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 bf596a5..a7929a7 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
@@ -310,8 +310,10 @@ public class SystemUpdateService {
             Object remoteSvc = remoteServices.get(manifestKey);
             if (remoteSvc instanceof Map) {
                 Map<String, Object> rMap = (Map<String, Object>) remoteSvc;
-                svcInfo.put("latest", rMap.getOrDefault("version", ""));
-                svcInfo.put("changed", rMap.getOrDefault("changed", false));
+                String latestVer = (String) rMap.getOrDefault("version", "");
+                String currentVer = localVersions.get(svc);
+                svcInfo.put("latest", latestVer);
+                svcInfo.put("changed", !latestVer.isEmpty() && !"unknown".equals(latestVer) && !currentVer.equals(latestVer));
             } else {
                 svcInfo.put("latest", "");
                 svcInfo.put("changed", false);