config.debug.ui) {
-					win.off('blur.cell').on('blur.cell', () =>  menuStore.closeAll(Constant.menuIds.cell));
+					win.off('blur.cell').on('blur.cell', () => menuStore.closeAll(Constant.menuIds.cell));
 				};
 			} else 
 			if (closeIfOpen) {
diff --git a/src/ts/component/block/dataview/cell/object.tsx b/src/ts/component/block/dataview/cell/object.tsx
index 3477b6e862..fd4aecee4d 100644
--- a/src/ts/component/block/dataview/cell/object.tsx
+++ b/src/ts/component/block/dataview/cell/object.tsx
@@ -171,7 +171,7 @@ const CellObject = observer(class CellObject extends React.Component<I.Cell, Sta
 			this.setState({ isEditing: v });
 
 			if (v) {
-				window.setTimeout(() =>  this.focus(), 15);
+				window.setTimeout(() => this.focus(), 15);
 			};
 		};
 	};
diff --git a/src/ts/component/block/dataview/cell/select.tsx b/src/ts/component/block/dataview/cell/select.tsx
index 428e5c82f8..18cf4df99a 100644
--- a/src/ts/component/block/dataview/cell/select.tsx
+++ b/src/ts/component/block/dataview/cell/select.tsx
@@ -91,7 +91,7 @@ const CellSelect = observer(class CellSelect extends React.Component<I.Cell, Sta
 										color={item.color}
 										canEdit={!isSelect} 
 										className={Relation.selectClassName(relation.format)}
-										onRemove={() =>  this.onValueRemove(item.id)}
+										onRemove={() => this.onValueRemove(item.id)}
 									/>
 								</span>
 							))}
diff --git a/src/ts/component/block/dataview/view/board/card.tsx b/src/ts/component/block/dataview/view/board/card.tsx
index 5b04cfc497..23cafb8c38 100644
--- a/src/ts/component/block/dataview/view/board/card.tsx
+++ b/src/ts/component/block/dataview/view/board/card.tsx
@@ -105,7 +105,7 @@ const Card = observer(class Card extends React.Component<Props> {
 			0: () => {
 				keyboard.withCommand(e) ? UtilObject.openWindow(record) : UtilObject.openPopup(record); 
 			},
-			2: () =>  onContext(e, record.id)
+			2: () => onContext(e, record.id)
 		};
 
 		const ids = selection ? selection.get(I.SelectType.Record) : [];
diff --git a/src/ts/component/block/dataview/view/board/column.tsx b/src/ts/component/block/dataview/view/board/column.tsx
index 7928fa12bd..b87d68613b 100644
--- a/src/ts/component/block/dataview/view/board/column.tsx
+++ b/src/ts/component/block/dataview/view/board/column.tsx
@@ -247,7 +247,7 @@ const Column = observer(class Column extends React.Component<Props> {
 		menuStore.open('dataviewGroupEdit', {
 			element: `#column-${id}-head`,
 			horizontal: I.MenuDirection.Center,
-			onClose: () =>  node.removeClass('active'),
+			onClose: () => node.removeClass('active'),
 			data: {
 				rootId,
 				blockId: block.id,
diff --git a/src/ts/component/block/dataview/view/gallery/card.tsx b/src/ts/component/block/dataview/view/gallery/card.tsx
index 895785be5a..b3be98aa20 100644
--- a/src/ts/component/block/dataview/view/gallery/card.tsx
+++ b/src/ts/component/block/dataview/view/gallery/card.tsx
@@ -154,7 +154,7 @@ const Card = observer(class Card extends React.Component<Props> {
 			0: () => { 
 				keyboard.withCommand(e) ? UtilObject.openWindow(record) : UtilObject.openPopup(record); 
 			},
-			2: () =>  onContext(e, record.id)
+			2: () => onContext(e, record.id)
 		};
 
 		const ids = selection ? selection.get(I.SelectType.Record) : [];
diff --git a/src/ts/component/block/dataview/view/grid.tsx b/src/ts/component/block/dataview/view/grid.tsx
index 77b9c86df5..f2f73df4f3 100644
--- a/src/ts/component/block/dataview/view/grid.tsx
+++ b/src/ts/component/block/dataview/view/grid.tsx
@@ -168,7 +168,7 @@ const ViewGrid = observer(class ViewGrid extends React.Component<I.ViewComponent
 		const node = $(this.node);
 
 		this.unbind();
-		node.find('#scroll').on('scroll', () =>  this.onScroll());
+		node.find('#scroll').on('scroll', () => this.onScroll());
 	};
 
 	unbind () {
@@ -296,7 +296,7 @@ const ViewGrid = observer(class ViewGrid extends React.Component<I.ViewComponent
 			width: this.checkWidth(e.pageX - this.ox),
 		});
 
-		window.setTimeout(() =>  keyboard.setResize(false), 50);
+		window.setTimeout(() => keyboard.setResize(false), 50);
 	};
 
 	checkWidth (width: number): number {
@@ -319,7 +319,7 @@ const ViewGrid = observer(class ViewGrid extends React.Component<I.ViewComponent
 				isInline,
 				isCollection,
 				blockId: block.id,
-				onAdd: () =>  menuStore.closeAll(Constant.menuIds.cellAdd)
+				onAdd: () => menuStore.closeAll(Constant.menuIds.cellAdd)
 			}
 		});
 	};
diff --git a/src/ts/component/block/dataview/view/grid/head/cell.tsx b/src/ts/component/block/dataview/view/grid/head/cell.tsx
index 4ef4f0c7f7..e092b0a222 100644
--- a/src/ts/component/block/dataview/view/grid/head/cell.tsx
+++ b/src/ts/component/block/dataview/view/grid/head/cell.tsx
@@ -88,8 +88,8 @@ const HeadCell = observer(class HeadCell extends React.Component<Props> {
 				element,
 				horizontal: I.MenuDirection.Center,
 				noFlipY: true,
-				onOpen: () =>  obj.addClass('active'),
-				onClose: () =>  obj.removeClass('active'),
+				onOpen: () => obj.addClass('active'),
+				onClose: () => obj.removeClass('active'),
 				data: {
 					loadData,
 					getView,
diff --git a/src/ts/component/block/dataview/view/list/row.tsx b/src/ts/component/block/dataview/view/list/row.tsx
index 7a05d29c4a..466c899399 100644
--- a/src/ts/component/block/dataview/view/list/row.tsx
+++ b/src/ts/component/block/dataview/view/list/row.tsx
@@ -125,7 +125,7 @@ const Row = observer(class Row extends React.Component<Props> {
 			0: () => {
 				keyboard.withCommand(e) ? UtilObject.openWindow(record) : UtilObject.openPopup(record); 
 			},
-			2: () =>  onContext(e, record.id)
+			2: () => onContext(e, record.id)
 		};
 
 		const ids = selection ? selection.get(I.SelectType.Record) : [];
diff --git a/src/ts/component/block/featured.tsx b/src/ts/component/block/featured.tsx
index b2c79ea47a..5503068a05 100644
--- a/src/ts/component/block/featured.tsx
+++ b/src/ts/component/block/featured.tsx
@@ -657,7 +657,7 @@ const BlockFeatured = observer(class BlockFeatured extends React.Component<Props
 					param.classNameWrap = 'fixed fromHeader';
 				};
 
