diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/MessageRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/MessageRequestProcessor.java
index 91ea5f11..cbb7def3 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/MessageRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/MessageRequestProcessor.java
@@ -86,7 +86,10 @@ public class MessageRequestProcessor extends SIPRequestProcessorParent implement
             try {
                 rootElement = getRootElement(evt);
                 if (rootElement != null) {
-                    deviceId = getText(rootElement, "DeviceID");
+                String cmdType = getText(rootElement, "CmdType");
+                    if(cmdType.equalsIgnoreCase("MediaStatus")){
+                        deviceId = getText(rootElement, "DeviceID");
+                    }
                 }
             } catch (Exception ignore) {}
         }