diff --git a/action.yml b/action.yml
index 0e48847..2feba28 100644
--- a/action.yml
+++ b/action.yml
@@ -132,7 +132,7 @@ runs:
     
     - name: 清理舊映像
       id: cleanup-images
-      if: ${{ inputs.package-name != '' }}
+      if: inputs.package-name != ''
       shell: bash
       run: |
         echo "開始清理舊映像，保留最新 ${{ inputs.keep-count }} 個版本"