-				menuStore.closeAll(null, () =>  menuStore.open('blockRelationView', param));
+				menuStore.closeAll(null, () => menuStore.open('blockRelationView', param));
 				break;
 			};
 		};
diff --git a/src/ts/component/block/table.tsx b/src/ts/component/block/table.tsx
index 182ce57886..9e7ece7f00 100644
--- a/src/ts/component/block/table.tsx
+++ b/src/ts/component/block/table.tsx
@@ -264,7 +264,7 @@ const BlockTable = observer(class BlockTable extends React.Component<I.BlockComp
 			component: 'select',
 			onOpen: (context: any) => {
 				menuContext = context;
-				raf(() =>  this.onOptionsOpen(type, rowId, columnId, cellId)); 
+				raf(() => this.onOptionsOpen(type, rowId, columnId, cellId)); 
 			},
 			onClose: () => {
 				menuStore.closeAll(Constant.menuIds.table);
@@ -432,7 +432,7 @@ const BlockTable = observer(class BlockTable extends React.Component<I.BlockComp
 								options: this.optionsHAlign(),
 								value: current.hAlign,
 								onSelect: (e: any, el: any) => {
-									fill(() =>  C.BlockListSetAlign(rootId, blockIds, el.id));
+									fill(() => C.BlockListSetAlign(rootId, blockIds, el.id));
 									menuContext.close();
 								}
 							});
@@ -446,7 +446,7 @@ const BlockTable = observer(class BlockTable extends React.Component<I.BlockComp
 								options: this.optionsVAlign(),
 								value: current.vAlign,
 								onSelect: (e: any, el: any) => {
-									fill(() =>  C.BlockListSetVerticalAlign(rootId, blockIds, el.id));
+									fill(() => C.BlockListSetVerticalAlign(rootId, blockIds, el.id));
 									menuContext.close();
 								}
 							});
@@ -457,7 +457,7 @@ const BlockTable = observer(class BlockTable extends React.Component<I.BlockComp
 							menuId = 'blockColor';
 							menuParam.data = Object.assign(menuParam.data, {
 								onChange: (id: string) => {
-									fill(() =>  C.BlockTextListSetColor(rootId, blockIds, id));
+									fill(() => C.BlockTextListSetColor(rootId, blockIds, id));
 									menuContext.close();
 								}
 							});
@@ -468,7 +468,7 @@ const BlockTable = observer(class BlockTable extends React.Component<I.BlockComp
 							menuId = 'blockBackground';
 							menuParam.data = Object.assign(menuParam.data, {
 								onChange: (id: string) => {
-									fill(() =>  C.BlockListSetBackgroundColor(rootId, blockIds, id));
+									fill(() => C.BlockListSetBackgroundColor(rootId, blockIds, id));
 									menuContext.close();
 								}
 							});
diff --git a/src/ts/component/block/table/cell.tsx b/src/ts/component/block/table/cell.tsx
index c9f9332ce1..3b43d5dbab 100644
--- a/src/ts/component/block/table/cell.tsx
+++ b/src/ts/component/block/table/cell.tsx
@@ -144,7 +144,7 @@ const BlockTableCell = observer(class BlockTableCell extends React.Component<Pro
 						onKeyUp={(e: any, text: string, marks: I.Mark[], range: I.TextRange, props: any) => { 
 							onCellKeyUp(e, row.id, column.id, cellId, text, marks, range, props);
 						}}
-						onUpdate={() =>  onCellUpdate(cellId)}
+						onUpdate={() => onCellUpdate(cellId)}
 						onFocus={e =>  onCellFocus(e, row.id, column.id, cellId)}
 						onBlur={e =>  onCellBlur(e, row.id, column.id, cellId)}
 						getWrapperWidth={() => Constant.size.editor} 
diff --git a/src/ts/component/block/text.tsx b/src/ts/component/block/text.tsx
index b61c81ddf2..24cdc7e5ea 100644
--- a/src/ts/component/block/text.tsx
+++ b/src/ts/component/block/text.tsx
@@ -1429,7 +1429,7 @@ const BlockText = observer(class BlockText extends React.Component<Props> {
 	
 	onMouseUp () {
 		window.clearTimeout(this.timeoutClick);
-		this.timeoutClick = window.setTimeout(() =>  this.clicks = 0, 300);
+		this.timeoutClick = window.setTimeout(() => this.clicks = 0, 300);
 	};
 
 	onSelectIcon (icon: string) {
diff --git a/src/ts/component/block/type.tsx b/src/ts/component/block/type.tsx
index e727162450..696796ce95 100644
--- a/src/ts/component/block/type.tsx
+++ b/src/ts/component/block/type.tsx
@@ -186,7 +186,7 @@ const BlockType = observer(class BlockType extends React.Component<I.BlockCompon
 
 		menuStore.open('typeSuggest', {
 			element: `#block-${block.id} #item-menu`,
-			onOpen: () =>  obj.addClass('active'),
+			onOpen: () => obj.addClass('active'),
 			onClose: () => { 
 				obj.removeClass('active'); 
 				focus.apply();
diff --git a/src/ts/component/editor/page.tsx b/src/ts/component/editor/page.tsx
index 8fb5000d17..8682888bc8 100644
--- a/src/ts/component/editor/page.tsx
+++ b/src/ts/component/editor/page.tsx
@@ -628,7 +628,7 @@ const EditorPage = observer(class EditorPage extends React.Component<Props, Stat
 				};
 
 				e.preventDefault();
-				Action.duplicate(rootId, rootId, ids[ids.length - 1], ids, I.BlockPosition.Bottom, () =>  focus.clear(true));
+				Action.duplicate(rootId, rootId, ids[ids.length - 1], ids, I.BlockPosition.Bottom, () => focus.clear(true));
 			});
 
 			for (const item of styleParam) {
@@ -1329,7 +1329,7 @@ const EditorPage = observer(class EditorPage extends React.Component<Props, Stat
 		};
 
