diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 8f4f2aa..589a447 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -35,17 +35,17 @@ jobs:
           fi
       - name: Check bump type
         run: |
-          git fetch
           NEW_BUMP_TYPE=""
           if [[ $INPUT_TITLE =~ \[(.*)\] ]]; then
               NEW_BUMP_TYPE="${BASH_REMATCH[1]}"
           else
               echo "Bump type not found" >&2; exit 1;
           fi
-          if [[ "$NEW_BUMP_TYPE" == "$none" ]]; then
+          if [[ "$NEW_BUMP_TYPE" == "none" ]]; then
             echo "Bump type none, skip compare"
             exit 0
           fi
+          git fetch
           base_branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}
           target_branch=${{ github.event.pull_request.base.ref }}
           chmod +x ./scripts/helpers/build_and_dump.sh