Merge pull request #184 from chfree/patch-2

带回车的span内容，会在前面自动生成一个空格

Author: reco_luan

packages/vuepress-theme-reco/components/PageInfo.vue

@@ -25,9 +25,7 @@
         :key="subIndex"
         class="tag-item"
         :class="{ 'active': currentTag == subItem }"
-        @click="goTags(subItem)">
-        {{subItem}}
-      </span>
+        @click="goTags(subItem)">{{subItem}}</span>
     </i>
   </div>
 </template>