diff --git a/.github/workflows/auto_gen_whl.yml b/.github/workflows/auto_gen_whl.yml
index 09d540e..acc19a1 100644
--- a/.github/workflows/auto_gen_whl.yml
+++ b/.github/workflows/auto_gen_whl.yml
@@ -27,7 +27,7 @@ jobs:
         id: release_version
         run: |
           cd src
-          app_version=$(cat setup.py | grep version | sed "s/version='\([0-9]\+\.[0-9]\+\.[0-9]\+\)',/\1/")
+          app_version=$(cat setup.py | grep version | sed "s/version='\([0-9]\+\.[0-9]\+\.[0-9]\+\)',/\1/" | sed s/[[:space:]]//g)
           echo "app_version=$app_version" >> $GITHUB_ENV
           echo "app_version=$app_version"