diff --git a/website/.vuepress/config.js b/website/.vuepress/config.js
index 4996ec52..e902a155 100644
--- a/website/.vuepress/config.js
+++ b/website/.vuepress/config.js
@@ -5,9 +5,11 @@ module.exports = {
     // root : "./hell-algorithm",
     theme: "reco",
     themeConfig: {
+        logo: '/logo.jpeg',
         sidebar: "auto",
         searchPlaceholder: "搜索：KMP",
         nav: [
+            {text: '动态规划', link: '/1.2.动态规划系列' },
             {text: 'GitHub', link: 'https://github.com/geekxh/hello-algorithm', icon: 'reco-github'}
         ],
         head:[
@@ -21,6 +23,8 @@ module.exports = {
         authorAvatar: '/code.png',
         startYear: '2019',
         valineConfig: {
+            visitor:false,
+            enable: false,
             placeholder: "留下你的问题，或者你想要的资源...",
             avatar: "wavatar",
             requiredFields: ['nick'],
diff --git "a/website/1.0.\346\225\260\347\273\204\347\263\273\345\210\227/002/1.png" "b/website/1.0.\346\225\260\347\273\204\347\263\273\345\210\227/002/1.png"
index 356397ea..f4518ba0 100644
Binary files "a/website/1.0.\346\225\260\347\273\204\347\263\273\345\210\227/002/1.png" and "b/website/1.0.\346\225\260\347\273\204\347\263\273\345\210\227/002/1.png" differ