diff --git a/aio/content/marketing/docs.md b/aio/content/marketing/docs.md
index 5a00d7a79d..07314ef741 100644
--- a/aio/content/marketing/docs.md
+++ b/aio/content/marketing/docs.md
@@ -7,38 +7,31 @@ Angular is a platform that makes it easy to build applications with the web. Ang
 Angular 是一个开发平台。它能帮你更轻松的构建 Web 应用。Angular 集声明式模板、依赖注入、端到端工具和一些最佳实践于一身，为你解决开发方面的各种挑战。Angular 为开发者提升构建 Web、手机或桌面应用的能力。
 
 <div class="card-container">
-
   <a href="generated/live-examples/toh-pt1/stackblitz.html" target="_blank" class="docs-card"
     title="Experience Angular in a live coding environment">
-
       <section>Get a Glimpse of Angular</section>
-
+      <section>Angular 走马观花</section>
       <p>A quick look at an Angular "hello world" application.</p>
-
+      <p>快速体验 Angular 的 "hello world" 应用。</p>
       <p class="card-footer">Angular in Action</p>
-
+      <p class="card-footer">体验 Angular</p>
   </a>
-
   <a href="guide/quickstart" class="docs-card" title="Angular Quickstart">
-
       <section>Get Going with Angular</section>
-
+      <section>开始使用 Angular</section>
       <p>Get going on your own environment with the Quickstart.</p>
-
+      <p>跟随"快速上手"构建你的开发环境</p>
       <p class="card-footer">Quickstart</p>
-
+      <p class="card-footer">快速上手</p>
   </a>
-
   <a href="guide/architecture" class="docs-card" title="Angular Architecture">
-
       <section>Fundamentals</section>
-
+      <section>基本原理</section>
       <p>Learn Angular application fundamentals, starting with an architecture overview.</p>
-
+      <p>学习 Angular 应用的基本原理。<br/>从架构概览开始。</p>
       <p class="card-footer">Architecture</p>
-
+      <p class="card-footer">架构</p>
   </a>
-
 </div>
 
 ## Assumptions
@@ -56,8 +49,8 @@ Most Angular code can be written with just the latest JavaScript,
 using [types](https://www.typescriptlang.org/docs/handbook/classes.html "TypeScript Types") for dependency injection,
 and using [decorators](https://www.typescriptlang.org/docs/handbook/decorators.html "Decorators") for metadata.
 
-本文档假设你已经熟悉了[JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript/A_re-introduction_to_JavaScript "学习 JavaScript")和来自[最新标准](https://babeljs.io/learn-es2015/ "Latest JavaScript standards")的一些知识，比如 [类](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes "ES2015 类") 和 [模块](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import "ES2015 模块")。
-下列代码范例都是用最新版本的JavaScript写的，利用[类型](https://www.typescriptlang.org/docs/handbook/classes.html "TypeScript 类型")实现依赖注入，并使用[装饰器](https://www.typescriptlang.org/docs/handbook/decorators.html "装饰器")来提供元数据。
+本文档假设你已经熟悉了 [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript/A_re-introduction_to_JavaScript "Learn JavaScript") 和来自 [最新标准](https://babeljs.io/learn-es2015/ "Latest JavaScript standards") 的一些知识，比如  [类](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes "ES2015 Classes") 和 [模块](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import "ES2015 Modules")。
+下列代码范例都是用最新版本的JavaScript写的，利用 [类型](https://www.typescriptlang.org/docs/handbook/classes.html "TypeScript Types") 实现依赖注入，并使用[装饰器](https://www.typescriptlang.org/docs/handbook/decorators.html "Decorators")来提供元数据。
 
 ## Feedback
 
diff --git a/aio/content/navigation.json b/aio/content/navigation.json
index e95d8bf6a1..cf1f2ea4d4 100644
--- a/aio/content/navigation.json
+++ b/aio/content/navigation.json
@@ -73,12 +73,12 @@
         },
         {
           "url": "tutorial/toh-pt2",
-          "title": "4. 主从结构",
+          "title": "4. 显示英雄列表",
           "tooltip": "第四部分：构建一个主从结构的页面，用于展现英雄列表"
         },
         {
           "url": "tutorial/toh-pt3",
-          "title": "5. 多个组件",
+          "title": "5. 主从结构",
           "tooltip": "第五部分：把主从结构的页面重构成多个组件"
         },
         {
diff --git a/aio/tools/transforms/remark-package/services/translator.js b/aio/tools/transforms/remark-package/services/translator.js
index 2528230218..9610e23af8 100644
--- a/aio/tools/transforms/remark-package/services/translator.js
+++ b/aio/tools/transforms/remark-package/services/translator.js
@@ -1,5 +1,5 @@
 function mark(text) {
-  return text.replace(/<(h\d|header|p|a)(\b[\s\S]*?)>([\s\S]+?)<\/\1>/gi, function ($0, $1, $2, $3) {
+  return text.replace(/<(h\d|header|p|section)(\b[\s\S]*?)>([\s\S]+?)<\/\1>/gi, function ($0, $1, $2, $3) {
     const suffix = isTranslation($3) ? 'result' : 'origin=off';
     return `<${$1} translation-${suffix} ${$2}>${$3}</${$1}>`;
   });