完善HTML报表预览标题

ureport2-console/src/main/java/com/bstek/ureport/console/html/HtmlPreviewServletAction.java

@@ -167,7 +167,7 @@ public class HtmlPreviewServletAction extends RenderPageServletAction {
 		}else{
 			title=decode(title);
 		}
-		return title+"--UReport";
+		return title+"-ureport";
 	}
 	
 	private String convertJson(Collection<ChartData> data){