diff --git a/build-push-acr.sh b/build-push-acr.sh
index 2595930..55179cb 100755
--- a/build-push-acr.sh
+++ b/build-push-acr.sh
@@ -44,7 +44,7 @@ Required:
 
 Optional:
   ENV_FILE       env file to load (default: ../deploy/.env if exists)
-  ACR_USERNAME   if set (recommended), script will docker login before pushing
+  ACR_USERNAME   default: aipper@qq.com
   REPO_URL       registry host (ACR). Default: registry.cn-hangzhou.aliyuncs.com
   NAMESPACE      ACR namespace. Default: aipper
   REPO_NAME      repository name. Default: digital-archive-server
@@ -85,6 +85,7 @@ export IMAGE_TAG="${IMAGE_TAG:-$(date +"%Y%m%d%H%M")}"
 export ACR_REGISTRY="${ACR_REGISTRY:-$REPO_URL}"
 export ACR_NAMESPACE="${ACR_NAMESPACE:-$NAMESPACE}"
 export IMAGE_REPO="${IMAGE_REPO:-$REPO_NAME}"
+export ACR_USERNAME="${ACR_USERNAME:-aipper@qq.com}"
 
 if [[ -z "${ACR_PASSWORD:-}" ]]; then
   echo "错误：请在运行脚本时传递密码，例如：bash build-push-acr.sh your-acr-password" >&2
@@ -103,11 +104,7 @@ if [[ "${DRY_RUN:-}" == "1" ]]; then
   exit 0
 fi
 
-if [[ -n "${ACR_USERNAME:-}" ]]; then
-  printf '%s' "$ACR_PASSWORD" | docker login "$ACR_REGISTRY" -u "$ACR_USERNAME" --password-stdin
-else
-  echo "提示：未设置 ACR_USERNAME，将跳过 docker login（若你本机已登录则可继续 push）" >&2
-fi
+printf '%s' "$ACR_PASSWORD" | docker login "$ACR_REGISTRY" -u "$ACR_USERNAME" --password-stdin
 
 if docker buildx version >/dev/null 2>&1; then
   docker buildx build \