diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..3a7a217
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,37 @@
+# Contributing to Apache SkyWalking Eyes
+
+Firstly, thanks for your interest in contributing! We hope that this will be a pleasant experience for you,
+so that you will return to continue contributing.
+
+## Code of Conduct
+
+The project and everyone participating in it is governed by the Apache software Foundation's [Code of Conduct](http://www.apache.org/foundation/policies/conduct.html).
+By participating, you are expected to adhere to this code. If you are aware of unacceptable behavior, please visit the [Reporting Guidelines page](http://www.apache.org/foundation/policies/conduct.html#reporting-guidelines)
+and follow the instructions there.
+
+## Contribute
+
+Most of the contributions that we receive are code contributions, but you can also contribute to the documentation or simply report solid bugs for us to fix.
+
+## Report a bug
+
+* **Ensure the bug was not already reported** by searching on GitHub under [Issues](https://github.com/apache/skywalking/issues).
+
+* If you're unable to find an issue addressing the problem, [open a new one](https://github.com/apache/skywalking/issues/new).
+Be sure to include a **title and clear description**, as much relevant information as possible, and a **code sample** or an **executable test case** demonstrating the expected behavior that is not happening.
+
+## Add a new feature or enhance an existing one
+
+_Before making any significant changes, please [open an issue](https://github.com/apache/skywalking/issues)._
+Discussing your proposed changes ahead of time will make the contribution process smooth for everyone.
+
+Once we've discussed your changes and you've got your code ready, make sure that tests are passing and open your pull request. Your PR is most likely to be accepted if it:
+
+* Update the README.md with details of changes to the interface.
+* Include tests for new functionality.
+* References the original issue in description, e.g. "Resolves #123", "Closes #123", or "Fixes #123", etc.
+* Has a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
+
+## Questions about the source code
+
+* Join `#skywalking` channel at [Apache Slack](https://s.apache.org/slack-invite)
diff --git a/README.md b/README.md
index c0b34bc..b719b79 100644
--- a/README.md
+++ b/README.md
@@ -41,9 +41,7 @@
 
