diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/RegisterRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/RegisterRequestProcessor.java
index 4f5f96a7..594c41a1 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/RegisterRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/RegisterRequestProcessor.java
@@ -12,6 +12,7 @@ import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorP
 import com.genersoft.iot.vmp.service.IDeviceService;
 import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
 import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
+import com.genersoft.iot.vmp.utils.DateUtil;
 import gov.nist.javax.sip.RequestEventExt;
 import gov.nist.javax.sip.address.AddressImpl;
 import gov.nist.javax.sip.address.SipUri;
@@ -176,6 +177,7 @@ public class RegisterRequestProcessor extends SIPRequestProcessorParent implemen
             // 保存到redis
             if (registerFlag) {
                 logger.info("[{}] 注册成功! deviceId:" + deviceId, requestAddress);
+                device.setRegisterTime(DateUtil.getNow());
                 deviceService.online(device);
             } else {
                 logger.info("[{}] 注销成功! deviceId:" + deviceId, requestAddress);
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
index 56a4c49b..a6280831 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/KeepaliveNotifyMessageHandler.java
@@ -72,6 +72,7 @@ public class KeepaliveNotifyMessageHandler extends SIPRequestProcessorParent imp
                         device.setPort(rPort);
                         device.setHostAddress(received.concat(":").concat(String.valueOf(rPort)));
                     }
+                    device.setKeepaliveTime(DateUtil.getNow());
                     deviceService.online(device);
                     // 回复200 OK
                     responseAck(evt, Response.OK);
diff --git a/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java
index 2bf1b276..9ac4d316 100644
--- a/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java
@@ -76,12 +76,7 @@ public class DeviceServiceImpl implements IDeviceService {
             redisCatchStorage.clearCatchByDeviceId(device.getDeviceId());
 
         }
-        if (device.getRegisterTime() == null) {
-            device.setRegisterTime(now);
-        }
-        if(device.getUpdateTime() == null) {
-            device.setUpdateTime(now);
-        }
+        device.setUpdateTime(now);
         device.setOnline(1);
 
         // 第一次上线