diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cfbaca..e787504 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 - Add OnCustomBusinessListener listener
 - Add message encryption config
 - Add message compression config
+- Add setGroupMemberInfo for GroupManager
 
 ## 2.3.4+6
 
diff --git a/android/build.gradle b/android/build.gradle
index 4ab7119..8060f3e 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -34,5 +34,5 @@ android {
     }
 }
 dependencies {
-    api 'io.openim:core-sdk:2.3.5-t02@aar'
+    api 'io.openim:core-sdk:2.3.5-t04@aar'
 }
\ No newline at end of file
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java
index 9eb94e4..116af46 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java
@@ -252,4 +252,11 @@ public class GroupManager extends BaseManager {
                 jsonValue(methodCall, "searchParam")
         );
     }
+
+    public void setGroupMemberInfo(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.setGroupMemberInfo(new OnBaseListener(result, methodCall),
+                value(methodCall, "operationID"),
+                jsonValue(methodCall, "info")
+        );
+    }
 }
\ No newline at end of file
diff --git a/lib/src/manager/im_group_manager.dart b/lib/src/manager/im_group_manager.dart
index fb8bb00..446f08d 100644
--- a/lib/src/manager/im_group_manager.dart
+++ b/lib/src/manager/im_group_manager.dart
@@ -613,6 +613,24 @@ class GroupManager {
               }))
           .then((value) => Utils.toListMap(value));
 
+  /// 修改GroupMemberInfo ex字段
+  Future<dynamic> setGroupMemberInfo({
+    required String groupID,
+    required String userID,
+    String? ex,
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'setGroupMemberInfo',
+          _buildParam({
+            'info': {
+              'groupID': groupID,
+              'userID': userID,
+              'ex': ex,
+            },
+            'operationID': Utils.checkOperationID(operationID),
+          }));
+
   static Map _buildParam(Map param) {
     param["ManagerName"] = "groupManager";
     return param;