diff --git a/apps/api/routes/health.py b/apps/api/routes/health.py
index 38ddddd..33e426e 100644
--- a/apps/api/routes/health.py
+++ b/apps/api/routes/health.py
@@ -1,16 +1,28 @@
 from __future__ import annotations
 
+import logging
+
 from fastapi import APIRouter
 
 from packages.config import get_settings
 from packages.db import Repository
 
 router = APIRouter(tags=["health"])
+log = logging.getLogger("health")
 
 
 @router.get("/health")
 def health() -> dict:
-    s = get_settings()
+    try:
+        s = get_settings()
+    except Exception as e:  # noqa: BLE001
+        log.exception("settings load failed: %s", e)
+        return {
+            "ok": False,
+            "service": "market_intel",
+            "product": "比特骆驼行情采集分析",
+            "error": f"settings: {e}",
+        }
     repo = Repository(s.db_path)
     try:
         hb = repo.get_heartbeat()
@@ -29,5 +41,13 @@ def health() -> dict:
             "option_quotes": repo.count_option_quotes(),
             "index_ticks": repo.count_index_ticks(),
         }
+    except Exception as e:  # noqa: BLE001
+        log.exception("health db failed: %s", e)
+        return {
+            "ok": False,
+            "service": "market_intel",
+            "product": "比特骆驼行情采集分析",
+            "error": f"db: {e}",
+        }
     finally:
-        repo.close()
+        repo.close()
\ No newline at end of file
diff --git a/deploy/lib/common.sh b/deploy/lib/common.sh
index 6786537..29bfa46 100644
--- a/deploy/lib/common.sh
+++ b/deploy/lib/common.sh
@@ -223,8 +223,10 @@ ensure_dotenv() {
   ensure_env_key "${envf}" "AUTH_SECRET" "鉴权密钥(disabled 关闭)" "change-me"
   ensure_env_key "${envf}" "ADMIN_USERNAME" "管理员用户名" "admin"
   ensure_env_key "${envf}" "ADMIN_PASSWORD" "管理员密码" "admin123"
+  ensure_env_key "${envf}" "BACKUP_DIR" "" "/root/market_intel_backups"
   ensure_env_key "${envf}" "BACKUP_AUTO_ENABLED" "自动备份 1/0" "1"
   ensure_env_key "${envf}" "BACKUP_INTERVAL_HOURS" "自动备份间隔小时" "24"
+  ensure_env_key "${envf}" "BACKUP_KEEP_COUNT" "" "30"
   ensure_env_key "${envf}" "OKX_API_KEY" "OKX API Key(可空)" ""
   ensure_env_key "${envf}" "OKX_API_SECRET" "OKX API Secret(可空)" ""
   ensure_env_key "${envf}" "OKX_API_PASSPHRASE" "OKX Passphrase(可空)" ""
@@ -323,7 +325,7 @@ verify_health() {
   local url="http://127.0.0.1:${port}/health"
   step "健康检查 ${url}"
   local i
-  for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+  for i in $(seq 1 30); do
     if curl -fsS "${url}" >/dev/null 2>&1; then
       log "health OK"
       curl -fsS "${url}" || true
@@ -332,7 +334,7 @@ verify_health() {
     fi
     sleep 2
   done
-  log "警告: health 暂未就绪，请检查: docker compose -f ${REPO_ROOT}/docker-compose.yml logs"
+  log "警告: health 暂未就绪，请检查: docker compose -f ${REPO_ROOT}/docker-compose.yml logs api --tail 80"
   return 1
 }
 
diff --git a/packages/config/settings.py b/packages/config/settings.py
index 46e93da..94bfacc 100644
--- a/packages/config/settings.py
+++ b/packages/config/settings.py
@@ -13,6 +13,7 @@ class Settings(BaseSettings):
     model_config = SettingsConfigDict(
         env_file=".env",
         env_file_encoding="utf-8",
+        env_ignore_empty=True,
         extra="ignore",
     )