diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/NotifyRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/NotifyRequestProcessor.java
index e923a54a..40b9a9ae 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/NotifyRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/NotifyRequestProcessor.java
@@ -18,6 +18,7 @@ import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
 import com.genersoft.iot.vmp.gb28181.utils.XmlUtil;
 import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
 import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
+import com.genersoft.iot.vmp.utils.DateUtil;
 import com.genersoft.iot.vmp.utils.redis.RedisUtil;
 import org.dom4j.DocumentException;
 import org.dom4j.Element;
@@ -188,6 +189,7 @@ public class NotifyRequestProcessor extends SIPRequestProcessorParent implements
 
 			Device device = redisCatchStorage.getDevice(deviceId);
 			if (device == null) {
+				responseAck(evt, Response.NOT_FOUND, "device is not found");
 				return;
 			}
 			rootElement = getRootElement(evt, device.getCharset());
@@ -195,7 +197,12 @@ public class NotifyRequestProcessor extends SIPRequestProcessorParent implements
 			deviceAlarm.setDeviceId(deviceId);
 			deviceAlarm.setAlarmPriority(XmlUtil.getText(rootElement, "AlarmPriority"));
 			deviceAlarm.setAlarmMethod(XmlUtil.getText(rootElement, "AlarmMethod"));
-			deviceAlarm.setAlarmTime(XmlUtil.getText(rootElement, "AlarmTime"));
+			String alarmTime = XmlUtil.getText(rootElement, "AlarmTime");
+			if (alarmTime == null) {
+				responseAck(evt, Response.BAD_REQUEST, "AlarmTime cannot be null");
+				return;
+			}
+			deviceAlarm.setAlarmTime(DateUtil.ISO8601Toyyyy_MM_dd_HH_mm_ss(alarmTime));
 			if (XmlUtil.getText(rootElement, "AlarmDescription") == null) {
 				deviceAlarm.setAlarmDescription("");
 			} else {
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/AlarmNotifyMessageHandler.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/AlarmNotifyMessageHandler.java
index b7e222df..6a23dfa1 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/AlarmNotifyMessageHandler.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/notify/cmd/AlarmNotifyMessageHandler.java
@@ -9,9 +9,11 @@ import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessag
 import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.NotifyMessageHandler;
 import com.genersoft.iot.vmp.gb28181.utils.Coordtransform;
 import com.genersoft.iot.vmp.gb28181.utils.NumericUtil;
+import com.genersoft.iot.vmp.gb28181.utils.XmlUtil;
 import com.genersoft.iot.vmp.service.IDeviceAlarmService;
 import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
 import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
+import com.genersoft.iot.vmp.utils.DateUtil;
 import org.dom4j.Element;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -84,7 +86,11 @@ public class AlarmNotifyMessageHandler extends SIPRequestProcessorParent impleme
         deviceAlarm.setChannelId(channelId);
         deviceAlarm.setAlarmPriority(getText(rootElement, "AlarmPriority"));
         deviceAlarm.setAlarmMethod(getText(rootElement, "AlarmMethod"));
-        deviceAlarm.setAlarmTime(getText(rootElement, "AlarmTime"));
+        String alarmTime = XmlUtil.getText(rootElement, "AlarmTime");
+        if (alarmTime == null) {
+            return;
+        }
+        deviceAlarm.setAlarmTime(DateUtil.ISO8601Toyyyy_MM_dd_HH_mm_ss(alarmTime));
         String alarmDescription = getText(rootElement, "AlarmDescription");
         if (alarmDescription == null) {
             deviceAlarm.setAlarmDescription("");
@@ -175,7 +181,11 @@ public class AlarmNotifyMessageHandler extends SIPRequestProcessorParent impleme
         deviceAlarm.setChannelId(channelId);
         deviceAlarm.setAlarmPriority(getText(rootElement, "AlarmPriority"));
         deviceAlarm.setAlarmMethod(getText(rootElement, "AlarmMethod"));
-        deviceAlarm.setAlarmTime(getText(rootElement, "AlarmTime"));
+        String alarmTime = XmlUtil.getText(rootElement, "AlarmTime");
+        if (alarmTime == null) {
+            return;
+        }
+        deviceAlarm.setAlarmTime(DateUtil.ISO8601Toyyyy_MM_dd_HH_mm_ss(alarmTime));
         String alarmDescription = getText(rootElement, "AlarmDescription");
         if (alarmDescription == null) {
             deviceAlarm.setAlarmDescription("");
diff --git a/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/alarm/AlarmController.java b/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/alarm/AlarmController.java
index 0edec510..509c988c 100644
--- a/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/alarm/AlarmController.java
+++ b/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/alarm/AlarmController.java
@@ -69,8 +69,8 @@ public class AlarmController {
             @ApiImplicitParam(name="alarmMethod", value = "查询内容" ,dataTypeClass = String.class),
             @ApiImplicitParam(name="alarmMethod", value = "查询内容" ,dataTypeClass = String.class),
             @ApiImplicitParam(name="alarmType", value = "查询内容" ,dataTypeClass = String.class),
-            @ApiImplicitParam(name="startTime", value = "查询内容" ,dataTypeClass = String.class),
-            @ApiImplicitParam(name="endTime", value = "查询内容" ,dataTypeClass = String.class),
+            @ApiImplicitParam(name="startTime", value = "开始时间" ,dataTypeClass = String.class),
+            @ApiImplicitParam(name="endTime", value = "结束时间" ,dataTypeClass = String.class),
     })
     public ResponseEntity<PageInfo<DeviceAlarm>> getAll(
                                              @RequestParam int page,