Fix metadata

Author: InkoHX

guide/.vuepress/config.js

@@ -7,12 +7,15 @@ module.exports = {
     ['meta', { name: 'author', content: 'VectorNetworkProject' }],
     ['meta', { name: 'twitter:card', content: 'summary_large_image' }],
     ['meta', { name: 'twitter:url', content: 'https://guide.vector-network.tk' }],
-    ['meta', { name: 'twitter:image', content: 'https://raw.githubusercontent.com/VectorNetworkProject/Website/master/static/home/Network.png' }],
+    ['meta', { name: 'twitter:image', content: '/icon.png' }],
     ['meta', { name: 'twitter:site', content: '@Vector_Network_' }],
     ['meta', { name: 'twitter:creator', content: '@InkoHX' }],
     ['meta', { name: 'msapplication-TileColor', content: '#bcbcbc' }],
     ['meta', { name: 'theme-color', content: '#bcbcbc' }],
-    ['meta', { property: 'og:image', content: 'https://raw.githubusercontent.com/VectorNetworkProject/Website/master/static/home/Network.png' }],
+    ['meta', {property: 'og:title', content: 'VectorNetwork - Guide'}],
+    ['meta', {property: 'og:site_name', content: 'VectorNetwork - Guide'}],
+    ['meta', {property: 'og:url', content: 'https://guide.vector-network.tk'}],
+    ['meta', { property: 'og:image', content: '/icon.png' }],
     ['meta', { property: 'og:type', content: 'site' }],
     ['link', { rel: 'icon', href: '/icon.png' }]
   ],