diff --git a/src/main/java/club/joylink/xiannccda/alert/core/AlertDataSource.java b/src/main/java/club/joylink/xiannccda/alert/core/AlertDataSource.java
index 4bb76b0..30c1a0b 100644
--- a/src/main/java/club/joylink/xiannccda/alert/core/AlertDataSource.java
+++ b/src/main/java/club/joylink/xiannccda/alert/core/AlertDataSource.java
@@ -1,7 +1,5 @@
 package club.joylink.xiannccda.alert.core;
 
-import com.baomidou.mybatisplus.core.toolkit.StringPool;
-import com.google.common.base.Joiner;
 import com.google.common.collect.HashBasedTable;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Table;
@@ -11,9 +9,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Objects;
-import java.util.concurrent.ConcurrentHashMap;
 import lombok.Getter;
-import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 
@@ -23,7 +19,6 @@ import org.apache.commons.lang3.StringUtils;
 @Slf4j
 public class AlertDataSource {
 
-
   /**
    * 保存已经报警的设备
    * <p>
@@ -39,25 +34,20 @@ public class AlertDataSource {
 
   public synchronized static AlertDataSource getInstance() {
     if (Objects.isNull(dataSource)) {
-      return new AlertDataSource();
+      return dataSource = new AlertDataSource();
     }
     return dataSource;
   }
 
-  /**
-   * 报警监控任务(循环监测式报警)
-   */
-  Map<String, AlertMonitoringTask> amtMap = new ConcurrentHashMap<>();
-
 
   public void clearAlertDataMsg(Integer lineId) {
-    DEVICE_ALTER_TABLE.clear();
+    DEVICE_ALTER_TABLE.row(lineId).clear();
   }
 
   public boolean putAlterDevice(Integer lineId, String customName, String deviceName) {
     AlertTableDetail detail = DEVICE_ALTER_TABLE.get(lineId, customName);
     if (Objects.isNull(detail)) {
-      detail = new AlertTableDetail(false);
+      detail = new AlertTableDetail();
       DEVICE_ALTER_TABLE.put(lineId, customName, detail);
     }
     return detail.add(deviceName);
@@ -84,44 +74,12 @@ public class AlertDataSource {
   public void removeAlterDevice(Integer lineId, String customName, String deviceName) {
     AlertTableDetail detail = DEVICE_ALTER_TABLE.get(lineId, customName);
     if (Objects.isNull(detail)) {
-      detail = new AlertTableDetail(false);
+      detail = new AlertTableDetail();
       DEVICE_ALTER_TABLE.put(lineId, customName, detail);
     }
     detail.remove(deviceName);
   }
 
-  public boolean needMostShow(Integer lineId, String customName, int val) {
-    if (StringUtils.isEmpty(customName)) {
-      return false;
-    }
-    AlertTableDetail detail = DEVICE_ALTER_TABLE.get(lineId, customName);
-    if (Objects.isNull(detail)) {
-      detail = new AlertTableDetail(false);
-      DEVICE_ALTER_TABLE.put(lineId, customName, detail);
-    }
-//    if (detail.mostShower && detail.mostSize() >= val) {
-//      //已经报警过了且超过了阈值
-//      return false;
-//    } else
-    if (detail.mostShower && detail.mostSize() < val) {
-      //已经报警过了，但小于阈值
-      detail.setMostShower(false);
-      return false;
-    } else if (detail.mostSize() >= val) {
-      //超过阈值
-      detail.setMostShower(true);
-      return true;
-    }
-    return false;
-  }
-
-  public String findAllWarnDevice(Integer lineId, String customName) {
-    AlertTableDetail detail = DEVICE_ALTER_TABLE.get(lineId, customName);
-    if (Objects.isNull(detail)) {
-      return null;
-    }
-    return detail.getAllDeviceCodes();
-  }
 
   public List<String> findAllWarnDeviceForList(Integer lineId, String customeName) {
     AlertTableDetail detail = DEVICE_ALTER_TABLE.get(lineId, customeName);
@@ -134,21 +92,13 @@ public class AlertDataSource {
 
   public static class AlertTableDetail {
 
-    public AlertTableDetail(boolean shower) {
-      this.mostShower = shower;
-      this.deviceCodes = Lists.newArrayList();
+    public AlertTableDetail() {
+      this.deviceCodes = Lists.newLinkedList();
     }
 
-    @Getter
-    @Setter
-    private boolean mostShower;
     @Getter
     private List<String> deviceCodes;
 
-    public int mostSize() {
-      return this.deviceCodes.size();
-    }
-
     public boolean add(String deviceCode) {
       if (this.contains(deviceCode)) {
         return false;
@@ -158,11 +108,6 @@ public class AlertDataSource {
       return true;
     }
 
-
-    public String getAllDeviceCodes() {
-      return Joiner.on(StringPool.COMMA).skipNulls().join(this.deviceCodes);
-    }
-
     public boolean contains(String deviceCode) {
       return this.deviceCodes.contains(deviceCode);
     }
diff --git a/src/main/java/club/joylink/xiannccda/ats/warn/axle/AxleLedMostMonitorListener.java b/src/main/java/club/joylink/xiannccda/ats/warn/axle/AxleLedMostMonitorListener.java
index eed85cc..1ba2b65 100644
--- a/src/main/java/club/joylink/xiannccda/ats/warn/axle/AxleLedMostMonitorListener.java
+++ b/src/main/java/club/joylink/xiannccda/ats/warn/axle/AxleLedMostMonitorListener.java
@@ -14,6 +14,9 @@ import club.joylink.xiannccda.dto.protos.GuardConfigProto.GuardConfig;
 import club.joylink.xiannccda.service.AlertInfoService;
 import club.joylink.xiannccda.service.config.DeviceGuardConfigService;
 import club.joylink.xiannccda.vo.AreaConfigVO;
+import com.baomidou.mybatisplus.core.toolkit.StringPool;
+import com.baomidou.mybatisplus.core.toolkit.StringUtils;
+import com.google.common.base.Joiner;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import java.time.LocalDateTime;
@@ -70,7 +73,7 @@ public class AxleLedMostMonitorListener implements AlertSourceEventListener<LedM
       List<String> warnDeviceList = alertDataSource.findAllWarnDeviceForList(lineIdInt, customName);
       if (Objects.nonNull(areaConfigVO) && deviceStatusList.stream().anyMatch(d -> d.saveAlertDataSouce) && warnDeviceList.size() >= ledThreshold) {
         //发布大面积
-        String warnDevices = String.join(",", warnDeviceList);
+        String warnDevices = Joiner.on(StringPool.COMMA).skipNulls().join(warnDeviceList);
         String alertMsg = String.format("%s-出现大面积%s设备[%s]", areaConfigVO.getAreaName(), ledName, warnDevices);
         NccAlertInfo alertInfoMost = this.alertInfoService.createAlert2(areaConfigVO.getId(), mostType, lineIdInt, LocalDateTime.now(), alertMsg, null, AlertDeviceType.DEVICE_TYPE_TRACK, false);
         alertManager.emit(alertInfoMost);