update: resolve cookie and ssr render problem

docs/.vuepress/theme/components/Navbar.vue

@@ -189,8 +189,8 @@ export default {
       forbidScroll(this.showMobilePanel)
     },
     switchVersion () {
-      document.cookie = '__new_version=;expires=-1'
-      location.replace(location.origin)
+      document.cookie = encodeURIComponent('__new_version') + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/"
+      location.replace(location.origin + '?v=' + Date.now())
     }
   },
 

docs/.vuepress/theme/components/SiderBarBottom.vue

@@ -83,7 +83,7 @@
 
 		computed: {
 			currentConfig() {
-				return this.siderbarConfig[this.customNavBarKeys[this.navConfig.userNavIndex]];
+				return this.siderbarConfig[this.customNavBarKeys[this.navConfig.userNavIndex]] || {};
 			},
 			currentQQGroup() {
 				return [...(this.currentConfig.qq_group || [])].reverse();

docs/.vuepress/theme/layouts/Layout.vue

@@ -15,18 +15,20 @@
       @click="toggleSidebar(false)"
     />
 
-    <Sidebar
-      :items="sidebarItems"
-      @toggle-sidebar="toggleSidebar"
-    >
-      <template #top>
-        <slot name="sidebar-top" />
-      </template>
-      <template #bottom>
-        <slot name="sidebar-bottom" />
-        <SiderBarBottom />
-      </template>
-    </Sidebar>
+    <ClientOnly>
+      <Sidebar
+        :items="sidebarItems"
+        @toggle-sidebar="toggleSidebar"
+      >
+        <template #top>
+          <slot name="sidebar-top" />
+        </template>
+        <template #bottom>
+          <slot name="sidebar-bottom" />
+          <SiderBarBottom />
+        </template>
+      </Sidebar>
+    </ClientOnly>
 
     <Home v-if="$page.frontmatter.home" />