 **NOTE**: The full configurations can be found in [the configuration section](#configurations).
 
-### Use as a Binary
-
-#### Install
+### Compile from Source
 
 ```bash
 $ git clone https://github.com/apache/skywalking-eyes
diff --git a/docs/How-to-release.md b/docs/How-to-release.md
new file mode 100644
index 0000000..9562fd4
--- /dev/null
+++ b/docs/How-to-release.md
@@ -0,0 +1,177 @@
+# Apache SkyWalking Eyes Release Guide
+
+This documentation guides the release manager to release the SkyWalking Eyes in the Apache Way, and also helps people to check the release for voting.
+
+## Prerequisites
+
+1. Close (if finished, or move to next milestone otherwise) all issues in the current milestone from [skywalking-eyes](https://github.com/apache/skywalking-eyes/milestones) and [skywalking](https://github.com/apache/skywalking/milestones), create a new milestone if needed.
+1. Update [CHANGES.md](../CHANGES.md).
+
+
+## Add your GPG public key to Apache svn
+
+1. Upload your GPG public key to a public GPG site, such as [MIT's site](http://pgp.mit.edu:11371/). 
+
+1. Log in [id.apache.org](https://id.apache.org/) and submit your key fingerprint.
+
+1. Add your GPG public key into [SkyWalking GPG KEYS](https://dist.apache.org/repos/dist/release/skywalking/KEYS) file, **you can do this only if you are a PMC member**.  You can ask a PMC member for help. **DO NOT override the existed `KEYS` file content, only append your key at the end of the file.**
+
+
+## Build and sign the source code package
+
+```shell
+export VERSION=<the version to release>
+
+git clone --recurse-submodules git@github.com:apache/skywalking-eyes && cd skywalking-eyes
+git tag -a "v$VERSION" -m "Release Apache SkyWalking-Eyes $VERSION"
+git push --tags
+
+make clean 
+
+make test # this is optional, it runs sanity checks to verify the features
+
+make release
+```
+
+## Upload to Apache svn
+
+```bash
+svn co https://dist.apache.org/repos/dist/dev/skywalking/eyes release/skywalking/eyes
+mkdir -p release/skywalking/eyes/"$VERSION"
+cp skywalking-eyes/skywalking*.tgz release/skywalking/eyes/"$VERSION"
+cp skywalking-eyes/skywalking*.tgz.asc release/skywalking/eyes/"$VERSION"
+cp skywalking-eyes/skywalking*.tgz.sha512 release/skywalking/eyes/"$VERSION"
+
+cd release/skywalking && svn add eyes/$VERSION && svn commit eyes -m "Draft Apache SkyWalking-Eyes release $VERSION"
+```
+
+## Call for vote in dev@ mailing list
+
+Call for vote in `dev@skywalking.apache.org`.
+
+```text
+Subject: [VOTE] Release Apache SkyWalking Eyes version $VERSION
+
+Content:
+
+Hi the SkyWalking Community:
+This is a call for vote to release Apache SkyWalking Eyes version $VERSION.
+
+Release notes:
+
+ * https://github.com/apache/skywalking-eyes/blob/v$VERSION/CHANGELOG.md
+
+Release Candidate:
+
+ * https://dist.apache.org/repos/dist/dev/skywalking/eyes/$VERSION
+ * sha512 checksums
+   - sha512xxxxyyyzzz skywalking-eyes-src-x.x.x.tgz
+
+Release Tag :
+
+ * (Git Tag) v$VERSION
+
+Release Commit Hash :
+
+ * https://github.com/apache/skywalking-eyes/tree/<Git Commit Hash>
+
+Keys to verify the Release Candidate :
+
+ * https://dist.apache.org/repos/dist/release/skywalking/KEYS
+
+Guide to build the release from source :
+
+ * https://github.com/apache/skywalking-eyes/blob/master/README.md#compile-from-source
+
+Voting will start now and will remain open for at least 72 hours, all PMC members are required to give their votes.
+
+[ ] +1 Release this package.
+[ ] +0 No opinion.
+[ ] -1 Do not release this package because....
+
+Thanks.
+
+[1] https://github.com/apache/skywalking/blob/master/docs/en/guides/How-to-release.md#vote-check
+```
+
+## Vote Check
+
+All PMC members and committers should check these before voting +1:
+
+1. Features test.
+1. All artifacts in staging repository are published with `.asc`, `.md5`, and `sha` files.
+1. Source codes and distribution packages (`skywalking-eyes-src-$VERSION.tgz`)
+are in `https://dist.apache.org/repos/dist/dev/skywalking/eyes/$VERSION` with `.asc`, `.sha512`.
+1. `LICENSE` and `NOTICE` are in source codes and distribution package.
+1. Check `shasum -c skywalking-eyes-src-$VERSION.tgz.sha512`.
+1. Check `gpg --verify skywalking-eyes-src-$VERSION.tgz.asc skywalking-eyes-src-$VERSION.tgz`.
+1. Build distribution from source code package by following this [the build guide](#build-and-sign-the-source-code-package).
+1. Licenses check, `make license`.
+
+Vote result should follow these:
+
+1. PMC vote is +1 binding, all others is +1 no binding.
+
+1. Within 72 hours, you get at least 3 (+1 binding), and have more +1 than -1. Vote pass. 
+
+1. **Send the closing vote mail to announce the result**.  When count the binding and no binding votes, please list the names of voters. An example like this:
+
+   ```
+   [RESULT][VOTE] Release Apache SkyWalking Eyes version $VERSION
+   
+   72+ hours passed, we’ve got ($NUMBER) +1 bindings (and ... +1 non-bindings):
+   
+   (list names)
+   +1 bindings:
+   xxx
+   ...
+   
+   +1 non-bindings:
+   xxx
+   ...
+    
+   Thank you for voting, I’ll continue the release process.
+   ```
+
+## Publish release
+
+1. Move source codes tar balls and distributions to `https://dist.apache.org/repos/dist/release/skywalking/`, **you can do this only if you are a PMC member**.
+
+    ```shell
+    svn mv https://dist.apache.org/repos/dist/dev/skywalking/eyes/"$VERSION" https://dist.apache.org/repos/dist/release/skywalking/eyes/"$VERSION"
+    ```
+    
+1. Refer to the previous [PR](https://github.com/apache/skywalking-website/pull/132), update news and links on the website. There are several files need to modify.
+
+1. Update [Github release page](https://github.com/apache/skywalking-eyes/releases), follow the previous convention.
+
+1. Send ANNOUNCE email to `dev@skywalking.apache.org` and `announce@apache.org`, the sender should use his/her Apache email account. 
+
+    ```
+    Subject: [ANNOUNCEMENT] Apache SkyWalking Eyes $VERSION Released
+
+    Content:
+
+    Hi the SkyWalking Community
+
+    On behalf of the SkyWalking Team, I’m glad to announce that SkyWalking Eyes $VERSION is now released.
+
+    SkyWalking Eyes: A full-featured license tool to check and fix license headers and resolve dependencies' licenses.
+
+    SkyWalking: APM (application performance monitor) tool for distributed systems, especially designed for microservices, cloud native and container-based (Docker, Kubernetes, Mesos) architectures.
+
+    Download Links: http://skywalking.apache.org/downloads/
+
+    Release Notes : https://github.com/apache/skywalking-eyes/blob/v$VERSION/CHANGELOG.md
+
+    Website: http://skywalking.apache.org/
+
+    SkyWalking Eyes Resources:
+    - Issue: https://github.com/apache/skywalking/issues
+    - Mailing list: dev@skywalking.apache.org
+    - Documents: https://github.com/apache/skywalking-eyes/blob/v$VERSION/README.md
+    
+    The Apache SkyWalking Team
+```
+    
+    
diff --git a/pkg/review/header.go b/pkg/review/header.go
index 8c8df5a..8b96e26 100644
--- a/pkg/review/header.go
+++ b/pkg/review/header.go
@@ -59,7 +59,7 @@
 )
 
 func init() {
-	if os.Getenv("INPUT_GITHUB_TOKEN") == "" {
+	if os.Getenv("GITHUB_TOKEN") == "" {
 		logger.Log.Infoln("GITHUB_TOKEN is not set, license-eye won't comment on the pull request")
 		return
 	}