diff --git a/action.yml b/action.yml
index 9aa3f1b..0b2a2ef 100644
--- a/action.yml
+++ b/action.yml
@@ -25,3 +25,10 @@ inputs:
 runs:
   using: 'docker'
   image: 'Dockerfile'
+  env:
+    GITEA_SERVER: ${{ inputs.gitea-server }}
+    REPOSITORY: ${{ inputs.repository }}
+    PACKAGE_NAME: ${{ inputs.package-name }}
+    TOKEN: ${{ inputs.token }}
+    KEEP_COUNT: ${{ inputs.keep-count }}
+    DRY_RUN: ${{ inputs.dry-run }}
diff --git a/entrypoint.sh b/entrypoint.sh
index c781874..120ee26 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,12 +2,17 @@
 
 set -euo pipefail
 
-GITEA_SERVER="${INPUT_GITEA_SERVER}"
-REPOSITORY="${INPUT_REPOSITORY}"
-PACKAGE_NAME="${INPUT_PACKAGE_NAME:-}"
-TOKEN="${INPUT_TOKEN}"
-KEEP_COUNT="${INPUT_KEEP_COUNT:-2}"
-DRY_RUN="${INPUT_DRY_RUN:-false}"
+GITEA_SERVER="${GITEA_SERVER:-}"
+REPOSITORY="${REPOSITORY:-}"
+PACKAGE_NAME="${PACKAGE_NAME:-}"
+TOKEN="${TOKEN:-}"
+KEEP_COUNT="${KEEP_COUNT:-2}"
+DRY_RUN="${DRY_RUN:-false}"
+
+if [[ -z "$GITEA_SERVER" ]] || [[ -z "$REPOSITORY" ]] || [[ -z "$TOKEN" ]]; then
+  echo "❌ 錯誤：缺少必要的 inputs (gitea-server, repository, token)"
+  exit 1
+fi
 
 /cleanup-releases.sh "$GITEA_SERVER" "$REPOSITORY" "$TOKEN" "$KEEP_COUNT" "$DRY_RUN"