 		Action.move(rootId, rootId, obj.id, [ block.id ], (isShift ? I.BlockPosition.Bottom : I.BlockPosition.Inner), () => {
-			window.setTimeout(() =>  this.focus(block.id, range.from, range.to, false), 50);
+			window.setTimeout(() => this.focus(block.id, range.from, range.to, false), 50);
 
 			if (next && next.isTextToggle()) {
 				blockStore.toggle(rootId, next.id, true);
@@ -1880,7 +1880,7 @@ const EditorPage = observer(class EditorPage extends React.Component<Props, Stat
 
 		C.BlockCreate(rootId, blockId, position, param, (message: any) => {
 			if (param.type == I.BlockType.Text) {
-				window.setTimeout(() =>  this.focus(message.blockId, 0, 0, false), 15);
+				window.setTimeout(() => this.focus(message.blockId, 0, 0, false), 15);
 			};
 
 			if (callBack) {
diff --git a/src/ts/component/header/index.tsx b/src/ts/component/header/index.tsx
index 3dfe759f93..8dcd2b9b76 100644
--- a/src/ts/component/header/index.tsx
+++ b/src/ts/component/header/index.tsx
@@ -116,7 +116,7 @@ class Header extends React.Component<Props> {
 			menuParam.classNameWrap = 'fixed fromHeader';
 		};
 
-		menuStore.closeAllForced(null, () =>  menuStore.open(id, menuParam));
+		menuStore.closeAllForced(null, () => menuStore.open(id, menuParam));
 	};
 
 	getContainer () {
diff --git a/src/ts/component/header/main/object.tsx b/src/ts/component/header/main/object.tsx
index 8b5c71b13d..ecbc49b0c4 100644
--- a/src/ts/component/header/main/object.tsx
+++ b/src/ts/component/header/main/object.tsx
@@ -116,7 +116,7 @@ const HeaderMainObject = observer(class HeaderMainObject extends React.Component
 		const object = detailStore.get(rootId, rootId, []);
 
 		keyboard.disableClose(true);
-		popupStore.closeAll(null, () =>  UtilObject.openRoute(object));
+		popupStore.closeAll(null, () => UtilObject.openRoute(object));
 	};
 	
 	onMore () {
diff --git a/src/ts/component/menu/block/action.tsx b/src/ts/component/menu/block/action.tsx
index 76f2b5022e..2afe5b0c31 100644
--- a/src/ts/component/menu/block/action.tsx
+++ b/src/ts/component/menu/block/action.tsx
@@ -99,7 +99,7 @@ class MenuBlockAction extends React.Component<I.Menu, State> {
 		this._isMounted = true;
 		this.rebind();
 
-		menu.off('mouseleave').on('mouseleave', () =>  menuStore.clearTimeout());
+		menu.off('mouseleave').on('mouseleave', () => menuStore.clearTimeout());
 	};
 
 	componentDidUpdate () {
@@ -513,7 +513,7 @@ class MenuBlockAction extends React.Component<I.Menu, State> {
 						{ operator: I.FilterOperator.And, relationKey: 'layout', condition: I.FilterCondition.In, value: UtilObject.getPageLayouts() },
 					],
 					canAdd: true,
-					onSelect: () =>  close()
+					onSelect: () => close()
 				});
 				break;
 			};
diff --git a/src/ts/component/menu/block/add.tsx b/src/ts/component/menu/block/add.tsx
index a219f6dc88..d95a195a75 100644
--- a/src/ts/component/menu/block/add.tsx
+++ b/src/ts/component/menu/block/add.tsx
@@ -207,7 +207,7 @@ const MenuBlockAdd = observer(class MenuBlockAdd extends React.Component<I.Menu>
 			keyMapper: i => (items[i] || {}).id,
 		});
 		
-		$(`#${getId()}`).off('mouseleave').on('mouseleave', () =>  window.clearTimeout(this.timeout));
+		$(`#${getId()}`).off('mouseleave').on('mouseleave', () => window.clearTimeout(this.timeout));
 	};
 	
 	componentDidUpdate () {
diff --git a/src/ts/component/menu/block/context.tsx b/src/ts/component/menu/block/context.tsx
index 26cd990442..c962e81e2d 100644
--- a/src/ts/component/menu/block/context.tsx
+++ b/src/ts/component/menu/block/context.tsx
@@ -256,7 +256,7 @@ const MenuBlockContext = observer(class MenuBlockContext extends React.Component
 						menuStore.updateData(this.props.id, { marks });
 						onChange(marks);
 
-						window.setTimeout(() =>  focus.apply(), 15);
+						window.setTimeout(() => focus.apply(), 15);
 					}
 				});
 
diff --git a/src/ts/component/menu/block/cover.tsx b/src/ts/component/menu/block/cover.tsx
index f7329f7d36..ce4c3ae193 100644
--- a/src/ts/component/menu/block/cover.tsx
+++ b/src/ts/component/menu/block/cover.tsx
@@ -136,7 +136,7 @@ const MenuBlockCover = observer(class MenuBlockCover extends React.Component<I.M
 						<div 
 							key={item.id} 
 							className={[ 'btn', (item.id == this.tab ? 'active' : '') ].join(' ')}
-							onClick={() =>  this.setTab(item.id)}
+							onClick={() => this.setTab(item.id)}
 						>
 							{item.name}
 						</div>
diff --git a/src/ts/component/menu/block/more.tsx b/src/ts/component/menu/block/more.tsx
index 03479421aa..10e1c6c6ad 100644
--- a/src/ts/component/menu/block/more.tsx
+++ b/src/ts/component/menu/block/more.tsx
@@ -508,7 +508,7 @@ class MenuBlockMore extends React.Component<I.Menu> {
 			};
 
 			case 'pageUninstall': {
-				Action.uninstall(object, false, () =>  onBack());
+				Action.uninstall(object, false, () => onBack());
 				break;
 			};
 
