diff --git a/distribution/src/main/files/release_note.md b/distribution/src/main/files/release_note.md
index 5777e3753..388a153a8 100644
--- a/distribution/src/main/files/release_note.md
+++ b/distribution/src/main/files/release_note.md
@@ -17,6 +17,7 @@ Release note 0.97:
 1. 升级部分依赖库到最新版本
 2. 添加名片消息默认推送信息
 3. 添加deb和rpm格式软件包
+4. 解决linux平台多端的问题
 
 --------------
 Release note 0.96:
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java b/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java
index 63aa86b87..a4839ad8a 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java
@@ -33,6 +33,7 @@ public static IMResult<Void> recallMessage(String operator, long messageUid) thr
         return AdminHttpUtils.httpJsonPost(path, messageData, Void.class);
     }
 
+    //仅专业版支持
     public static IMResult<Void> deleteMessage(long messageUid) throws Exception {
         String path = APIPath.Msg_Delete;
         DeleteMessageData deleteMessageData = new DeleteMessageData();
@@ -40,12 +41,14 @@ public static IMResult<Void> deleteMessage(long messageUid) throws Exception {
         return AdminHttpUtils.httpJsonPost(path, deleteMessageData, Void.class);
     }
 
+    //仅专业版支持
     public static IMResult<Void> clearUserMessages(String userId, Conversation conversation, long fromTime, long toTime) throws Exception {
         String path = APIPath.Msg_Clear_By_User;
         InputClearUserMessages clearUserMessages = new InputClearUserMessages(userId, conversation, fromTime, toTime);
         return AdminHttpUtils.httpJsonPost(path, clearUserMessages, Void.class);
     }
 
+    //仅专业版支持
     public static IMResult<Void> updateMessageContent(String operator, long messageUid, MessagePayload payload, boolean distribute) throws Exception {
         String path = APIPath.Msg_Update;
         UpdateMessageContentData updateMessageContentData = new UpdateMessageContentData();
@@ -57,6 +60,7 @@ public static IMResult<Void> updateMessageContent(String operator, long messageU
         return AdminHttpUtils.httpJsonPost(path, updateMessageContentData, Void.class);
     }
 
+    //仅专业版支持
     public static IMResult<Void> clearConversation(String userId, Conversation conversation) throws Exception {
         String path = APIPath.Conversation_Delete;
         InputUserConversation input = new InputUserConversation();