When the alert is executed, if the alarm group is not bound to the alert...

When the alert is executed, if the alarm group is not bound to the alert plug-in, the alert status is updated to fail.

dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/runner/AlertSender.java

@@ -75,13 +75,14 @@ public class AlertSender {
             List<AlertPluginInstance> alertInstanceList = alertDao.listInstanceByAlertGroupId(alertGroupId);
             if (CollectionUtils.isEmpty(alertInstanceList)) {
                 logger.error("send alert msg fail,no bind plugin instance.");
-                return;
+                alertDao.updateAlert(AlertStatus.EXECUTION_FAILURE, "no bind plugin instance", alert.getId());
+                continue;
             }
             AlertData alertData = new AlertData();
             alertData.setId(alert.getId())
-                .setContent(alert.getContent())
-                .setLog(alert.getLog())
-                .setTitle(alert.getTitle());
+                    .setContent(alert.getContent())
+                    .setLog(alert.getLog())
+                    .setTitle(alert.getTitle());
 
             for (AlertPluginInstance instance : alertInstanceList) {
 
@@ -107,7 +108,7 @@ public class AlertSender {
         List<AlertPluginInstance> alertInstanceList = alertDao.listInstanceByAlertGroupId(alertGroupId);
         AlertData alertData = new AlertData();
         alertData.setContent(title)
-            .setTitle(content);
+                .setTitle(content);
 
         boolean sendResponseStatus = true;
         List<AlertSendResponseResult> sendResponseResults = new ArrayList<>();
@@ -126,7 +127,7 @@ public class AlertSender {
         for (AlertPluginInstance instance : alertInstanceList) {
             AlertResult alertResult = this.alertResultHandler(instance, alertData);
             AlertSendResponseResult alertSendResponseResult = new AlertSendResponseResult(
-                Boolean.parseBoolean(String.valueOf(alertResult.getStatus())), alertResult.getMessage());
+                    Boolean.parseBoolean(String.valueOf(alertResult.getStatus())), alertResult.getMessage());
             sendResponseStatus = sendResponseStatus && alertSendResponseResult.getStatus();
             sendResponseResults.add(alertSendResponseResult);
         }

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/AlertPluginInstanceServiceImpl.java

@@ -223,7 +223,7 @@ public class AlertPluginInstanceServiceImpl extends BaseService implements Alert
         if (CollectionUtils.isEmpty(idsList)) {
             return false;
         }
-        Optional<String> first = idsList.stream().filter(k -> Arrays.asList(k.split(",")).contains(id)).findFirst();
+        Optional<String> first = idsList.stream().filter(k -> null != k && Arrays.asList(k.split(",")).contains(id)).findFirst();
         return first.isPresent();
     }