diff --git a/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java b/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java
index 6c3aa9d..7e0655e 100644
--- a/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java
+++ b/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java
@@ -311,6 +311,8 @@ public class SystemUpdateService {
 
         Map<String, Object> services = new LinkedHashMap<>();
         for (String svc : localVersions.keySet()) {
+            // nginx 使用官方镜像，无语义版本号，不参与版本对比；运行状态由 Docker 健康检查覆盖
+            if ("nginx".equals(svc)) continue;
             Map<String, Object> svcInfo = new LinkedHashMap<>();
             svcInfo.put("current", localVersions.get(svc));
             // bugcollect-service 在 manifest 中的 key 是其镜像名 xuqm-bugcollect-service