diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java
index 08922436..7a519171 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/XmlUtil.java
@@ -298,6 +298,7 @@ public class XmlUtil {
             }else {
                 deviceChannel.setParentId(parentId);
             }
+            // 兼容设备通道信息中自己为自己父节点的情况
             if (deviceChannel.getParentId().equals(deviceChannel.getChannelId())) {
                 deviceChannel.setParentId(null);
             }
diff --git a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRunner.java b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRunner.java
index 3dfb1678..195315ab 100644
--- a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRunner.java
+++ b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRunner.java
@@ -80,6 +80,7 @@ public class ZLMRunner implements CommandLineRunner {
 
         // 获取所有的zlm， 并开启主动连接
         List<MediaServerItem> all = mediaServerService.getAllFromDatabase();
+        Map<String, MediaServerItem> allMap = new HashMap<>();
         mediaServerService.updateVmServer(all);
         if (all.size() == 0) {
             all.add(mediaConfig.getMediaSerItem());
@@ -90,6 +91,7 @@ public class ZLMRunner implements CommandLineRunner {
             }
             startGetMedia.put(mediaServerItem.getId(), true);
             connectZlmServer(mediaServerItem);
+            allMap.put(mediaServerItem.getId(), mediaServerItem);
         }
         String taskKey = "zlm-connect-timeout";
         dynamicTask.startDelay(taskKey, ()->{
@@ -100,7 +102,13 @@ public class ZLMRunner implements CommandLineRunner {
                 }
                 startGetMedia = null;
             }
-        //  TODO 清理数据库中与redis不匹配的zlm
+            // 获取redis中所有的zlm
+            List<MediaServerItem> allInRedis = mediaServerService.getAll();
+            for (MediaServerItem mediaServerItem : allInRedis) {
+                if (!allMap.containsKey(mediaServerItem.getId())) {
+                    mediaServerService.delete(mediaServerItem.getId());
+                }
+            }
         }, 60 * 1000 );
     }