fix: 固定页面尺寸背景, 超出后不衍生背景

@@ -2295,14 +2295,14 @@ EditorUi.prototype.initCanvas = function()
 		var page = this.graph.getPageSize();
 		
 		// TODO thingsKit 固定页面尺寸 超出边界后隐藏
-		// return new mxRectangle(this.scale * (this.translate.x),
-		// this.scale * (this.translate.y),
-		// this.scale * page.width,
-		// this.scale * page.height)
-		return new mxRectangle(this.scale * (this.translate.x + layout.x * page.width),
-				this.scale * (this.translate.y + layout.y * page.height),
-				this.scale * layout.width * page.width,
-				this.scale * layout.height * page.height);
+		return new mxRectangle(this.scale * (this.translate.x),
+		this.scale * (this.translate.y),
+		this.scale * page.width,
+		this.scale * page.height)
+		// return new mxRectangle(this.scale * (this.translate.x + layout.x * page.width),
+		// 		this.scale * (this.translate.y + layout.y * page.height),
+		// 		this.scale * layout.width * page.width,
+		// 		this.scale * layout.height * page.height);
 	};
 
 	graph.getPreferredPageSize = function(bounds, width, height)