diff --git a/src/main/java/com/genersoft/iot/vmp/conf/DynamicTask.java b/src/main/java/com/genersoft/iot/vmp/conf/DynamicTask.java
index 9ca936c6..041d7388 100644
--- a/src/main/java/com/genersoft/iot/vmp/conf/DynamicTask.java
+++ b/src/main/java/com/genersoft/iot/vmp/conf/DynamicTask.java
@@ -127,11 +127,15 @@ public class DynamicTask {
     public void execute(){
         if (futureMap.size() > 0) {
             for (String key : futureMap.keySet()) {
-                if (futureMap.get(key).isDone()) {
+                if (futureMap.get(key).isDone() || futureMap.get(key).isCancelled()) {
                     futureMap.remove(key);
                     runnableMap.remove(key);
                 }
             }
         }
     }
+
+    public boolean isAlive(String key) {
+        return futureMap.get(key) != null && !futureMap.get(key).isDone() && !futureMap.get(key).isCancelled();
+    }
 }
diff --git a/src/main/java/com/genersoft/iot/vmp/conf/SipPlatformRunner.java b/src/main/java/com/genersoft/iot/vmp/conf/SipPlatformRunner.java
index 0dfa9687..15e38aea 100644
--- a/src/main/java/com/genersoft/iot/vmp/conf/SipPlatformRunner.java
+++ b/src/main/java/com/genersoft/iot/vmp/conf/SipPlatformRunner.java
@@ -2,7 +2,6 @@ package com.genersoft.iot.vmp.conf;
 
 import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
 import com.genersoft.iot.vmp.gb28181.bean.ParentPlatformCatch;
-import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
 import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommanderForPlatform;
 import com.genersoft.iot.vmp.service.IPlatformService;
 import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
@@ -47,7 +46,7 @@ public class SipPlatformRunner implements CommandLineRunner {
             parentPlatformCatch.setId(parentPlatform.getServerGBId());
             redisCatchStorage.updatePlatformCatchInfo(parentPlatformCatch);
             // 设置所有平台离线
-            platformService.offline(parentPlatform);
+            platformService.offline(parentPlatform, true);
             // 取消订阅
             sipCommanderForPlatform.unregister(parentPlatform, null, (eventResult)->{
                 platformService.login(parentPlatform);
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/event/record/RecordEndEventListener.java b/src/main/java/com/genersoft/iot/vmp/gb28181/event/record/RecordEndEventListener.java
index aeca07ab..5c2abb28 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/event/record/RecordEndEventListener.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/record/RecordEndEventListener.java
@@ -5,11 +5,9 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.ApplicationListener;
 import org.springframework.stereotype.Component;
-import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
 
-import java.util.HashMap;
-import java.util.Hashtable;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * @description: 录像查询结束事件
@@ -22,13 +20,12 @@ public class RecordEndEventListener implements ApplicationListener<RecordEndEven
 
     private final static Logger logger = LoggerFactory.getLogger(RecordEndEventListener.class);
 
-    private static Map<String, SseEmitter> sseEmitters = new Hashtable<>();
-
     public interface RecordEndEventHandler{
         void  handler(RecordInfo recordInfo);
     }
 
-    private Map<String, RecordEndEventHandler> handlerMap = new HashMap<>();
+    private Map<String, RecordEndEventHandler> handlerMap = new ConcurrentHashMap<>();
+
     @Override
     public void onApplicationEvent(RecordEndEvent event) {
         logger.info("录像查询完成事件触发，deviceId：{}, channelId: {}, 录像数量{}条", event.getRecordInfo().getDeviceId(),
@@ -38,7 +35,6 @@ public class RecordEndEventListener implements ApplicationListener<RecordEndEven
                 recordEndEventHandler.handler(event.getRecordInfo());
             }
         }
-
     }
 
     public void addEndEventHandler(String device, String channelId, RecordEndEventHandler recordEndEventHandler) {
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/RegisterResponseProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/RegisterResponseProcessor.java
index d0e15831..14d1f84b 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/RegisterResponseProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/RegisterResponseProcessor.java
@@ -100,7 +100,7 @@ public class RegisterResponseProcessor extends SIPResponseProcessorAbstract {
 			if (platformRegisterInfo.isRegister()) {
 				platformService.online(parentPlatform);
 			}else {
-				platformService.offline(parentPlatform);
+				platformService.offline(parentPlatform, false);
 			}
 
 			// 注册/注销成功移除缓存的信息
diff --git a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java
index 50f0113a..7d3510ff 100644
--- a/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java
+++ b/src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java
@@ -169,7 +169,6 @@ public class ZLMRESTfulUtils {
                     .build();
             Response response = client.newCall(request).execute();
             if (response.isSuccessful()) {
-                logger.info("response body contentType: " + Objects.requireNonNull(response.body()).contentType());
                 if (targetPath != null) {
                     File snapFolder = new File(targetPath);
                     if (!snapFolder.exists()) {
diff --git a/src/main/java/com/genersoft/iot/vmp/service/IPlatformService.java b/src/main/java/com/genersoft/iot/vmp/service/IPlatformService.java
index ddc91ebd..17f8b37f 100644
--- a/src/main/java/com/genersoft/iot/vmp/service/IPlatformService.java
+++ b/src/main/java/com/genersoft/iot/vmp/service/IPlatformService.java
@@ -1,13 +1,8 @@
 package com.genersoft.iot.vmp.service;
 