diff --git a/src/ts/component/menu/block/relation/view.tsx b/src/ts/component/menu/block/relation/view.tsx
index 3ce4f1459a..719342a562 100644
--- a/src/ts/component/menu/block/relation/view.tsx
+++ b/src/ts/component/menu/block/relation/view.tsx
@@ -219,7 +219,7 @@ const MenuBlockRelationView = observer(class MenuBlockRelationView extends React
 		if (idx < 0) {
 			const item = items.find(it => it.relationKey == relationKey);
 			const cb = () => {
-				C.ObjectRelationAddFeatured(rootId, [ relationKey ], () =>  analytics.event('FeatureRelation'));
+				C.ObjectRelationAddFeatured(rootId, [ relationKey ], () => analytics.event('FeatureRelation'));
 			};
 
 			if (item.scope == I.RelationScope.Type) {
@@ -228,7 +228,7 @@ const MenuBlockRelationView = observer(class MenuBlockRelationView extends React
 				cb();
 			};
 		} else {
-			C.ObjectRelationRemoveFeatured(rootId, [ relationKey ], () =>  analytics.event('UnfeatureRelation'));
+			C.ObjectRelationRemoveFeatured(rootId, [ relationKey ], () => analytics.event('UnfeatureRelation'));
 		};
 	};
 
diff --git a/src/ts/component/menu/dataview/file/values.tsx b/src/ts/component/menu/dataview/file/values.tsx
index d2360f8d00..86fedd9ac9 100644
--- a/src/ts/component/menu/dataview/file/values.tsx
+++ b/src/ts/component/menu/dataview/file/values.tsx
@@ -45,7 +45,7 @@ const MenuDataviewFileValues = observer(class MenuDataviewFileValues extends Rea
 		);
 
 		const Image = (item: any) => (
-			<img src={commonStore.imageUrl(item.id, 208)} className="img" onLoad={() =>  position()} />
+			<img src={commonStore.imageUrl(item.id, 208)} className="img" onLoad={() => position()} />
 		);
 
         const Item = SortableElement((item: any) => {
diff --git a/src/ts/component/menu/dataview/filter/list.tsx b/src/ts/component/menu/dataview/filter/list.tsx
index b938de74a2..341bd81fe9 100644
--- a/src/ts/component/menu/dataview/filter/list.tsx
+++ b/src/ts/component/menu/dataview/filter/list.tsx
@@ -139,7 +139,7 @@ const MenuFilterList = observer(class MenuFilterList extends React.Component<I.M
 							className="item add" 
 							onClick={this.onAdd}
 							onMouseEnter={() => { this.props.setHover({ id: 'add' }); }} 
-							onMouseLeave={() =>  this.props.setHover()}
+							onMouseLeave={() => this.props.setHover()}
 						>
 							<Icon className="plus" />
 							<div className="name">{translate('menuDataviewFilterNewFilter')}</div>
@@ -182,7 +182,7 @@ const MenuFilterList = observer(class MenuFilterList extends React.Component<I.M
 		const { getId } = this.props;
 		const obj = $(`#${getId()} .content`);
 
-		obj.off('click').on('click', () =>  menuStore.closeAll(Constant.menuIds.cell));
+		obj.off('click').on('click', () => menuStore.closeAll(Constant.menuIds.cell));
 
 		this.unbind();
 		$(window).on('keydown.menu', e =>  this.props.onKeyDown(e));
@@ -286,7 +286,7 @@ const MenuFilterList = observer(class MenuFilterList extends React.Component<I.M
 		const { oldIndex, newIndex } = result;
 		
 		view.filters = arrayMove(view.filters as I.Filter[], oldIndex, newIndex);
-		C.BlockDataviewFilterSort(rootId, blockId, view.id, view.filters.map(it => it.id), () =>  loadData(view.id, 0));
+		C.BlockDataviewFilterSort(rootId, blockId, view.id, view.filters.map(it => it.id), () => loadData(view.id, 0));
 
 		keyboard.disableSelection(false);
 
diff --git a/src/ts/component/menu/dataview/option/list.tsx b/src/ts/component/menu/dataview/option/list.tsx
index 3af371a2f6..bd374799ac 100644
--- a/src/ts/component/menu/dataview/option/list.tsx
+++ b/src/ts/component/menu/dataview/option/list.tsx
@@ -186,7 +186,7 @@ const MenuOptionList = observer(class MenuOptionList extends React.Component<I.M
 	rebind () {
 		this.unbind();
 		$(window).on('keydown.menu', e => this.onKeyDown(e));
-		$(`#${this.props.getId()}`).on('click', () =>  menuStore.close('dataviewOptionEdit'));
+		$(`#${this.props.getId()}`).on('click', () => menuStore.close('dataviewOptionEdit'));
 		window.setTimeout(() => this.props.setActive(), 15);
 	};
 
@@ -316,7 +316,7 @@ const MenuOptionList = observer(class MenuOptionList extends React.Component<I.M
 			this.onFilterChange('');
 			this.onValueAdd(message.objectId);
 
-			window.setTimeout(() =>  this.resize(), 50);
+			window.setTimeout(() => this.resize(), 50);
 		});
 	};
 	
