message: Update README.md
  update latest release link
diff: @@ -53,7 +53,7 @@ Davinci is oriented towards product managers, business people, data engineers, d
  * Integration of LDAP sign-in
  ## Latest Release
  -Please download the latest [RELEASE](https://github.com/edp963/davinci/releases/download/v0.3.0-beta.7/davinci-assembly_3.0.1-0.3.1-SNAPSHOT-dist-beta.7.zip)
  +Please download the latest [RELEASE](https://github.com/edp963/davinci/releases/download/v0.3.0-beta.8/davinci-assembly_3.0.1-0.3.1-SNAPSHOT-dist-beta.8.zip)
  ## Get Help
  The fastest way to get response from our developers is to send email to our mail list edp_support@groups.163.com, and welcome to join our WeChat group for online discussion.
  