diff --git a/src/EngineEntrance.js b/src/EngineEntrance.js
index 2cc71f4..18eb480 100644
--- a/src/EngineEntrance.js
+++ b/src/EngineEntrance.js
@@ -63,7 +63,7 @@ export default class MessageEntrance extends Emiter {
     super();
     this.lastClassActiveTime=0;//最后一次课堂激活的时间戳
     //sdk 信息
-    GlobalConfig.sdkVersion = "v2.38.3.201712011";
+    GlobalConfig.sdkVersion = "v2.38.5.201712011";
     loger.warn("sdkVersion:" + GlobalConfig.sdkVersion);
     console.log("sdkVersion:" + GlobalConfig.sdkVersion);
     //设置
diff --git a/src/apes/AudioApe.js b/src/apes/AudioApe.js
index 91f02bd..45c3edd 100644
--- a/src/apes/AudioApe.js
+++ b/src/apes/AudioApe.js
@@ -518,7 +518,7 @@ class AudioApe extends Ape {
     packPduModel.screenHeight = _param.screenHeight || GlobalConfig.screenHeight;
     packPduModel.deviceType = _param.deviceType || GlobalConfig.deviceType;
     packPduModel.optionJsonData = GlobalConfig.optionJsonData;
-    packPduModel.sendTimestamp =EngineUtils.creatNowTime()- GlobalConfig.serverAndLoacTimeDistanc*1000;//当前时间减去服务器时间差
+    packPduModel.sendTimestamp =parseInt(EngineUtils.creatTimestamp()- GlobalConfig.serverAndLoacTimeDistanc);//当前时间减去服务器时间差
     loger.log("packPdu------>", packPduModel);
     return packPduModel;
   }
diff --git a/src/apes/VideoApe.js b/src/apes/VideoApe.js
index f75742c..d2eaed6 100644
--- a/src/apes/VideoApe.js
+++ b/src/apes/VideoApe.js
@@ -886,7 +886,7 @@ class VideoApe extends Ape {
     packPduModel.screenHeight = _param.screenHeight || GlobalConfig.screenHeight;
     packPduModel.deviceType = _param.deviceType || GlobalConfig.deviceType;
     packPduModel.optionJsonData = GlobalConfig.optionJsonData;
-    packPduModel.sendTimestamp =EngineUtils.creatNowTime()- GlobalConfig.serverAndLoacTimeDistanc*1000;//当前时间减去服务器时间差
+    packPduModel.sendTimestamp =parseInt(EngineUtils.creatTimestamp()- GlobalConfig.serverAndLoacTimeDistanc);//当前时间减去服务器时间差
     loger.log('packPdu--------------->', packPduModel);
     return packPduModel;
   }
diff --git a/src/pdus/pro.js b/src/pdus/pro.js
index 66256bf..012eafc 100644
--- a/src/pdus/pro.js
+++ b/src/pdus/pro.js
@@ -841,7 +841,7 @@ message RCAudioChannelInfoPdu {
     optional string m3u8Url =17;//m3u8拉流地址
     optional string rtmpUrl =18;//rtmp拉流地址
     optional string replay =19;//回放的拉流地址
-    optional uint64 sendTimestamp =20;//发送消息的时间戳
+    optional uint32 sendTimestamp =20;//发送消息的时间戳
 }
 
 message RCVideoChannelInfoPdu {
@@ -864,7 +864,7 @@ message RCVideoChannelInfoPdu {
     optional string m3u8Url =17;//m3u8拉流地址
     optional string rtmpUrl =18;//rtmp拉流地址
     optional string replay =19;//回放的拉流地址
-    optional uint64 sendTimestamp =20;//发送消息的时间戳
+    optional uint32 sendTimestamp =20;//发送消息的时间戳
 }
 
 message RCVideoChannelInfoRecordPdu {