fix[Guide]: fixed guide demo bug

src/layout/components/Navbar.vue

@@ -1,19 +1,19 @@
 <template>
   <div class="navbar">
-    <hamburger :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar" />
+    <hamburger id="hamburger-container" :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar" />
 
-    <breadcrumb class="breadcrumb-container" />
+    <breadcrumb id="breadcrumb-container" class="breadcrumb-container" />
 
     <div class="right-menu">
       <template v-if="device!=='mobile'">
-        <search class="right-menu-item" />
+        <search class="right-menu-item header-search" />
 
         <error-log class="errLog-container right-menu-item hover-effect" />
 
-        <screenfull class="right-menu-item hover-effect" />
+        <screenfull id="screenfull" class="right-menu-item hover-effect" />
 
         <el-tooltip :content="$t('navbar.size')" effect="dark" placement="bottom">
-          <size-select class="right-menu-item hover-effect" />
+          <size-select id="size-select" class="right-menu-item hover-effect" />
         </el-tooltip>
 
         <lang-select class="right-menu-item hover-effect" />

src/layout/components/TagsView/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="tags-view-container">
+  <div id="tags-view-container" class="tags-view-container">
     <scroll-pane ref="scrollPane" class="tags-view-wrapper">
       <router-link
         v-for="tag in visitedViews"

src/views/guide/defineSteps.js

@@ -1,6 +1,6 @@
 const steps = [
   {
-    element: '.hamburger-container',
+    element: '#hamburger-container',
     popover: {
       title: 'Hamburger',
       description: 'Open && Close sidebar',
@@ -8,7 +8,7 @@ const steps = [
     }
   },
   {
-    element: '.breadcrumb-container',
+    element: '#breadcrumb-container',
     popover: {
       title: 'Breadcrumb',
       description: 'Indicate the current page location',
@@ -16,31 +16,31 @@ const steps = [
     }
   },
   {
-    element: '.screenfull',
+    element: '#header-search',
+    popover: {
+      title: 'Page Search',
+      description: 'Page search, quick navigation',
+      position: 'left'
+    }
+  },
+  {
+    element: '#screenfull',
     popover: {
       title: 'Screenfull',
-      description: 'Bring the page into fullscreen',
+      description: 'Set the page into fullscreen',
       position: 'left'
     }
   },
   {
-    element: '.international-icon',
+    element: '#size-select',
     popover: {
-      title: 'Switch language',
+      title: 'Switch Size',
-      description: 'Switch the system language',
+      description: 'Switch the system size',
       position: 'left'
     }
   },
   {
-    element: '.theme-switch',
+    element: '#tags-view-container',
-    popover: {
-      title: 'Theme Switch',
-      description: 'Custom switch system theme',
-      position: 'left'
-    }
-  },
-  {
-    element: '.tags-view-container',
     popover: {
       title: 'Tags view',
       description: 'The history of the page you visited',