fixed bug #5

public/js/app/notebook.js

@@ -767,6 +767,9 @@ Notebook.deleteNotebook = function(target) {
 			
 			// 改变nav
 			Notebook.changeNav();
+
+			//显示默认笔记本keep  #5
+			$("#notebookList #548125adf4e872105c000007_span").trigger("click");
 		} else {
 			alert(ret.Msg);
 		}