diff --git a/.github/workflows/linux_mac_native.yml b/.github/workflows/linux_mac_native.yml
index 153d04fc..504fbfc5 100644
--- a/.github/workflows/linux_mac_native.yml
+++ b/.github/workflows/linux_mac_native.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         # see: https://docs.github.com/zh/actions/using-jobs/choosing-the-runner-for-a-job
-#        os: ['ubuntu-20.04', 'macos-12']
+        # os: ['ubuntu-20.04', 'macos-12']
         os: ['ubuntu-20.04']
     name: build - ${{ matrix.os }}
     runs-on: ${{ matrix.os }}