diff --git a/.gitea/workflows/linux_arm64_docker.yaml b/.gitea/workflows/linux_arm64_docker.yaml
index 77b952e..363ddae 100644
--- a/.gitea/workflows/linux_arm64_docker.yaml
+++ b/.gitea/workflows/linux_arm64_docker.yaml
@@ -40,10 +40,10 @@ jobs:
           COMMIT_COUNT=$(git rev-list $LAST_TAG..HEAD --count)
           
           if [[ "$LAST_TAG" == *-* ]]; then
-            TEMP_LAST_TAG ="${LAST_TAG%-*}"
+            TEMP_LAST_TAG="${LAST_TAG%-*}"
             VERSION="${TEMP_LAST_TAG}-nightly.${COMMIT_COUNT}"
           else
-            VERSION="$[LAST_TAG}-nightly.${COMMIT_COUNT}"
+            VERSION="${LAST_TAG}-nightly.${COMMIT_COUNT}"
           fi
           
           echo "LAST_TAG=$LAST_TAG" >> "$GITHUB_ENV"