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+## Enable or disable comment
+
+Now, this theme support these comment service:
+- LiveRe
+- Gitalk
+- Disqus
+- Valine
+- Twikoo
+- Waline
+
+### Enabling
+#### Gitalk
+Edit your `config.toml` in the hugo website's root directory.
+
+Add the following line to the section `[params]`
+```toml
+enableGitalk = true
+```
+Then add following lines behind:
+```toml
+[params.gitalk]
+  owner = "user"
+  repo = "repo name"
+  client_id = "your client id"
+  client_secret = "your client secret"
+```
+(Modify to suit your condition.)
+
+Notice: Gitalk will not shown in offline preview server.(Launched by `hugo server`)
+#### Disqus
+
+To add a disqus comment service, please add a line to `config.toml` in the root directory, under `[params]`:
+
+```toml
+[params]
+disqusShortname = "Your disqus short name."
+```
+
+Thanks for [nicholaskajoh](https://github.com/AmazingRise/hugo-theme-diary/issues/51) and [jenlky](https://github.com/AmazingRise/hugo-theme-diary/issues/42)'s feedback.
+
+#### LiveRe!
+
+Edit your `config.toml` in the hugo website's root directory.
+
+Add the following line to the section `[params]`
+```toml
+livereId = "xxxx"
+```
+
+"xxxx" stands for the value of `data-uid` in your LiveRe HTML code.
+
+#### Valine
+Edit your `config.toml` in the hugo website's root directory.
+
+Add the following line to the section `[params]`
+```toml
+enableValine = true
+```
+Then add following lines behind:
+```toml
+[params.valine]
+  appId = "Your app ID of leancloud"
+  appKey = "Your app key of leancloud"
+  avator = "avator type"
+```
+
+`avator` is optional. For details, [click here](https://valine.js.org/avatar.html).
+
+#### Twikoo
+
+Edit your `config.toml` in the hugo website's root directory.
+
+Add the following line to the section `[params]`
+```toml
+enableTwikoo = true
+twikooEnvId = "twikoo-YourEnvId"
+```
+
+Replace YourEnvId with your actual environment id.
+
+If your Tencent Cloud Environment is deployed in Guangzhou server, don't forget to add this:
+
+```toml
+twikooRegion = "ap-guangzhou"
+```
+
+#### Waline
+
+Edit your `config.toml` in the hugo website's root directory.
+
+Add the following line to the section `[params]`
+```toml
+walineServer = "https://yourappaddress.vercel.app"
+```
+
+`walineServer` is corresponding to `serverURL`.
+
+#### Other comment service
+
+Welcome to open an issue or Pull Request for adding a new comment service.
+
+If I'm free then, I will add it. 
+
+---
+
+### Disabling
+#### Disable the comment in one post
+If you wanna to disable the comment in a specific post, please add a line in the metadata area of the post:
+```
+comment : false
+```
+A more detailed description of the posts' meta data is [here](https://github.com/AmazingRise/hugo-theme-diary/wiki/Post's-meta-data).
+
+#### Disable it globally
+Please remove the settings item referred in "Add comment".
+
+The comment area will not be shown.
+\ No newline at end of file