diff --git a/alerter/src/main/java/org/dromara/hertzbeat/alert/calculate/CalculateAlarm.java b/alerter/src/main/java/org/dromara/hertzbeat/alert/calculate/CalculateAlarm.java
index 0b88515689e..9d5328b5dd7 100644
--- a/alerter/src/main/java/org/dromara/hertzbeat/alert/calculate/CalculateAlarm.java
+++ b/alerter/src/main/java/org/dromara/hertzbeat/alert/calculate/CalculateAlarm.java
@@ -115,8 +115,10 @@ private void startCalculate() {
                     if (metricsData != null) {
                         calculate(metricsData);
                     }
+                } catch (InterruptedException ignored) {
+                    
                 } catch (Exception e) {
-                    log.error(e.getMessage());
+                    log.error("calculate alarm error: {}.", e.getMessage(), e);
                 }
             }
         };
diff --git a/alerter/src/main/java/org/dromara/hertzbeat/alert/reduce/AlarmCommonReduce.java b/alerter/src/main/java/org/dromara/hertzbeat/alert/reduce/AlarmCommonReduce.java
index 66c058d0049..6b5c3c100b4 100644
--- a/alerter/src/main/java/org/dromara/hertzbeat/alert/reduce/AlarmCommonReduce.java
+++ b/alerter/src/main/java/org/dromara/hertzbeat/alert/reduce/AlarmCommonReduce.java
@@ -9,6 +9,7 @@
 import org.dromara.hertzbeat.common.queue.CommonDataQueue;
 import org.springframework.stereotype.Service;
 
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -33,17 +34,21 @@ public class AlarmCommonReduce {
     public void reduceAndSendAlarm(Alert alert) {
 		alert.setTimes(1);
 	    Map<String, String> tags = alert.getTags();
+		if (tags == null) {
+			tags = new HashMap<>(8);
+			alert.setTags(tags);
+		}
 	    String monitorIdStr = tags.get(CommonConstants.TAG_MONITOR_ID);
 	    if (monitorIdStr == null) {
             log.debug("receiver extern alarm message: {}", alert);
 	    } else {
             long monitorId = Long.parseLong(monitorIdStr);
             List<Tag> tagList = alertMonitorDao.findMonitorIdBindTags(monitorId);
-            tagList.forEach(tag -> {
-                if (!tags.containsKey(tag.getName())) {
-                    tags.put(tag.getName(), tag.getValue());
-                }
-            });   
+			for (Tag tag : tagList) {
+				if (!tags.containsKey(tag.getName())) {
+					tags.put(tag.getName(), tag.getValue());
+				}
+			}
         }
 		// converge -> silence
 	    if (alarmConvergeReduce.filterConverge(alert) && alarmSilenceReduce.filterSilence(alert)) {
diff --git a/manager/src/main/java/org/dromara/hertzbeat/manager/service/AvailableAlertDefineInit.java b/manager/src/main/java/org/dromara/hertzbeat/manager/service/AvailableAlertDefineInit.java
index 8ee0a1aaeff..7aec2c977de 100644
--- a/manager/src/main/java/org/dromara/hertzbeat/manager/service/AvailableAlertDefineInit.java
+++ b/manager/src/main/java/org/dromara/hertzbeat/manager/service/AvailableAlertDefineInit.java
@@ -40,7 +40,7 @@ public void run(String... args) throws Exception {
 							.app(app)
 							.metric(CommonConstants.AVAILABILITY)
 							.preset(true)
-							.times(1)
+							.times(2)
 							.enable(true)
                             .recoverNotice(false)
 							.priority(CommonConstants.ALERT_PRIORITY_CODE_EMERGENCY)
diff --git a/web-app/src/assets/i18n/en-US.json b/web-app/src/assets/i18n/en-US.json
index 3787bdcfafc..58b11655f13 100644
--- a/web-app/src/assets/i18n/en-US.json
+++ b/web-app/src/assets/i18n/en-US.json
@@ -148,7 +148,7 @@
   "alert.setting.template.instance-value": "Instance Value",
   "alert.setting.default": "Global Default",
   "alert.setting.default.tip": "Whether this alarm threshold configuration applies to all this type of monitoring globally",
-  "alert.setting.enable": "Enable Alert",
+  "alert.setting.enable": "Enable Threshold",
   "alert.setting.enable.tip": "This alarm threshold configuration is enabled or disabled",
   "alert.setting.recover-notice": "Recover Notice",
   "alert.setting.recover-notice.tip": "Whether to send the corresponding recovered notification when the alarm is resolved under this threshold rule",
diff --git a/web-app/src/assets/i18n/zh-CN.json b/web-app/src/assets/i18n/zh-CN.json
index 339bed568e2..fc8f9a83d5c 100644
--- a/web-app/src/assets/i18n/zh-CN.json
+++ b/web-app/src/assets/i18n/zh-CN.json
@@ -146,9 +146,9 @@
   "alert.setting.template.metric-value": "指标值",
   "alert.setting.template.other-value": "所属行其它指标值",
   "alert.setting.template.instance-value": "所属行实例值",
-  "alert.setting.default": "全局默认",
+  "alert.setting.default": "应用全局",
   "alert.setting.default.tip": "此告警阈值配置是否应用于全局所有此类型监控",
-  "alert.setting.enable": "启用告警",
+  "alert.setting.enable": "启用阈值",
   "alert.setting.enable.tip": "此告警阈值配置开启生效或关闭",
   "alert.setting.recover-notice": "恢复通知",
   "alert.setting.recover-notice.tip": "是否在此阈值规则下告警恢复时发送对应的恢复通知",
diff --git a/web-app/src/assets/i18n/zh-TW.json b/web-app/src/assets/i18n/zh-TW.json
index 9d484fb77a3..e993aa1883e 100644
--- a/web-app/src/assets/i18n/zh-TW.json
+++ b/web-app/src/assets/i18n/zh-TW.json
@@ -145,9 +145,9 @@
   "alert.setting.template.metric-value": "指標值",
   "alert.setting.template.other-value": "所屬行其它指標值",
   "alert.setting.template.instance-value": "所屬行實例值",
-  "alert.setting.default": "全局默認",
+  "alert.setting.default": "應用全域",
   "alert.setting.default.tip": "此告警阈值配置是否應用于全局所有此類型監控",
-  "alert.setting.enable": "啓用告警",
+  "alert.setting.enable": "啓用閾值",
   "alert.setting.enable.tip": "此告警阈值配置開啓生效或關閉",
   "alert.setting.recover-notice": "恢復通知",
   "alert.setting.recover-notice.tip": "是否在此閾值規則下告警恢復時發送對應的恢復通知",