diff --git a/domain-api/app/services/sync_push_service.py b/domain-api/app/services/sync_push_service.py
index 55ac0bf..002258f 100644
--- a/domain-api/app/services/sync_push_service.py
+++ b/domain-api/app/services/sync_push_service.py
@@ -896,10 +896,11 @@ def pull_detect_task_batch_now(limit: int | None = None) -> tuple[bool, str, dic
     except Exception as exc:
         return False, f"拉取待检测任务失败: {exc}", {"action": "pull_tasks"}
 
-    if int(data.get("code", 1) or 1) != 0:
+    payload = data.get("data") or {}
+    response_code = data.get("code", 0)
+    if response_code not in (0, "0", None) and not payload:
         return False, str(data.get("message") or "拉取待检测任务失败"), {"action": "pull_tasks", "response": data}
 
-    payload = data.get("data") or {}
     source_record_id = int(payload.get("source_record_id") or 0)
     projection_hash = str(payload.get("projection_hash") or "").strip()
     projection = payload.get("projection") or {}