From b877d278424f7f60737644d08560371c63e14888 Mon Sep 17 00:00:00 2001
From: xmcp <xiaoyuanan2000@sina.com>
Date: Fri, 10 Jan 2020 13:15:42 +0800
Subject: [PATCH] fix sidebar_stack pop to []

---
 src/App.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/App.js b/src/App.js
index d2863be..291fa3a 100644
--- a/src/App.js
+++ b/src/App.js
@@ -56,6 +56,7 @@ class App extends Component {
                     ns.splice(1,1);
                 ns=ns.concat([[title,content]]);
             } else if(mode==='pop') {
+                if(ns.length===1) return;
                 ns.pop();
             } else if(mode==='replace') {
                 ns.pop();