diff --git a/src/ts/component/menu/dataview/relation/list.tsx b/src/ts/component/menu/dataview/relation/list.tsx
index 2803820aa3..9a13a7fc6f 100644
--- a/src/ts/component/menu/dataview/relation/list.tsx
+++ b/src/ts/component/menu/dataview/relation/list.tsx
@@ -153,7 +153,7 @@ const MenuRelationList = observer(class MenuRelationList extends React.Component
 							className="item add" 
 							onClick={this.onAdd} 
 							onMouseEnter={() => { this.props.setHover({ id: 'add' }); }} 
-							onMouseLeave={() =>  this.props.setHover()}
+							onMouseLeave={() => this.props.setHover()}
 						>
 							<Icon className="plus" />
 							<div className="name">{translate('menuDataviewRelationListAddRelation')}</div>
diff --git a/src/ts/component/menu/dataview/sort.tsx b/src/ts/component/menu/dataview/sort.tsx
index 41a06767b4..c5b52a0ecb 100644
--- a/src/ts/component/menu/dataview/sort.tsx
+++ b/src/ts/component/menu/dataview/sort.tsx
@@ -172,7 +172,7 @@ const MenuSort = observer(class MenuSort extends React.Component<I.Menu> {
 							className="item add" 
 							onClick={this.onAdd}
 							onMouseEnter={() => { this.props.setHover({ id: 'add' }); }} 
-							onMouseLeave={() =>  this.props.setHover()}
+							onMouseLeave={() => this.props.setHover()}
 						>
 							<Icon className="plus" />
 							<div className="name">{translate('menuDataviewSortNewSort')}</div>
diff --git a/src/ts/component/menu/dataview/view/list.tsx b/src/ts/component/menu/dataview/view/list.tsx
index 26af72f647..bbfc717f1d 100644
--- a/src/ts/component/menu/dataview/view/list.tsx
+++ b/src/ts/component/menu/dataview/view/list.tsx
@@ -146,7 +146,7 @@ const MenuViewList = observer(class MenuViewList extends React.Component<I.Menu>
 							className="item add" 
 							onClick={this.onAdd}
 							onMouseEnter={() => { this.props.setHover({ id: 'add' }); }} 
-							onMouseLeave={() =>  this.props.setHover()}
+							onMouseLeave={() => this.props.setHover()}
 						>
 							<Icon className="plus" />
 							<div className="name">{translate('menuDataviewViewListAddView')}</div>
diff --git a/src/ts/component/menu/index.tsx b/src/ts/component/menu/index.tsx
index 2b84bf4903..f6d6e72cb2 100644
--- a/src/ts/component/menu/index.tsx
+++ b/src/ts/component/menu/index.tsx
@@ -605,7 +605,7 @@ const Menu = observer(class Menu extends React.Component<I.Menu, State> {
 				});
 
 				window.clearTimeout(this.timeoutPoly);
-				this.timeoutPoly = window.setTimeout(() =>  this.poly.hide(), 500);
+				this.timeoutPoly = window.setTimeout(() => this.poly.hide(), 500);
 			};
 
 			// Arrow positioning
@@ -708,7 +708,7 @@ const Menu = observer(class Menu extends React.Component<I.Menu, State> {
 
 		if (refInput) {
 			if (refInput.isFocused && (this.ref.n < 0)) {
-				keyboard.shortcut('arrowleft, arrowright', e, () =>  ret = true);
+				keyboard.shortcut('arrowleft, arrowright', e, () => ret = true);
 
 				keyboard.shortcut('arrowdown', e, () => {
 					refInput.blur();
diff --git a/src/ts/component/menu/search/text.tsx b/src/ts/component/menu/search/text.tsx
index 93cd9fb845..4b20ee385c 100644
--- a/src/ts/component/menu/search/text.tsx
+++ b/src/ts/component/menu/search/text.tsx
@@ -49,9 +49,9 @@ class MenuSearchText extends React.Component<I.Menu> {
 				<div className="buttons">
 
 					<div id="switcher" className="switcher">
-						<Icon className="arrow left" onClick={() =>  this.onArrow(-1)} />
+						<Icon className="arrow left" onClick={() => this.onArrow(-1)} />
 						<div id="cnt" className="cnt" />
-						<Icon className="arrow right" onClick={() =>  this.onArrow(1)} />
+						<Icon className="arrow right" onClick={() => this.onArrow(1)} />
 					</div>
 
 					<div className="line" />
diff --git a/src/ts/component/menu/select.tsx b/src/ts/component/menu/select.tsx
index e349d5b78c..9a783c4731 100644
--- a/src/ts/component/menu/select.tsx
+++ b/src/ts/component/menu/select.tsx
@@ -191,7 +191,7 @@ const MenuSelect = observer(class MenuSelect extends React.Component<I.Menu> {
 		};
 
 		if (active && !active.isInitial) {
-			window.setTimeout(() =>  setActive(active, true), 15);
+			window.setTimeout(() => setActive(active, true), 15);
 		};
 
 		this.resize();
diff --git a/src/ts/component/page/auth/pinCheck.tsx b/src/ts/component/page/auth/pinCheck.tsx
index b802f9ac41..6360a2fabf 100644
--- a/src/ts/component/page/auth/pinCheck.tsx
+++ b/src/ts/component/page/auth/pinCheck.tsx
@@ -56,7 +56,7 @@ const PageAuthPinCheck = observer(class PageAuthPinCheck extends React.Component
 
 	rebind () {
 		this.unbind();
-		$(window).on('focus.pin', () =>  this.ref.focus());
+		$(window).on('focus.pin', () => this.ref.focus());
 	};
 
 	onError () {
diff --git a/src/ts/component/page/elements/head/controlButtons.tsx b/src/ts/component/page/elements/head/controlButtons.tsx
index 44d771cf5c..90a9aabb82 100644
--- a/src/ts/component/page/elements/head/controlButtons.tsx
+++ b/src/ts/component/page/elements/head/controlButtons.tsx
@@ -151,7 +151,7 @@ const ControlButtons = observer(class ControlButtons extends React.Component<Pro
 			onOpen: onCoverOpen,
 			onClose: () => {
 				window.clearTimeout(this.timeout);
-				this.timeout = window.setTimeout(() =>  onCoverClose(), Constant.delay.menu);
+				this.timeout = window.setTimeout(() => onCoverClose(), Constant.delay.menu);
 			},
 			data: {
 				options: options,
diff --git a/src/ts/component/page/elements/head/simple.tsx b/src/ts/component/page/elements/head/simple.tsx
index e70300e4aa..0a78458303 100644
--- a/src/ts/component/page/elements/head/simple.tsx
+++ b/src/ts/component/page/elements/head/simple.tsx
@@ -64,7 +64,7 @@ const HeadSimple = observer(class Controls extends React.Component<Props> {
 				onFocus={e =>  this.onFocus(e, item)}
 				onBlur={e =>  this.onBlur(e, item)}
 				onKeyDown={e =>  this.onKeyDown(e, item)}
-				onKeyUp={() =>  this.onKeyUp()}
+				onKeyUp={() => this.onKeyUp()}
 				onSelect={e =>  this.onSelectText(e, item)}
 				onCompositionStart={this.onCompositionStart}
 			/>
@@ -169,7 +169,7 @@ const HeadSimple = observer(class Controls extends React.Component<Props> {
 			focus.set('title', { from: 0, to: 0 });
 		};
 
