diff --git a/src/main/java/com/genersoft/iot/vmp/conf/SipConfig.java b/src/main/java/com/genersoft/iot/vmp/conf/SipConfig.java
index 709fe9c1..2d307925 100644
--- a/src/main/java/com/genersoft/iot/vmp/conf/SipConfig.java
+++ b/src/main/java/com/genersoft/iot/vmp/conf/SipConfig.java
@@ -1,9 +1,7 @@
 package com.genersoft.iot.vmp.conf;
 
 
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.context.properties.ConfigurationProperties;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.stereotype.Component;
 
 @Component
@@ -27,7 +25,7 @@ public class SipConfig {
 	
 	Integer ptzSpeed = 50;
 
-	Integer keepaliveTimeOut = 180;
+	Integer keepaliveTimeOut = 255;
 
 	Integer registerTimeInterval = 60;
 
diff --git a/src/main/resources/all-application.yml b/src/main/resources/all-application.yml
index f2d85ec0..e7d68106 100644
--- a/src/main/resources/all-application.yml
+++ b/src/main/resources/all-application.yml
@@ -73,7 +73,7 @@ sip:
     # [可选] 默认设备认证密码，后续扩展使用设备单独密码, 移除密码将不进行校验
     password: admin123
     # [可选] 心跳超时时间， 建议设置为心跳周期的三倍
-    keepalive-timeout: 180
+    keepalive-timeout: 255
     # [可选] 国标级联注册失败，再次发起注册的时间间隔。 默认60秒
     register-time-interval: 60
     # [可选] 云台控制速度