修正了select引用传错的问题

src/core/minder.select.js

@@ -25,8 +25,9 @@ kity.extendClass( Minder, function () {
             return this.getSelectedNodes()[ 0 ];
         },
         removeAllSelectedNodes: function () {
+            var me = this;
             Utils.each( this.getSelectedNodes(), function ( i, n ) {
-                unhighlightNode( this, n );
+                unhighlightNode( me, n );
             } );
             this._selectedNodes = [];
         },
@@ -35,7 +36,7 @@ kity.extendClass( Minder, function () {
             var me = this;
             utils.each( utils.isArray( nodes ) ? nodes : [ nodes ], function ( i, n ) {
                 me._selectedNodes.push( n );
-                highlightNode( this, n );
+                highlightNode( me, n );
             } );
             return this;
         },

src/module/layout.default.js

@@ -256,7 +256,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
 			node.setData( "branchheight", branchheight );
 		}
 		var siblings = parent.getData( appendside + "List" ) || parent.getChildren();
-		var getActualHeight = function ( node, appendside ) {
+		var getChildHeight = function ( node, appendside ) {
 			var sum = 0;
 			var children = node.getData( appendside + "List" ) || node.getChildren();
 			for ( var i = 0; i < children.length; i++ ) {
@@ -272,8 +272,8 @@ KityMinder.registerModule( "LayoutDefault", function () {
 			var prt = parent;
 			do {
 				var minH = prt.getRenderContainer().getHeight() + marginTop + marginBottom;
-				var actualH = getActualHeight( prt, appendside );
-				var branchH = ( minH > actualH ? minH : actualH );
+				var childH = getChildHeight( prt, appendside );
+				var branchH = ( minH > childH ? minH : childH );
 
 				if ( prt.getParent() ) {
 					prt.setData( "branchheight", branchH );

src/module/layout.js

@@ -26,7 +26,6 @@ KityMinder.registerModule( "LayoutModule", function () {
 			base: Command,
 			execute: function ( km, node ) {
 				var parent = km.getSelectedNode();
-
 				return km.appendChildNode( parent, node );
 			}
 		};