diff --git a/gateway/scripts/agents_health_check.py b/gateway/scripts/agents_health_check.py
index 4f250cc..491dd65 100644
--- a/gateway/scripts/agents_health_check.py
+++ b/gateway/scripts/agents_health_check.py
@@ -87,6 +87,11 @@ def http_check(url, timeout=5):
         return (False, str(e)[:60])
 
 
+def http_check_remote(url, timeout=10):
+    """远程 HTTP 检查，超时更长（跨网）。"""
+    return http_check(url, timeout=timeout)
+
+
 def write_todo(name, issue, fix_script, fix_args, fix_cwd):
     """写一条 TODO 给 self_todo_executor 消费。
     JSONL 每行一条，含 service/issue/时间/fix_action。
@@ -138,7 +143,8 @@ def main():
         # 3. HTTP health check（远程服务直接用 HTTP 判断）
         http_msg = ""
         if port_ok or is_remote:
-            ok, detail = http_check(svc["health_url"])
+            checker = http_check_remote if is_remote else http_check
+            ok, detail = checker(svc["health_url"])
             # accept 401/403 as healthy if configured
             if not ok and svc.get("accept_401") and ("401" in detail or "403" in detail):
                 http_msg = "auth (alive)"