docs: update docs

Author: edison1105

README.md

@@ -6,8 +6,8 @@ Check if your PRs are in conflict.
 npm i -g @edison1105/cpr
 ```
 
+- `cpr -t <token>` set the token of GitHub. **token is a required**. see [new personal access token](https://github.com/settings/tokens/new?scopes=repo)
 - `cpr -u <username>` set the author name of PRs
-- `cpr -t <token>` set the token of GitHub. [New personal access token](https://github.com/settings/tokens/new?scopes=repo)
 - `cpr -s <owner/repo> [-u <username>]` list the PRs which has conflicts
 
 ## Screenshot