diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderPlarformProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderPlarformProvider.java
index fe130a549..8f4f1a4a0 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderPlarformProvider.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderPlarformProvider.java
@@ -10,6 +10,7 @@ import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
 import com.genersoft.iot.vmp.utils.GitUtil;
 import gov.nist.javax.sip.message.MessageFactoryImpl;
 import gov.nist.javax.sip.message.SIPRequest;
+import org.apache.commons.lang3.ObjectUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.springframework.util.DigestUtils;
@@ -36,7 +37,7 @@ public class SIPRequestHeaderPlarformProvider {
 
 	@Autowired
 	private SipConfig sipConfig;
-	
+
 	@Autowired
 	private SipLayer sipLayer;
 
@@ -96,8 +97,7 @@ public class SIPRequestHeaderPlarformProvider {
 		if (www == null) {
 			AuthorizationHeader authorizationHeader = SipFactory.getInstance().createHeaderFactory().createAuthorizationHeader("Digest");
 			String username = parentPlatform.getUsername();
-			if ( username == null || username == "" )
-			{
+			if (ObjectUtils.isEmpty(username)){
 				authorizationHeader.setUsername(parentPlatform.getDeviceGBId());
 			} else {
 				authorizationHeader.setUsername(username);
@@ -148,7 +148,12 @@ public class SIPRequestHeaderPlarformProvider {
 		String RESPONSE = DigestUtils.md5DigestAsHex(reStr.toString().getBytes());
 
 		AuthorizationHeader authorizationHeader = SipFactory.getInstance().createHeaderFactory().createAuthorizationHeader(scheme);
-		authorizationHeader.setUsername(parentPlatform.getDeviceGBId());
+		String username = parentPlatform.getUsername();
+		if (ObjectUtils.isEmpty(username)){
+			authorizationHeader.setUsername(parentPlatform.getDeviceGBId());
+		} else {
+			authorizationHeader.setUsername(username);
+		}
 		authorizationHeader.setRealm(realm);
 		authorizationHeader.setNonce(nonce);
 		authorizationHeader.setURI(requestURI);