+
+
+
+
+### Upgrading from 3.x to 4.0
+
+1. Upgrade Node.js to 10.13.0 or a newer version.
+
+2. Install Icarus 4.0 either via source code dowload or NPM install.
+ You can find instructions in {% post_link en/Getting-Started %}.
+ If you plan to customize the theme by altering its source code, you are required to install
+ the theme from source code.
+
+3. Run `hexo clean` to clear cache files.
+ Install any missing packages as prompted by Icarus:
+
+ {% codeblock "Shell" lang:shell %}
+ $ hexo clean
+ ...
+ ERROR Please install the missing dependencies your Hexo site root directory:
+ ERROR npm install --save hexo@^5.0.2 hexo-component-inferno@^0.8.2 hexo-log@^2.0.0 hexo-util@^2.2.0
+ ERROR or:
+ ERROR yarn add hexo@^5.0.2 hexo-component-inferno@^0.8.2 hexo-log@^2.0.0 hexo-util@^2.2.0
+ {% endcodeblock %}
+
+4. Run `hexo clean` again to let Icarus upgrade your theme configuration file for you.
+ Icarus will back up and remove `themes/icarus/_config.yml`, and then create `_config.icarus.yml` as
+ the new theme configuration file.
+ You can refer to `_config.icarus.yml.example` for example configurations.
+
+ {% codeblock "Shell" lang:shell %}
+ $ hexo clean
+ ...
+ WARN Your theme configuration is outdated (3.0.0 < 4.0.0).
+ INFO To skip the configuration upgrade, use "--icarus-dont-upgrade-config".
+ INFO Backing up theme configuration files...
+ INFO themes/icarus/_config.yml => themes/icarus/_config.yml.dc00f8b8f8bc03ede351d711e958dc4b
+ INFO Upgrading theme configurations...
+ INFO Theme configurations are written to /tmp/_config.icarus.yml.
+ INFO Example configurations is at /tmp/_config.icarus.yml.example.
+ {% endcodeblock %}
+
+5. Icarus now treats post thumbnails and cover images separately.
+ For any posts/pages with an thumbnail image, change `thumbnail:` to `cover:` in the front-matter:
+
+ {% codeblock "post.md" lang:diff %}
+ title: Getting Started with Icarus
+ date: 2020-04-01
+ - thumbnail: /gallery/covers/vector_landscape_1.svg
+ + cover: /gallery/covers/vector_landscape_1.svg
+ ---
+ {% endcodeblock %}
+
+ You can still set `thumbnail` in the front-matter to show a smaller thumbnail image for your posts
+ in the archive page and in the recent post widget.
+
+6. Check out the [release notes](https://github.com/ppoffice/hexo-theme-icarus/releases) and the
+ [latest documentation](https://ppoffice.github.io/hexo-theme-icarus/categories/) for more information
+ of the new features.
diff --git a/source/_posts/zh-CN/Upgrade-Guide.md b/source/_posts/zh-CN/Upgrade-Guide.md
new file mode 100644
index 0000000..aa46823
--- /dev/null
+++ b/source/_posts/zh-CN/Upgrade-Guide.md
@@ -0,0 +1,72 @@
+title: 升级指南
+date: 2016-01-02
+tags:
+- Icarus用户指南
+language: zh-CN
+providers:
+ cdn: loli
+ fontcdn: loli
+ iconcdn: loli
+toc: true
+---
+
+
+