diff --git a/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java b/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
index 253904ce..06d62df4 100644
--- a/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
+++ b/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
@@ -51,12 +51,11 @@ public class ProxyServletConfig {
         @Override
         protected String rewriteQueryStringFromRequest(HttpServletRequest servletRequest, String queryString) {
             String queryStr = super.rewriteQueryStringFromRequest(servletRequest, queryString);
-            if (queryStr != null) {
-                queryStr += "&";
+            if (!StringUtils.isEmpty(queryStr)) {
+                queryStr += "&secret=" + mediaConfig.getSecret();
             }else {
-                queryStr = "?";
+                queryStr = "secret=" + mediaConfig.getSecret();
             }
-            queryStr += "secret=" + mediaConfig.getSecret();
             return queryStr;
         }
 
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/request/impl/RegisterRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/request/impl/RegisterRequestProcessor.java
index aa501d93..574f9c75 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/request/impl/RegisterRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/request/impl/RegisterRequestProcessor.java
@@ -77,6 +77,9 @@ public class RegisterRequestProcessor extends SIPRequestAbstractProcessor {
 				passwordCorrect = new DigestServerAuthenticationHelper().doAuthenticatePlainTextPassword(request,
 						sipConfig.getSipPassword());
 			}
+			if (StringUtils.isEmpty(sipConfig.getSipPassword())){
+				passwordCorrect = true;
+			}
 
 			// 未携带授权头或者密码错误 回复401
 			if (authorhead == null || !passwordCorrect) {