diff --git a/src/assets/logo.png b/src/assets/logo.png
deleted file mode 100644
index f3d2503..0000000
Binary files a/src/assets/logo.png and /dev/null differ
diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
deleted file mode 100644
index 879051a..0000000
--- a/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,58 +0,0 @@
-<template>
-  <div class="hello">
-    <h1>{{ msg }}</h1>
-    <p>
-      For a guide and recipes on how to configure / customize this project,<br>
-      check out the
-      <a href="https://cli.vuejs.org" target="_blank" rel="noopener">vue-cli documentation</a>.
-    </p>
-    <h3>Installed CLI Plugins</h3>
-    <ul>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-babel" target="_blank" rel="noopener">babel</a></li>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-eslint" target="_blank" rel="noopener">eslint</a></li>
-    </ul>
-    <h3>Essential Links</h3>
-    <ul>
-      <li><a href="https://vuejs.org" target="_blank" rel="noopener">Core Docs</a></li>
-      <li><a href="https://forum.vuejs.org" target="_blank" rel="noopener">Forum</a></li>
-      <li><a href="https://chat.vuejs.org" target="_blank" rel="noopener">Community Chat</a></li>
-      <li><a href="https://twitter.com/vuejs" target="_blank" rel="noopener">Twitter</a></li>
-      <li><a href="https://news.vuejs.org" target="_blank" rel="noopener">News</a></li>
-    </ul>
-    <h3>Ecosystem</h3>
-    <ul>
-      <li><a href="https://router.vuejs.org" target="_blank" rel="noopener">vue-router</a></li>
-      <li><a href="https://vuex.vuejs.org" target="_blank" rel="noopener">vuex</a></li>
-      <li><a href="https://github.com/vuejs/vue-devtools#vue-devtools" target="_blank" rel="noopener">vue-devtools</a></li>
-      <li><a href="https://vue-loader.vuejs.org" target="_blank" rel="noopener">vue-loader</a></li>
-      <li><a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">awesome-vue</a></li>
-    </ul>
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'HelloWorld',
-  props: {
-    msg: String
-  }
-}
-</script>
-
-<!-- Add "scoped" attribute to limit CSS to this component only -->
-<style scoped>
-h3 {
-  margin: 40px 0 0;
-}
-ul {
-  list-style-type: none;
-  padding: 0;
-}
-li {
-  display: inline-block;
-  margin: 0 10px;
-}
-a {
-  color: #42b983;
-}
-</style>
diff --git a/bak/src/components/Kolotoc.vue b/src/components/Kolotoc.vue
similarity index 88%
rename from bak/src/components/Kolotoc.vue
rename to src/components/Kolotoc.vue
index 33c3559..e3d7951 100644
--- a/bak/src/components/Kolotoc.vue
+++ b/src/components/Kolotoc.vue
@@ -2,7 +2,7 @@
   <div>
     <button v-on:click="index -= 1">&lt;</button>
     <button v-on:click="index += 1">&gt;</button>
-    <div>
+    <div v-if="images.length > 0">
       {{ images[index].src }}<br>
       {{ images[index].title }}
     </div>
@@ -13,15 +13,12 @@
 <script>
 export default {
   props: {
-      images: {default: () => [{src: "", title: ""}]}
+      images: {default: () => []}
   },
   data: function() {
     return {
-      index: 0
+      index: 0,
     }
-  },
-  methods: {
-
   },
   watch: {
     index: function(value) {