diff --git a/common/src/main/java/cn/wildfirechat/pojos/OutputGetChannelInfo.java b/common/src/main/java/cn/wildfirechat/pojos/OutputGetChannelInfo.java
index 961fb4bb..4a7aa177 100755
--- a/common/src/main/java/cn/wildfirechat/pojos/OutputGetChannelInfo.java
+++ b/common/src/main/java/cn/wildfirechat/pojos/OutputGetChannelInfo.java
@@ -19,12 +19,11 @@ public class OutputGetChannelInfo {
     private String extra;
     private String owner;
     private int state;
-    //此字段已经废弃，为了兼容旧的SDK版本，以后会移除
-    @Deprecated()
     private int status;
     private long updateDt;
     private String callback;
     private int automatic;
+    private String secret;
 
 
     public String getChannelId() {
@@ -115,6 +114,14 @@ public class OutputGetChannelInfo {
         this.status = status;
     }
 
+    public String getSecret() {
+        return secret;
+    }
+
+    public void setSecret(String secret) {
+        this.secret = secret;
+    }
+
     public static OutputGetChannelInfo fromPbInfo(WFCMessage.ChannelInfo channelInfo) {
         OutputGetChannelInfo out = new OutputGetChannelInfo();
         out.automatic = channelInfo.getAutomatic();
@@ -126,8 +133,9 @@ public class OutputGetChannelInfo {
         out.owner = channelInfo.getOwner();
         out.portrait = channelInfo.getPortrait();
         out.state = channelInfo.getStatus();
-        out.status = out.state;
+        out.status = channelInfo.getStatus();;
         out.updateDt = channelInfo.getUpdateDt();
+        out.secret = channelInfo.getSecret();
         return out;
     }
 }
diff --git a/common/src/main/java/cn/wildfirechat/pojos/PojoConferenceCreate.java b/common/src/main/java/cn/wildfirechat/pojos/PojoConferenceCreate.java
index 4885c91e..5914bb3d 100644
--- a/common/src/main/java/cn/wildfirechat/pojos/PojoConferenceCreate.java
+++ b/common/src/main/java/cn/wildfirechat/pojos/PojoConferenceCreate.java
@@ -8,4 +8,5 @@ public class PojoConferenceCreate {
     public int bitrate;
     public boolean advance;
     public boolean recording;
+    public boolean permanent;
 }
diff --git a/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java b/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
index 054036d8..35ed261e 100644
--- a/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
+++ b/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
@@ -129,7 +129,7 @@ public class ProtoConstants {
     //第3位表示是否允许给非订阅用户发送消息
     //第4位表示是否私有，不可以被用户搜索和主动订阅
     //第6位表示是否删除
-    //第8位表示是否是全局频道，全局频道没有订阅关系，会发送给系统内所有成员。
+    //第8位表示是否是全局频道，全局频道没有订阅关系，会发送给系统内所有成员。可以给非订阅用户单独发消息。
     public interface ChannelState {
         int Channel_State_Mask_FullInfo = 0x01;
         int Channel_State_Mask_Unsubscribed_User_Access = 0x02;
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/ConferenceAdmin.java b/sdk/src/main/java/cn/wildfirechat/sdk/ConferenceAdmin.java
index 7a8909fa..6793277e 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/ConferenceAdmin.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/ConferenceAdmin.java
@@ -17,7 +17,7 @@ public class ConferenceAdmin {
         return AdminHttpUtils.httpJsonPost(path, data, PojoConferenceParticipantList.class);
     }
 
-    public static IMResult<Void> createRoom(String roomId, String description, String pin, int maxPublisher, boolean advance, int bitrate, boolean recording) throws Exception {
+    public static IMResult<Void> createRoom(String roomId, String description, String pin, int maxPublisher, boolean advance, int bitrate, boolean recording, boolean permanent) throws Exception {
         String path = APIPath.Conference_Create;
         PojoConferenceCreate create = new PojoConferenceCreate();
         create.roomId = roomId;
@@ -27,6 +27,7 @@ public class ConferenceAdmin {
         create.advance = advance;
         create.bitrate = bitrate;
         create.recording = recording;
+        create.permanent = permanent;
         return AdminHttpUtils.httpJsonPost(path, create, Void.class);
     }
 
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/Main.java b/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
index 51c25f40..56a10959 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
@@ -20,6 +20,7 @@ import static cn.wildfirechat.proto.ProtoConstants.SystemSettingType.Group_Max_M
 
 public class Main {
     private static boolean commercialServer = false;
+    private static boolean advanceVoip = false;
     //管理端口是8080
     private static String AdminUrl = "http://localhost:18080";
     private static String AdminSecret = "123456";
@@ -51,6 +52,8 @@ public class Main {
         testSensitiveApi();
         if (commercialServer) {
             testDevice();
+        }
+        if(advanceVoip) {
             testConference();
         }
 
@@ -1522,7 +1525,7 @@ public class Main {
             System.out.println("conference list " + listResult.getResult().conferenceInfoList);
         }
 
-        IMResult<Void> createResult = ConferenceAdmin.createRoom("helloroomid", "hello room description", "123456", 9, false, 0, false);
+        IMResult<Void> createResult = ConferenceAdmin.createRoom("helloroomid", "hello room description", "123456", 9, false, 0, false, true);
         if(createResult == null || createResult.getErrorCode() != ErrorCode.ERROR_CODE_SUCCESS) {
             System.out.println("create conference failure");
             System.exit(-1);
@@ -1530,7 +1533,7 @@ public class Main {
             System.out.println("create conference");
         }
 
-        createResult = ConferenceAdmin.createRoom("helloroomid2", "hello room description advanced", "123456", 20, true, 0, false);
+        createResult = ConferenceAdmin.createRoom("helloroomid2", "hello room description advanced", "123456", 20, true, 0, false, true);
         if(createResult == null || createResult.getErrorCode() != ErrorCode.ERROR_CODE_SUCCESS) {
             System.out.println("create conference failure");
             System.exit(-1);