-import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
 import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
-import com.genersoft.iot.vmp.gb28181.bean.SubscribeInfo;
-import com.genersoft.iot.vmp.service.bean.GPSMsgInfo;
 import com.github.pagehelper.PageInfo;
 
-import java.util.List;
-
 /**
  * 国标平台的业务类
  * @author lin
@@ -40,7 +35,7 @@ public interface IPlatformService {
      * 平台离线
      * @param parentPlatform 平台信息
      */
-    void offline(ParentPlatform parentPlatform);
+    void offline(ParentPlatform parentPlatform, boolean stopRegisterTask);
 
     /**
      * 向上级平台发起注册
diff --git a/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java
index fe67ede9..fbc507a6 100644
--- a/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java
@@ -22,7 +22,6 @@ import org.springframework.stereotype.Service;
 
 import javax.sip.InvalidArgumentException;
 import javax.sip.SipException;
-import javax.sip.TimeoutEvent;
 import java.text.ParseException;
 import java.util.HashMap;
 import java.util.List;
@@ -131,20 +130,23 @@ public class PlatformServiceImpl implements IPlatformService {
         }
 
         final String registerTaskKey = REGISTER_KEY_PREFIX + parentPlatform.getServerGBId();
-        if (dynamicTask.contains(registerTaskKey)) {
-            dynamicTask.stop(registerTaskKey);
-        }
-        // 添加注册任务
-        dynamicTask.startDelay(registerTaskKey,
+        if (!dynamicTask.isAlive(registerTaskKey)) {
+            // 添加注册任务
+            dynamicTask.startCron(registerTaskKey,
                 // 注册失败（注册成功时由程序直接调用了online方法）
                 ()-> {
                     try {
-                        commanderForPlatform.register(parentPlatform, eventResult -> offline(parentPlatform),null);
+                        logger.info("[国标级联] 平台：{}注册即将到期，重新注册", parentPlatform.getServerGBId());
+                        commanderForPlatform.register(parentPlatform, eventResult -> {
+                            offline(parentPlatform, false);
+                        },null);
                     } catch (InvalidArgumentException | ParseException | SipException e) {
                         logger.error("[命令发送失败] 国标级联定时注册: {}", e.getMessage());
                     }
                 },
                 (parentPlatform.getExpires() - 10) *1000);
+        }
+
 
         final String keepaliveTaskKey = KEEPALIVE_KEY_PREFIX + parentPlatform.getServerGBId();
         if (!dynamicTask.contains(keepaliveTaskKey)) {
@@ -160,16 +162,11 @@ public class PlatformServiceImpl implements IPlatformService {
                                     // 此时是第三次心跳超时， 平台离线
                                     if (platformCatch.getKeepAliveReply()  == 2) {
                                         // 设置平台离线，并重新注册
-                                        offline(parentPlatform);
                                         logger.info("[国标级联] {}，三次心跳超时后再次发起注册", parentPlatform.getServerGBId());
                                         try {
                                             commanderForPlatform.register(parentPlatform, eventResult1 -> {
                                                 logger.info("[国标级联] {}，三次心跳超时后再次发起注册仍然失败，开始定时发起注册，间隔为1分钟", parentPlatform.getServerGBId());
-                                                // 添加注册任务
-                                                dynamicTask.startCron(registerTaskKey,
-                                                        // 注册失败（注册成功时由程序直接调用了online方法）
-                                                        ()->logger.info("[国标级联] {},平台离线后持续发起注册，失败", parentPlatform.getServerGBId()),
-                                                        60*1000);
+                                                offline(parentPlatform, false);
                                             }, null);
                                         } catch (InvalidArgumentException | ParseException | SipException e) {
                                             logger.error("[命令发送失败] 国标级联 注册: {}", e.getMessage());
@@ -198,7 +195,7 @@ public class PlatformServiceImpl implements IPlatformService {
     }
 
     @Override
-    public void offline(ParentPlatform parentPlatform) {
+    public void offline(ParentPlatform parentPlatform, boolean stopRegister) {
         logger.info("[平台离线]：{}", parentPlatform.getServerGBId());
         ParentPlatformCatch parentPlatformCatch = redisCatchStorage.queryPlatformCatchInfo(parentPlatform.getServerGBId());
         parentPlatformCatch.setKeepAliveReply(0);
@@ -212,11 +209,13 @@ public class PlatformServiceImpl implements IPlatformService {
         // 停止所有推流
         logger.info("[平台离线] {}, 停止所有推流", parentPlatform.getServerGBId());
         stopAllPush(parentPlatform.getServerGBId());
-        // 清除注册定时
-        logger.info("[平台离线] {}, 停止定时注册任务", parentPlatform.getServerGBId());
-        final String registerTaskKey = REGISTER_KEY_PREFIX + parentPlatform.getServerGBId();
-        if (dynamicTask.contains(registerTaskKey)) {
-            dynamicTask.stop(registerTaskKey);
+        if (stopRegister) {
+            // 清除注册定时
+            logger.info("[平台离线] {}, 停止定时注册任务", parentPlatform.getServerGBId());
+            final String registerTaskKey = REGISTER_KEY_PREFIX + parentPlatform.getServerGBId();
+            if (dynamicTask.contains(registerTaskKey)) {
+                dynamicTask.stop(registerTaskKey);
+            }
         }
         // 清除心跳定时
         logger.info("[平台离线] {}, 停止定时发送心跳任务", parentPlatform.getServerGBId());