-		window.setTimeout(() =>  focus.apply(), 10);
+		window.setTimeout(() => focus.apply(), 10);
 	};
 
 	onFocus (e: any, item: any) {
diff --git a/src/ts/component/page/main/graph.tsx b/src/ts/component/page/main/graph.tsx
index db5e863888..40cbfc32e0 100644
--- a/src/ts/component/page/main/graph.tsx
+++ b/src/ts/component/page/main/graph.tsx
@@ -74,7 +74,7 @@ const PageMainGraph = observer(class PageMainGraph extends React.Component<I.Pag
 
 		if (this.loading) {
 			window.clearTimeout(this.timeoutLoading);
-			this.timeoutLoading = window.setTimeout(() =>  this.setLoading(false), 100);
+			this.timeoutLoading = window.setTimeout(() => this.setLoading(false), 100);
 		};
 	};
 
@@ -167,7 +167,7 @@ const PageMainGraph = observer(class PageMainGraph extends React.Component<I.Pag
 			loader.show().css({ opacity: 1 });
 		} else {
 			loader.css({ opacity: 0 });
-			window.setTimeout(() =>  loader.hide(), 200);
+			window.setTimeout(() => loader.hide(), 200);
 		};
 	};
 
diff --git a/src/ts/component/page/main/history.tsx b/src/ts/component/page/main/history.tsx
index ab32c5b9b8..8fba348552 100644
--- a/src/ts/component/page/main/history.tsx
+++ b/src/ts/component/page/main/history.tsx
@@ -322,7 +322,7 @@ const PageMainHistory = observer(class PageMainHistory extends React.Component<I
 			children.css({ overflow: 'hidden', height: height });
 
 			window.setTimeout(() => { children.css({ height: 0 }); }, 15);
-			window.setTimeout(() =>  children.hide(), 215);
+			window.setTimeout(() => children.hide(), 215);
 		} else {
 			item.addClass('expanded');
 			children.show();
diff --git a/src/ts/component/page/main/navigation.tsx b/src/ts/component/page/main/navigation.tsx
index 99ff6e275c..1d498f7806 100644
--- a/src/ts/component/page/main/navigation.tsx
+++ b/src/ts/component/page/main/navigation.tsx
@@ -117,7 +117,7 @@ const PageMainNavigation = observer(class PageMainNavigation extends React.Compo
 				
 					<div className="buttons">
 						<Button text={translate('popupNavigationOpen')} className="c36" onClick={e => this.onConfirm(e, item)} />
-						{isPopup ? <Button text={translate('popupNavigationCancel')} className="c36" color="blank" onClick={() =>  popupStore.close('page')} /> : ''}
+						{isPopup ? <Button text={translate('popupNavigationCancel')} className="c36" color="blank" onClick={() => popupStore.close('page')} /> : ''}
 					</div>
 				</div>
 			);
diff --git a/src/ts/component/popup/page/settings/appearance.tsx b/src/ts/component/popup/page/settings/appearance.tsx
index 503ba9631c..e989886f3e 100644
--- a/src/ts/component/popup/page/settings/appearance.tsx
+++ b/src/ts/component/popup/page/settings/appearance.tsx
@@ -27,7 +27,7 @@ const PopupSettingsPageAppearance = observer(class PopupSettingsPageAppearance e
 						<div
 							key={i}
 							className={[ 'btn', (theme == item.id ? 'active' : ''), item.class ].join(' ')}
-							onClick={() =>  this.onTheme(item.id)}
+							onClick={() => this.onTheme(item.id)}
 						>
 							<div className="bg">
 								<Icon />
diff --git a/src/ts/component/popup/page/settings/data.tsx b/src/ts/component/popup/page/settings/data.tsx
index 27c6c18c15..80cbfe570c 100644
--- a/src/ts/component/popup/page/settings/data.tsx
+++ b/src/ts/component/popup/page/settings/data.tsx
@@ -56,7 +56,7 @@ const PopupSettingsPageDataManagement = observer(class PopupSettingsPageStorageI
 
                 <Title className="sub" text={translate('popupSettingsDataManagementDeleteTitle')} />
                 <Label className="description" text={translate('popupSettingsDataManagementDeleteText')} />
-                <Button className="c36" onClick={() =>  onPage('delete')} color="red" text={translate('popupSettingsDataManagementDeleteButton')} />
+                <Button className="c36" onClick={() => onPage('delete')} color="red" text={translate('popupSettingsDataManagementDeleteButton')} />
 
             </React.Fragment>
         );
diff --git a/src/ts/component/popup/page/settings/head.tsx b/src/ts/component/popup/page/settings/head.tsx
index 45dccdf681..d840f8624d 100644
--- a/src/ts/component/popup/page/settings/head.tsx
+++ b/src/ts/component/popup/page/settings/head.tsx
@@ -16,7 +16,7 @@ class PopupSettingsHead extends React.Component<Props> {
 		return (
 			<div className="head">
 				<div className="inner">
-					<div className="element" onClick={() =>  onPage(returnTo || prevPage)}>
+					<div className="element" onClick={() => onPage(returnTo || prevPage)}>
 						<Icon className="back" />
 						{name}
 					</div>
diff --git a/src/ts/component/popup/page/settings/import/index.tsx b/src/ts/component/popup/page/settings/import/index.tsx
index 367cf4db13..b0fc0d420f 100644
--- a/src/ts/component/popup/page/settings/import/index.tsx
+++ b/src/ts/component/popup/page/settings/import/index.tsx
@@ -17,7 +17,7 @@ const PopupSettingsPageImportIndex = observer(class PopupSettingsPageImportIndex
 
 		const Item = (item: any) => {
 			return (
-				<div className={[ 'item', item.id ].join(' ')} onClick={() =>  this.onClick(item.id)} >
+				<div className={[ 'item', item.id ].join(' ')} onClick={() => this.onClick(item.id)} >
 					<Icon className={`import-${item.id}`} />
 					<div className="name">{item.name}</div>
 				</div>
diff --git a/src/ts/component/popup/page/settings/import/notion.tsx b/src/ts/component/popup/page/settings/import/notion.tsx
index 81a5b7093d..18bdfddc78 100644
--- a/src/ts/component/popup/page/settings/import/notion.tsx
+++ b/src/ts/component/popup/page/settings/import/notion.tsx
@@ -50,7 +50,7 @@ class PopupSettingsPageImportNotion extends React.Component<I.PopupSettings, Sta
 
