diff --git a/android/build.gradle b/android/build.gradle
index a73f288..355ef99 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -53,5 +53,5 @@ dependencies {
     // 本地依赖，现将aar复制到libs/io/openim/core-sdk/0.0.1/ 下，命名core-sdk-0.0.1.aar
 //    implementation 'io.openim:core-sdk:0.0.1@aar'
 //    api 'io.openim:core-sdk:2.3.5-t44@aar'
-    implementation 'io.openim:core-sdk:3.0.0-beta06@aar'
+    implementation 'io.openim:core-sdk:3.0.0-beta08@aar'
 }
\ No newline at end of file
diff --git a/lib/flutter_openim_sdk.dart b/lib/flutter_openim_sdk.dart
index 57726f3..b3545cd 100644
--- a/lib/flutter_openim_sdk.dart
+++ b/lib/flutter_openim_sdk.dart
@@ -7,6 +7,7 @@ export 'src/enum/group_type.dart';
 export 'src/enum/group_verification.dart';
 export 'src/enum/im_platform.dart';
 export 'src/enum/listener_type.dart';
+export 'src/enum/login_status.dart';
 export 'src/enum/message_status.dart';
 export 'src/enum/message_type.dart';
 export 'src/enum/sdk_error_code.dart';
diff --git a/lib/src/enum/login_status.dart b/lib/src/enum/login_status.dart
new file mode 100644
index 0000000..92dac53
--- /dev/null
+++ b/lib/src/enum/login_status.dart
@@ -0,0 +1,5 @@
+class LoginStatus {
+  static const logout = 1;
+  static const logging = 2;
+  static const logged = 3;
+}
diff --git a/lib/src/enum/sdk_error_code.dart b/lib/src/enum/sdk_error_code.dart
index de63dae..df63105 100644
--- a/lib/src/enum/sdk_error_code.dart
+++ b/lib/src/enum/sdk_error_code.dart
@@ -8,7 +8,6 @@ class MessageFailedCode {
 
   /// 已被移除群聊/群已解散
   static const int notInGroup = 1205;
-
 }
 
 /// 添加好友失败
diff --git a/lib/src/manager/im_conversation_manager.dart b/lib/src/manager/im_conversation_manager.dart
index 758562c..c6e67df 100644
--- a/lib/src/manager/im_conversation_manager.dart
+++ b/lib/src/manager/im_conversation_manager.dart
@@ -73,13 +73,13 @@ class ConversationManager {
   }) =>
       _channel
           .invokeMethod(
-          'getMultipleConversation',
-          _buildParam({
-            "conversationIDList": conversationIDList,
-            "operationID": Utils.checkOperationID(operationID),
-          }))
+              'getMultipleConversation',
+              _buildParam({
+                "conversationIDList": conversationIDList,
+                "operationID": Utils.checkOperationID(operationID),
+              }))
           .then((value) =>
-          Utils.toList(value, (map) => ConversationInfo.fromJson(map)));
+              Utils.toList(value, (map) => ConversationInfo.fromJson(map)));
 
   /// 设置会话草稿
   /// [conversationID] 会话id
@@ -314,20 +314,20 @@ class ConversationManager {
             : a.latestMsgSendTime!;
         int bCompare = b.draftTextTime! > b.latestMsgSendTime!
             ? b.draftTextTime!
-                : b.latestMsgSendTime!;
-            if (aCompare > bCompare) {
-              return -1;
-            } else if (aCompare < bCompare) {
-              return 1;
-            } else {
-              return 0;
-            }
-          } else if (a.isPinned == true && b.isPinned != true) {
-            return -1;
-          } else {
-            return 1;
-          }
-        });
+            : b.latestMsgSendTime!;
+        if (aCompare > bCompare) {
+          return -1;
+        } else if (aCompare < bCompare) {
+          return 1;
+        } else {
+          return 0;
+        }
+      } else if (a.isPinned == true && b.isPinned != true) {
+        return -1;
+      } else {
+        return 1;
+      }
+    });
 
   static Map _buildParam(Map param) {
     param["ManagerName"] = "conversationManager";
diff --git a/lib/src/manager/im_manager.dart b/lib/src/manager/im_manager.dart
index 61a7060..3330dd1 100644
--- a/lib/src/manager/im_manager.dart
+++ b/lib/src/manager/im_manager.dart
@@ -467,10 +467,10 @@ class IMManager {
     required OnConnectListener listener,
     int logLevel = 6,
     String objectStorage = 'cos',
-    String? encryptionKey,
-    bool isNeedEncryption = false,
-    bool isCompression = false,
-    bool isExternalExtensions = false,
+    // String? encryptionKey,
+    // bool isNeedEncryption = false,
+    // bool isCompression = false,
+    // bool isExternalExtensions = false,
     bool isLogStandardOutput = true,
     String? logFilePath,
     String? operationID,
@@ -487,10 +487,10 @@ class IMManager {
             "dataDir": dataDir,
             "logLevel": logLevel,
             "objectStorage": objectStorage,
-            "encryptionKey": encryptionKey,
-            "isNeedEncryption": isNeedEncryption,
-            "isCompression": isCompression,
-            "isExternalExtensions": isExternalExtensions,
+            // "encryptionKey": encryptionKey,
+            // "isNeedEncryption": isNeedEncryption,
+            // "isCompression": isCompression,
+            // "isExternalExtensions": isExternalExtensions,
             "isLogStandardOutput": isLogStandardOutput,
             "logFilePath": logFilePath,
             "operationID": Utils.checkOperationID(operationID),
@@ -499,7 +499,7 @@ class IMManager {
   }
 
   /// 登录
-  /// [uid] 用户id
+  /// [userID] 用户id
   /// [token] 登录token，从业务服务器上获取
   /// [defaultValue] 获取失败后使用的默认值
   Future<UserInfo> login({
@@ -507,15 +507,23 @@ class IMManager {
     required String token,
     String? operationID,
     Future<UserInfo> Function()? defaultValue,
+    bool checkLoginStatus = true,
   }) async {
-    await _channel.invokeMethod(
-      'login',
-      _buildParam({
-        'userID': userID,
-        'token': token,
-        'operationID': Utils.checkOperationID(operationID),
-      }),
-    );
+    int? status;
+    if (checkLoginStatus) {
+      // 1: logout 2: logging  3:logged
+      status = await getLoginStatus();
+    }
+    if (status != LoginStatus.logging && status != LoginStatus.logged) {
+      await _channel.invokeMethod(
+        'login',
+        _buildParam({
+          'userID': userID,
+          'token': token,
+          'operationID': Utils.checkOperationID(operationID),
+        }),
+      );
+    }
     this.isLogined = true;
     this.userID = userID;
     this.token = token;
@@ -544,6 +552,7 @@ class IMManager {
   }
 
   /// 获取登录状态
+  /// 1: logout 2: logging  3:logged
   Future<int?> getLoginStatus() =>
       _channel.invokeMethod<int>('getLoginStatus', _buildParam({}));
 
diff --git a/lib/src/manager/im_message_manager.dart b/lib/src/manager/im_message_manager.dart
index c93c9a2..98a80bc 100644
--- a/lib/src/manager/im_message_manager.dart
+++ b/lib/src/manager/im_message_manager.dart
@@ -145,7 +145,6 @@ class MessageManager {
               }))
           .then((value) => Utils.toObj(value, (map) => Message.fromJson(map)));
 
-
   /// 正在输入提示
   /// [msgTip] 自定义内容
   Future typingStatusUpdate({