Update sdk maven url

lib/src/manager/im_conversation_manager.dart

@@ -12,17 +12,20 @@ class ConversationManager {
   ConversationManager(this._channel);
 
   /// Observe conversation changes
+  /// 会话监听
   Future setConversationListener(ConversationListener listener) {
     this.conversationListener = listener;
     return _channel.invokeMethod('setConversationListener', _buildParam({}));
   }
 
   /// Get all conversations
+  /// 获取所有会话
   Future<List<ConversationInfo>> getAllConversationList() => _channel
       .invokeMethod('getAllConversationList', _buildParam({}))
       .then((value) => _toList(value));
 
   /// Paging to get conversation
+  /// 分页获取会话, [offset]下次获取开始index
   Future<List<ConversationInfo>> getConversationListSplit({
     int offset = 0,
     int count = 20,
@@ -39,6 +42,9 @@ class ConversationManager {
   /// Get a single conversation info
   /// [sourceID]  if it is a single chat, Its value is userID. if it is a group chat, Its value is groupID
   /// [sessionType]  if it is a single chat, it value is 1. if it is a group chat, it value is 2
+  /// 获取单个会话
+  /// [sourceID]如果是单聊值传用户id，如果是群聊值传组id
+  /// [sessionType]如果是单聊值传1，如果是群聊值传2
   Future<ConversationInfo> getSingleConversation({
     required String sourceID,
     required int sessionType,
@@ -53,6 +59,7 @@ class ConversationManager {
           .then((value) => _toObj(value));
 
   /// Get conversation list by id list
+  /// 获取多个会话
   Future<List<ConversationInfo>> getMultipleConversation({
     required List<String> conversationIDList,
   }) =>
@@ -65,6 +72,7 @@ class ConversationManager {
           .then((value) => _toList(value));
 
   /// Delete conversation by id
+  /// 删除会话
   Future deleteConversation({
     required String conversationID,
   }) =>
@@ -77,6 +85,7 @@ class ConversationManager {
           .then((value) => _printValue(value));
 
   /// Set draft
+  /// 设置会话草稿
   Future setConversationDraft({
     required String conversationID,
     required String draftText,
@@ -91,6 +100,7 @@ class ConversationManager {
           .then((value) => _printValue(value));
 
   /// Pinned conversation
+  /// 置顶会话
   Future pinConversation({
     required String conversationID,
     required bool isPinned,
@@ -105,22 +115,28 @@ class ConversationManager {
           .then((value) => _printValue(value));
 
   /// Mark single chat messages as read
+  /// 标记单聊已读
   Future<dynamic> markSingleMessageHasRead({required String userID}) =>
       _channel.invokeMethod(
           'markSingleMessageHasRead', _buildParam({'userID': userID}));
 
   /// Mark group chat messages as read
+  /// 标记群聊已读
   Future<dynamic> markGroupMessageHasRead({required String groupID}) =>
       _channel.invokeMethod(
           'markGroupMessageHasRead', _buildParam({'groupID': groupID}));
 
   /// Get the total number of unread messages
+  /// 获取未读消息总数
   Future<dynamic> getTotalUnreadMsgCount() =>
       _channel.invokeMethod('getTotalUnreadMsgCount', _buildParam({}));
 
   /// Query conversation id
   /// [sourceID] : if it is a single chat, Its value is userID. if it is a group chat, Its value is groupID
   /// [sessionType] : if it is a single chat, it value is 1. if it is a group chat, it value is 2
+  /// 查询会话id
+  /// [sourceID]如果是单聊值传用户id，如果是群聊值传组id
+  /// [sessionType]如果是单聊值传1，如果是群聊值传2
   Future<dynamic> getConversationID({
     required String sourceID,
     required int sessionType,
@@ -133,7 +149,9 @@ class ConversationManager {
           }));
 
   /// Message Do Not Disturb
-  /// [ status ] 1: Do not receive messages, 2: Do not notify when messages are received; 0: Normal
+  /// [status] 1: Do not receive messages, 2: Do not notify when messages are received; 0: Normal
+  /// 消息免打扰设置
+  /// [status] 1：不接受消息；2：接受在线消息不接受离线消息；3：正常
   Future<dynamic> setConversationRecvMessageOpt({
     required List<String> conversationIDList,
     required int status,
@@ -147,6 +165,7 @@ class ConversationManager {
 
   /// Message Do Not Disturb
   /// [{"conversationId":"single_13922222222","result":0}]
+  /// 查询免打扰状态
   Future<List<dynamic>> getConversationRecvMessageOpt({
     required List<String> conversationIDList,
   }) =>
@@ -159,6 +178,7 @@ class ConversationManager {
           .then((value) => _formatJson(value));
 
   /// Custom sort for conversation list
+  /// 会话列表自定义排序规则
   List<ConversationInfo> simpleSort(List<ConversationInfo> list) => list
     ..sort((a, b) {
       if ((a.isPinned == 1 && b.isPinned == 1) ||