diff --git a/ad_user_creator/templates/index.html b/ad_user_creator/templates/index.html
index 6f0b496..9206a74 100644
--- a/ad_user_creator/templates/index.html
+++ b/ad_user_creator/templates/index.html
@@ -203,6 +203,12 @@
           currentUIOptions = await res.json();
           renderSelect('dept_ou', currentUIOptions.ou_list, '请选择部门 OU...');
           renderSelect('base_group', currentUIOptions.base_group_list, '请选择基础组...');
+          
+          // 如果列表包含 staff，设置为默认选项
+          if (currentUIOptions.base_group_list && currentUIOptions.base_group_list.includes('staff')) {
+             document.getElementById('base_group').value = 'staff';
+          }
+
           renderCheckboxes('project_groups_container', 'project_groups_input', currentUIOptions.project_group_list);
           renderCheckboxes('resource_groups_container', 'resource_groups_input', currentUIOptions.resource_group_list);
         }
diff --git a/run.sh b/run.sh
index 0270252..868d861 100755
--- a/run.sh
+++ b/run.sh
@@ -1,15 +1,17 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-PYTHON_BIN="/opt/homebrew/Caskroom/miniconda/base/bin/python"
+PYTHON_BIN="python3"
 CONFIG_PATH="config/config.yaml"
 INPUT_FILE=""
 DRY_RUN="false"
 CONTINUE_ON_ERROR="true"
+COMMAND=""
 
 usage() {
   cat <<'EOF'
 Usage:
+  ./run.sh ui
   ./run.sh
   ./run.sh -f users.csv
   ./run.sh -f users.xlsx
@@ -17,6 +19,9 @@ Usage:
   ./run.sh -f users.xlsx --continue-on-error false
   ./run.sh -c config/config.yaml
 
+Commands:
+  ui          Start the Web UI in the background on port 9999
+
 Options:
   -f <file>   Batch input file (.csv/.xlsx). If omitted, interactive mode is used.
   -c <path>   YAML config path (default: config/config.yaml)
@@ -26,6 +31,12 @@ Options:
 EOF
 }
 
+# 检查是否为独立的 ui 命令
+if [[ "${1:-}" == "ui" ]]; then
+  COMMAND="ui"
+  shift
+fi
+
 while [[ $# -gt 0 ]]; do
   case "$1" in
     -f)
@@ -60,6 +71,16 @@ while [[ $# -gt 0 ]]; do
   esac
 done
 
+if [[ "${COMMAND}" == "ui" ]]; then
+  mkdir -p state
+  LOG_FILE="state/web.log"
+  nohup "${PYTHON_BIN}" -m ad_user_creator.main --config "${CONFIG_PATH}" web --port 9999 > "${LOG_FILE}" 2>&1 &
+  echo "UI 服务已在后台启动，监听 http://0.0.0.0:9999"
+  echo "PID: $!"
+  echo "日志: ${LOG_FILE}"
+  exit 0
+fi
+
 if [[ -z "${INPUT_FILE}" ]]; then
   CMD=("${PYTHON_BIN}" -m ad_user_creator.main --config "${CONFIG_PATH}" interactive)
   if [[ "${DRY_RUN}" == "true" ]]; then