 				<div className="helpWrapper flex">
 					<Title text={translate('popupSettingsImportNotionHowTo')} />
-					<div className="btn" onClick={() =>  onPage('importNotionHelp')}>
+					<div className="btn" onClick={() => onPage('importNotionHelp')}>
 						<Icon className="help" />{translate('popupSettingsImportNotionStepByStepGuide')}
 					</div>
 				</div>
diff --git a/src/ts/component/popup/search.tsx b/src/ts/component/popup/search.tsx
index c73cec60d3..acaa8d5be8 100644
--- a/src/ts/component/popup/search.tsx
+++ b/src/ts/component/popup/search.tsx
@@ -569,7 +569,7 @@ const PopupSearch = observer(class PopupSearch extends React.Component<I.Popup,
 
 				case 'relation': {
 					$('#button-header-relation').trigger('click');
-					window.setTimeout(() =>  $('#menuBlockRelationView #item-add').trigger('click'), Constant.delay.menu * 2);
+					window.setTimeout(() => $('#menuBlockRelationView #item-add').trigger('click'), Constant.delay.menu * 2);
 					break;
 				};
 
diff --git a/src/ts/component/popup/settings.tsx b/src/ts/component/popup/settings.tsx
index 50a03b6dab..28271ba393 100644
--- a/src/ts/component/popup/settings.tsx
+++ b/src/ts/component/popup/settings.tsx
@@ -223,7 +223,7 @@ const PopupSettings = observer(class PopupSettings extends React.Component<I.Pop
 		const win = $(window);
 
 		this.unbind();
-		win.on('resize.settings', () =>  this.resize());
+		win.on('resize.settings', () => this.resize());
 		win.on('keydown.settings', e => this.onKeyDown(e));
 		win.on('mousedown.settings', e =>  this.onMouseDown(e));
 	};
diff --git a/src/ts/component/preview/index.tsx b/src/ts/component/preview/index.tsx
index d844a35d96..a2f9150b01 100644
--- a/src/ts/component/preview/index.tsx
+++ b/src/ts/component/preview/index.tsx
@@ -142,7 +142,7 @@ const PreviewComponent = observer(class PreviewComponent extends React.Component
 		menuStore.open('blockLink', {
 			rect: rect ? { ...rect, height: 0, y: rect.y + win.scrollTop() } : null, 
 			horizontal: I.MenuDirection.Center,
-			onOpen: () =>  Preview.previewHide(true),
+			onOpen: () => Preview.previewHide(true),
 			data: {
 				filter: mark ? mark.param : '',
 				type: mark ? mark.type : null,
diff --git a/src/ts/component/sidebar/index.tsx b/src/ts/component/sidebar/index.tsx
index a123829b30..38055e0bc6 100644
--- a/src/ts/component/sidebar/index.tsx
+++ b/src/ts/component/sidebar/index.tsx
@@ -234,7 +234,7 @@ const Sidebar = observer(class Sidebar extends React.Component<Props> {
 		$('body').removeClass('rowResize colResize');
 		$(window).off('mousemove.sidebar mouseup.sidebar');
 
-		window.setTimeout(() =>  this.movedX = false, 15);
+		window.setTimeout(() => this.movedX = false, 15);
 	};
 
 	onHandleClick () {
diff --git a/src/ts/component/util/frame.tsx b/src/ts/component/util/frame.tsx
index ddf01283d6..ceb66e0c4f 100644
--- a/src/ts/component/util/frame.tsx
+++ b/src/ts/component/util/frame.tsx
@@ -38,7 +38,7 @@ class Frame extends React.Component<Props> {
 		this.resize();
 		this.unbind();
 		
-		$(window).on('resize.frame', () =>  this.resize());
+		$(window).on('resize.frame', () => this.resize());
 	};
 	
 	componentWillUnmount () {
diff --git a/src/ts/component/util/media/audio.tsx b/src/ts/component/util/media/audio.tsx
index 05cb13dbee..cf504f6da7 100644
--- a/src/ts/component/util/media/audio.tsx
+++ b/src/ts/component/util/media/audio.tsx
@@ -100,9 +100,9 @@ class MediaAudio extends React.Component<Props> {
         this.audioNode = el.get(0) as HTMLAudioElement;
 
         if (el.length) {
-            el.on('canplay timeupdate', () =>  this.onTimeUpdate());
-            el.on('play', () =>  this.onPlay());
-            el.on('ended pause', () =>  this.onPause());
+            el.on('canplay timeupdate', () => this.onTimeUpdate());
+            el.on('play', () => this.onPlay());
+            el.on('ended pause', () => this.onPause());
         };
     };
 
diff --git a/src/ts/component/util/media/video.tsx b/src/ts/component/util/media/video.tsx
index 01d158a903..5cdc06abc5 100644
--- a/src/ts/component/util/media/video.tsx
+++ b/src/ts/component/util/media/video.tsx
@@ -46,9 +46,9 @@ class MediaVideo extends React.Component<Props> {
         const node = $(this.node);
         const video = node.find('video');
 
-        video.on('play', () =>  this.onPlay());
-        video.on('pause', () =>  this.onPause());
-        video.on('ended', () =>  this.onEnded());
+        video.on('play', () => this.onPlay());
+        video.on('pause', () => this.onPause());
+        video.on('ended', () => this.onEnded());
     };
 
     unbind () {
diff --git a/src/ts/component/util/pager.tsx b/src/ts/component/util/pager.tsx
index aa32642661..80530b1b68 100644
--- a/src/ts/component/util/pager.tsx
+++ b/src/ts/component/util/pager.tsx
@@ -37,7 +37,7 @@ class Pager extends React.Component<Props> {
 		};
 
 		const Item = (item) => (
-			<div className={'pageItem ' + (item.id == page ? 'active' : '')} onClick={() =>  this.onChange(item.id)}>
+			<div className={'pageItem ' + (item.id == page ? 'active' : '')} onClick={() => this.onChange(item.id)}>
 				{item.id}
 			</div>
 		);
@@ -79,15 +79,15 @@ class Pager extends React.Component<Props> {
 		if (items.length > 1) {
 			return (
 				<div className={[ 'pager', (isShort ? 'isShort' : '') ].join(' ')}>
-					{isShort ? <Icon className={[ 'arrow', 'end', 'left', (page == 1 ? 'disabled' : '') ].join(' ')} onClick={() =>  this.onChange(1)} /> : ''}
-					<Icon className={[ 'arrow', 'left', (page == 1 ? 'disabled' : '') ].join(' ')} onClick={() =>  this.onChange(page - 1)} />
+					{isShort ? <Icon className={[ 'arrow', 'end', 'left', (page == 1 ? 'disabled' : '') ].join(' ')} onClick={() => this.onChange(1)} /> : ''}
+					<Icon className={[ 'arrow', 'left', (page == 1 ? 'disabled' : '') ].join(' ')} onClick={() => this.onChange(page - 1)} />
 					
