Merge pull request #77 from wbxl2000/sourcecode

feat: add random miao~ in 404 page

docs/.vuepress/theme/layouts/404.vue

@@ -2,13 +2,36 @@
   <div class="theme-container">
     <div class="theme-default-content">
       <h1>404</h1>
-      <blockquote>{{ getMsg() }}</blockquote>
+      <blockquote>
+        {{ getMsg() }}
+        <el-row :gutter="20">
+          <el-col :xs="24" :sm="12">
+            <el-image :src="imgSrc" class="image-container">
+              <div slot="placeholder" class="image-slot">
+                <img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/assets/img/loading.gif"
+                  style="width: 100%;" />
+              </div>
+              <div slot="error" class="image-slot">
+                <img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/chunzhu.jpg"
+                  style="width: 100%;" />
+              </div>
+            </el-image>
+          </el-col>
+        </el-row>
+      </blockquote>
       <router-link to="/">Take me home.</router-link>
     </div>
   </div>
 </template>
 
 <script>
+function getImgSource() {
+  return (
+    "https://api.thecatapi.com/v1/images/search?format=src&t=" +
+    new Date().getTime()
+  );
+}
+
 const msgs = [
   `There's nothing here.`,
   `How did we get here?`,
@@ -18,9 +41,38 @@ const msgs = [
 
 export default {
   methods: {
-    getMsg () {
+    getMsg() {
       return msgs[Math.floor(Math.random() * msgs.length)]
     }
+  },
+  data() {
+    return {
+      imgSrc: getImgSource()
+    };
+  },
+  watch: {
+    $route(to) {
+      this.imgSrc = getImgSource();
+    }
   }
 }
 </script>
+
+<style lang="stylus">
+@require '../styles/wrapper.styl'
+
+.image-slot
+  width 100%
+  display block
+
+.image-container
+  margin-top 20px
+
+@media (max-width: $MQMobile)
+  .copyright-text 
+    font-size 13px
+  .el-card__header
+    padding 8px 10px
+    font-size 13px
+
+</style>