diff --git a/jcommon/nginx/src/main/java/com/xiaomi/youpin/nginx/NginxUtilsV2.java b/jcommon/nginx/src/main/java/com/xiaomi/youpin/nginx/NginxUtilsV2.java
index aa77bda2b..9d55347c3 100644
--- a/jcommon/nginx/src/main/java/com/xiaomi/youpin/nginx/NginxUtilsV2.java
+++ b/jcommon/nginx/src/main/java/com/xiaomi/youpin/nginx/NginxUtilsV2.java
@@ -89,8 +89,8 @@ public static String addServer(String config, String name, List<String> serversT
                     });
 
                     List<String> checkList = StringUtils.isNotEmpty(checkUrl)
-                            ? Lists.newArrayList("check interval=3000 rise=2 fall=3 timeout=1000 type=http", String.format("check_http_send \"HEAD %s HTTP/1.0\\r\\n\\r\\n\"", checkUrl))
-                            : Lists.newArrayList("check interval=3000 rise=2 fall=3 timeout=1000 type=tcp");
+                            ? Lists.newArrayList("check interval=3000 rise=2 fall=3 timeout=1000 default_down=false type=http", String.format("check_http_send \"HEAD %s HTTP/1.0\\r\\n\\r\\n\"", checkUrl))
+                            : Lists.newArrayList("check interval=3000 rise=2 fall=3 timeout=1000 default_down=false type=tcp");
                     checkList.stream().forEach(p -> {
                         NgxParam param = new NgxParam();
                         param.addValue(p);