fix(manager): set instance to 'unknow' for dynamic monitors on modification

hertzbeat-manager/src/main/java/org/apache/hertzbeat/manager/service/impl/MonitorServiceImpl.java

@@ -172,7 +172,7 @@ public void addMonitor(Monitor monitor, List<Param> params, String collector, Gr
         Job appDefine = appService.getAppDefine(app);
         if (!isStatic) {
             appDefine.setSd(true);
-            monitor.setInstance("unknow");
+            monitor.setInstance("unknown");
         }
         if (CommonConstants.PROMETHEUS.equals(monitor.getApp())) {
             appDefine.setApp(CommonConstants.PROMETHEUS_APP_PREFIX + monitor.getName());
@@ -382,6 +382,12 @@ public void modifyMonitor(Monitor monitor, List<Param> params, String collector,
             labelDao.saveAll(addLabels);
         }
 
+        boolean isStatic = CommonConstants.SCRAPE_STATIC.equals(monitor.getScrape())
+            || !StringUtils.hasText(monitor.getScrape());
+        if (!isStatic && !StringUtils.hasText(monitor.getInstance())) {
+            monitor.setInstance("unknown");
+        }
+
         String instance = monitor.getInstance();
         // The port field may be null
         Param portParam = params.stream()
@@ -391,13 +397,13 @@ public void modifyMonitor(Monitor monitor, List<Param> params, String collector,
         String portWithMark = (Objects.isNull(portParam) || !StringUtils.hasText(portParam.getParamValue()))
                 ? ""
                 : SignConstants.DOUBLE_MARK + portParam.getParamValue();
-        if (Objects.nonNull(instance)) {
+        if (Objects.nonNull(instance)&&!IpDomainUtil.isHasPortWithMark(instance)) {
             instance = instance + portWithMark;
         }
+
+
         monitor.setInstance(instance);
 
-        boolean isStatic = CommonConstants.SCRAPE_STATIC.equals(monitor.getScrape())
-                || !StringUtils.hasText(monitor.getScrape());
         if (preMonitor.getStatus() != CommonConstants.MONITOR_PAUSED_CODE) {
             // Construct the collection task Job entity
             String app = isStatic ? monitor.getApp() : monitor.getScrape();