diff --git a/.appveyor.yml b/.appveyor.yml
index ba33fa6..2f7d36a 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -46,7 +46,7 @@ deploy_script:
       } else {
         docker login --username $env:DOCKER_USERNAME --password $env:DOCKER_PASSWORD
         if ( $env:APPVEYOR_REPO_TAG -eq 'true' ) {
-          $major,$minor,$patch = $env:APPVEYOR_REPO_TAG_NAME.substring(1).split('.')
+          $major,$minor,$patch = $env:APPVEYOR_REPO_TAG_NAME.split('.')
           docker push appleboy/drone-telegram:windows
           docker tag appleboy/drone-telegram:windows appleboy/drone-telegram:$major.$minor.$patch-windows
           docker push appleboy/drone-telegram:$major.$minor.$patch-windows