diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index aafefa7d..29ecc552 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -6,8 +6,6 @@ on:
     branches: [ "livox_devel" ]
     # Publish semver tags as releases.
     tags: [ 'v*.*.*' ]
-  pull_request:
-    branches: [ "livox_devel" ]
 
 
 env:
@@ -90,7 +88,7 @@ jobs:
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          file: S{{ matrix.dockerfile }}
+          file: ${{ matrix.dockerfile }}
           tags: ${{ steps.meta.outputs.tags }}
           # platforms: linux/arm64/v8
           labels: ${{ steps.meta.outputs.labels }}