diff --git a/action.yml b/action.yml
index f8a057b..7af52d1 100644
--- a/action.yml
+++ b/action.yml
@@ -28,7 +28,7 @@ runs:
       dotnet-version: ${{ inputs.DOTNET_VERSION }}
   - name: 資料庫移轉
     env:
-      ASPNETCORE_ENVIRONMENT: ${{ ASPNETCORE_ENVIRONMENT || inputs.DOTNET_ENVIRONMENT }}
+      ASPNETCORE_ENVIRONMENT: ${{ env.ASPNETCORE_ENVIRONMENT || inputs.DOTNET_ENVIRONMENT }}
     run: dotnet ef database update --project ../${{ inputs.MIGRATION_PROJECT_NAME }} --context ${{ inputs.MIGRATION_CONTEXT }}
     shell: bash
     working-directory: ${{ inputs.PROJECT_NAME }}
\ No newline at end of file