diff --git a/CHANGELOG.md b/CHANGELOG.md
index 69b30f5..2944594 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.3.4+6
+
+- Add setAppBackgroundStatus method for IMManager
+
 ## 2.3.4+5
 
 - Fix bug
diff --git a/android/build.gradle b/android/build.gradle
index e737279..dc78385 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -34,5 +34,5 @@ android {
     }
 }
 dependencies {
-    api 'io.openim:core-sdk:2.3.4-rc6@aar'
+    api 'io.openim:core-sdk:2.3.4-rc7@aar'
 }
\ No newline at end of file
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java
index 7f590cf..3bca8d6 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java
@@ -61,4 +61,13 @@ public class IMManager extends BaseManager {
                 value(methodCall, "fcmToken")
         );
     }
+
+
+    public void setAppBackgroundStatus(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.setAppBackgroundStatus(
+                new OnBaseListener(result, methodCall),
+                value(methodCall, "operationID"),
+                value(methodCall, "isBackground")
+        );
+    }
 }
diff --git a/ios/Classes/Module/IMManager.swift b/ios/Classes/Module/IMManager.swift
index 09d3f3b..d135a29 100644
--- a/ios/Classes/Module/IMManager.swift
+++ b/ios/Classes/Module/IMManager.swift
@@ -12,6 +12,7 @@ public class IMMananger: BaseServiceManager {
         self["wakeUp"] = wakeUp
         self["uploadImage"] = uploadImage
         self["updateFcmToken"] = updateFcmToken
+        self["setAppBackgroundStatus"] = setAppBackgroundStatus
     }
     
     func initSDK(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
@@ -41,6 +42,11 @@ public class IMMananger: BaseServiceManager {
     func updateFcmToken(methodCall: FlutterMethodCall, result: @escaping FlutterResult) {
         Open_im_sdkUpdateFcmToken(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "fcmToken"])
     }
+    
+    func setAppBackgroundStatus(methodCall: FlutterMethodCall, result: @escaping FlutterResult) {
+        Open_im_sdkSetAppBackgroundStatus(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[bool: "isBackground"])
+    }
+    
 }
 
 public class ConnListener: NSObject, Open_im_sdk_callbackOnConnListenerProtocol {
diff --git a/lib/src/manager/im_manager.dart b/lib/src/manager/im_manager.dart
index 663e6be..b0ba8cf 100644
--- a/lib/src/manager/im_manager.dart
+++ b/lib/src/manager/im_manager.dart
@@ -449,6 +449,18 @@ class IMManager {
             'operationID': Utils.checkOperationID(operationID),
           }));
 
+  /// 标记app处于后台
+  Future setAppBackgroundStatus({
+    required bool isBackground,
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'setAppBackgroundStatus',
+          _buildParam({
+            'isBackground': isBackground,
+            'operationID': Utils.checkOperationID(operationID),
+          }));
+
   static Map _buildParam(Map param) {
     param["ManagerName"] = "imManager";
     return param;
diff --git a/pubspec.yaml b/pubspec.yaml
index f80f19d..55cd9f8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_openim_sdk
 description: An instant messaging plug-in that supports Android and IOS. And the server is also all open source.
-version: 2.3.4+5
+version: 2.3.4+6
 homepage: https://www.rentsoft.cn
 repository: https://github.com/OpenIMSDK/Open-IM-SDK-Flutter