 					{startPage}
 					{list}
 					{endPage}
 
-					<Icon className={[ 'arrow', 'right', (page == pages ? 'disabled' : '') ].join(' ')} onClick={() =>  this.onChange(page + 1)} />
-					{isShort ? <Icon className={[ 'arrow', 'end', 'right', (page == pages ? 'disabled' : '') ].join(' ')} onClick={() =>  this.onChange(pages)} /> : ''}
+					<Icon className={[ 'arrow', 'right', (page == pages ? 'disabled' : '') ].join(' ')} onClick={() => this.onChange(page + 1)} />
+					{isShort ? <Icon className={[ 'arrow', 'end', 'right', (page == pages ? 'disabled' : '') ].join(' ')} onClick={() => this.onChange(pages)} /> : ''}
 				</div>
 			);
 		} else {
diff --git a/src/ts/component/widget/index.tsx b/src/ts/component/widget/index.tsx
index 0afaf176fc..617f6ffc07 100644
--- a/src/ts/component/widget/index.tsx
+++ b/src/ts/component/widget/index.tsx
@@ -422,8 +422,8 @@ const WidgetIndex = observer(class WidgetIndex extends React.Component<Props> {
 			subIds: Constant.menuIds.widget,
 			vertical: I.MenuDirection.Center,
 			horizontal: I.MenuDirection.Right,
-			onOpen: () =>  node.addClass('active'),
-			onClose: () =>  node.removeClass('active'),
+			onOpen: () => node.addClass('active'),
+			onClose: () => node.removeClass('active'),
 			data: {
 				...block.content,
 				target: object,
diff --git a/src/ts/component/widget/list/item.tsx b/src/ts/component/widget/list/item.tsx
index a129b1deaa..fc33cfa137 100644
--- a/src/ts/component/widget/list/item.tsx
+++ b/src/ts/component/widget/list/item.tsx
@@ -178,8 +178,8 @@ const WidgetListItem = observer(class WidgetListItem extends React.Component<Pro
 		const menuParam: any = {
 			className: 'fixed',
 			classNameWrap: 'fromSidebar',
-			onOpen: () =>  node.addClass('active'),
-			onClose: () =>  node.removeClass('active'),
+			onOpen: () => node.addClass('active'),
+			onClose: () => node.removeClass('active'),
 			data: {
 				route: 'Widget',
 				objectIds: [ id ],
diff --git a/src/ts/component/widget/tree/item.tsx b/src/ts/component/widget/tree/item.tsx
index 82e2b014ad..b3e56e973f 100644
--- a/src/ts/component/widget/tree/item.tsx
+++ b/src/ts/component/widget/tree/item.tsx
@@ -153,8 +153,8 @@ const TreeItem = observer(class Node extends React.Component<Props> {
 		const menuParam: any = {
 			className: 'fixed',
 			classNameWrap: 'fromSidebar',
-			onOpen: () =>  node.addClass('active'),
-			onClose: () =>  node.removeClass('active'),
+			onOpen: () => node.addClass('active'),
+			onClose: () => node.removeClass('active'),
 			data: {
 				route: 'Widget',
 				objectIds: [ id ],
diff --git a/src/ts/lib/focus.ts b/src/ts/lib/focus.ts
index aaa5b6c887..c3da8043ba 100644
--- a/src/ts/lib/focus.ts
+++ b/src/ts/lib/focus.ts
@@ -82,7 +82,7 @@ class Focus {
 		el.focus({ preventScroll: true });
 
 		if (node.hasClass('input')) {
-			window.setTimeout(() =>  (el as HTMLInputElement).setSelectionRange(range.from, range.to));
+			window.setTimeout(() => (el as HTMLInputElement).setSelectionRange(range.from, range.to));
 		} else
 		if (node.hasClass('editable')) {
 			keyboard.setFocus(true);
diff --git a/src/ts/lib/preview.ts b/src/ts/lib/preview.ts
index c4f4818981..b3dc70c225 100644
--- a/src/ts/lib/preview.ts
+++ b/src/ts/lib/preview.ts
@@ -120,7 +120,7 @@ class Preview {
 			node.css({ left: x, top: y }).addClass('show');
 
 			window.clearTimeout(this.timeout.delay);
-			this.timeout.delay = window.setTimeout(() =>  this.delayTooltip = delay, 500);
+			this.timeout.delay = window.setTimeout(() => this.delayTooltip = delay, 500);
 			this.delayTooltip = 100;
 		}, this.delayTooltip);
 	};
@@ -232,7 +232,7 @@ class Preview {
 	toastShow (param: I.Toast) {
 		const setTimeout = () => {
 			window.clearTimeout(this.timeout.toast);
-			this.timeout.toast = window.setTimeout(() =>  this.toastHide(false), Constant.delay.toast);
+			this.timeout.toast = window.setTimeout(() => this.toastHide(false), Constant.delay.toast);
 		};
 
 		commonStore.toastSet(param);
@@ -241,8 +241,8 @@ class Preview {
 
 		setTimeout();
 		obj.off('mouseenter.toast mouseleave.toast');
-		obj.on('mouseenter.toast', () =>  window.clearTimeout(this.timeout.toast));
-		obj.on('mouseleave.toast', () =>  setTimeout());
+		obj.on('mouseenter.toast', () => window.clearTimeout(this.timeout.toast));
+		obj.on('mouseleave.toast', () => setTimeout());
 	};
 
 	/**
diff --git a/src/ts/lib/util/object.ts b/src/ts/lib/util/object.ts
index be845685e2..c928cd0790 100644
--- a/src/ts/lib/util/object.ts
+++ b/src/ts/lib/util/object.ts
@@ -208,7 +208,7 @@ class UtilObject {
 
 		keyboard.setSource(null);
 		historyPopup.pushMatch(param.data.matchPopup);
-		window.setTimeout(() =>  popupStore.open('page', param), Constant.delay.popup);
+		window.setTimeout(() => popupStore.open('page', param), Constant.delay.popup);
 	};
 
 	create (rootId: string, targetId: string, details: any, position: I.BlockPosition, templateId: string, fields: any, flags: I.ObjectFlag[], callBack?: (message: any) => void) {