diff --git a/deploy/manage.sh b/deploy/manage.sh
index 4e1d543..40bd759 100644
--- a/deploy/manage.sh
+++ b/deploy/manage.sh
@@ -200,16 +200,27 @@ fix_permissions() {
 wait_until_ready() {
   local ready=0
   local _i
-  for _i in 1 2 3 4 5 6 7 8 9 10; do
-    if curl -fsS "http://127.0.0.1:${BIND_PORT}/health" >/dev/null; then
+  echo "等待服务监听 ${BIND_PORT} ..."
+  for ((_i = 1; _i <= 40; _i++)); do
+    if curl -fsS "http://127.0.0.1:${BIND_PORT}/health" >/dev/null 2>&1; then
       ready=1
       break
     fi
     sleep 1
   done
   if [[ "${ready}" -ne 1 ]]; then
-    echo "服务未在 10 秒内就绪。最近日志：" >&2
-    journalctl -u "${SERVICE_NAME}.service" -n 50 --no-pager >&2 || true
+    echo "服务未在 40 秒内就绪。状态和最近日志：" >&2
+    systemctl status "${SERVICE_NAME}.service" --no-pager >&2 || true
+    journalctl -u "${SERVICE_NAME}.service" -n 80 --no-pager >&2 || true
+    return 1
+  fi
+  echo "健康检查通过：http://127.0.0.1:${BIND_PORT}/health"
+}
+
+verify_app() {
+  log "检查程序能否启动"
+  if ! /usr/sbin/runuser -u "${APP_USER}" -- bash -c "cd '${INSTALL_ROOT}' && exec '${INSTALL_ROOT}/.venv/bin/python' -c 'import app.main'"; then
+    echo "程序导入失败，没有重启服务。请把上面的报错发出来。" >&2
     return 1
   fi
 }
@@ -223,9 +234,10 @@ cmd_deploy() {
   install_python_deps
   fix_permissions
   write_service
+  verify_app || return 1
   systemctl enable "${SERVICE_NAME}.service"
   systemctl restart "${SERVICE_NAME}.service"
-  wait_until_ready
+  wait_until_ready || return 1
   log "部署完成"
   echo "监听地址：${BIND_HOST}:${BIND_PORT}"
   echo "健康检查：curl http://127.0.0.1:${BIND_PORT}/health"
@@ -257,8 +269,9 @@ cmd_update() {
   install_python_deps
   fix_permissions
   write_service
+  verify_app || return 1
   systemctl restart "${SERVICE_NAME}.service"
-  wait_until_ready
+  wait_until_ready || return 1
   log "更新完成，配置和数据库已保留"
 }