diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
index 9ac1c6aa..8e607ecc 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
@@ -1106,7 +1106,9 @@ public class SIPCommander implements ISIPCommander {
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, eventResult -> {
             messageSubscribe.removeSubscribe(messageEvent.getKey());
-            callback.run(ErrorCode.ERROR100.getCode(), "失败，" + eventResult.msg, null);
+            if (callback !=  null) {
+                callback.run(ErrorCode.ERROR100.getCode(), "失败，" + eventResult.msg, null);
+            }
         });
     }
 
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/ResponseMessageHandler.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/ResponseMessageHandler.java
index 6801622c..6a1349d4 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/ResponseMessageHandler.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/ResponseMessageHandler.java
@@ -45,7 +45,7 @@ public class ResponseMessageHandler extends MessageHandlerAbstract implements In
         String cmd = getText(element, "CmdType");
         String sn = getText(element, "SN");
         MessageEvent<Object> subscribe = (MessageEvent<Object>)messageSubscribe.getSubscribe(cmd + sn);
-        if (subscribe != null) {
+        if (subscribe != null && subscribe.getCallback() != null) {
             String result = getText(element, "Result");
             if (result == null || "OK".equalsIgnoreCase(result) || data != null) {
                 subscribe.getCallback().run(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), data);