diff --git a/AUIKitCore.podspec b/AUIKitCore.podspec
index 8cc053c4..01bc804e 100644
--- a/AUIKitCore.podspec
+++ b/AUIKitCore.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'AUIKitCore'
-  s.version          = '0.5.2'
+  s.version          = '0.5.3'
   s.summary          = 'A short description of AUIKit.'
   
   # This description is used to generate tags and improve search results.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 643f8f16..6f4b6c32 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 
 English | [中文](CHANGELOG.zh.md)
 
+## [0.5.3](https://github.com/AgoraIO-Community/AUIKit/releases/tag/0.5.3)
+- [iOS]Compatible with Objective-C
+
 ## [0.5.2](https://github.com/AgoraIO-Community/AUIKit/releases/tag/0.5.2)
 - appId removed from AUICommonConfig as an attribute of AUIRoomContext
 - [iOS]Change all methods in AUIRoomManagerRespDelegate to optional
diff --git a/CHANGELOG.zh.md b/CHANGELOG.zh.md
index 7c979d3e..51bade92 100644
--- a/CHANGELOG.zh.md
+++ b/CHANGELOG.zh.md
@@ -1,6 +1,9 @@
 
 [English](CHANGELOG.md) | 中文
 
+## [0.5.3](https://github.com/AgoraIO-Community/AUIKit/releases/tag/0.5.3)
+- [iOS]适配Objective-C
+
 ## [0.5.2](https://github.com/AgoraIO-Community/AUIKit/releases/tag/0.5.2)
 - appId从AUICommonConfig移除，作为AUIRoomContext的属性
 - [iOS]AUIRoomManagerRespDelegate里所有方法改为optional
diff --git a/iOS/AUIKitCore/Sources/Core/Utils/Network/Model/AUIRoomNetworkModel.swift b/iOS/AUIKitCore/Sources/Core/Utils/Network/Model/AUIRoomNetworkModel.swift
index 79744181..ddede80f 100644
--- a/iOS/AUIKitCore/Sources/Core/Utils/Network/Model/AUIRoomNetworkModel.swift
+++ b/iOS/AUIKitCore/Sources/Core/Utils/Network/Model/AUIRoomNetworkModel.swift
@@ -41,7 +41,7 @@ open class AUIRoomCreateNetworkModel: AUICommonNetworkModel {
     }
 }
 
-open class AUIRoomDestoryNetworkModel: AUICommonNetworkModel {
+open class AUIRoomDestroyNetworkModel: AUICommonNetworkModel {
     public override init() {
         super.init()
         interfaceName = "/v1/room/destroy"
diff --git a/iOS/AUIKitCore/Sources/Service/Impl/AUIRoomManagerImpl.swift b/iOS/AUIKitCore/Sources/Service/Impl/AUIRoomManagerImpl.swift
index 833f1046..61f345a9 100644
--- a/iOS/AUIKitCore/Sources/Service/Impl/AUIRoomManagerImpl.swift
+++ b/iOS/AUIKitCore/Sources/Service/Impl/AUIRoomManagerImpl.swift
@@ -94,7 +94,7 @@ extension AUIRoomManagerImpl: AUIRoomManagerDelegate {
         aui_info("destroyRoom: \(roomId)", tag: "AUIRoomManagerImpl")
         self.rtmManager.unSubscribe(channelName: roomId)
         
-        let model = AUIRoomDestoryNetworkModel()
+        let model = AUIRoomDestroyNetworkModel()
         model.userId = AUIRoomContext.shared.currentUserInfo.userId
         model.roomId = roomId
         model.request { error, _ in
@@ -144,9 +144,9 @@ extension AUIRoomManagerImpl: AUIRoomManagerDelegate {
         callback(nil)
     }
     
-    public func getRoomInfoList(lastCreateTime: Int64?, pageSize: Int, callback: @escaping AUIRoomListCallback) {
+    public func getRoomInfoList(lastCreateTime: Int64, pageSize: Int, callback: @escaping AUIRoomListCallback) {
         let model = AUIRoomListNetworkModel()
-        model.lastCreateTime = lastCreateTime == nil ? nil : NSNumber(value: Int(lastCreateTime!))
+        model.lastCreateTime = lastCreateTime == 0 ? nil : NSNumber(value: Int(lastCreateTime))
         model.pageSize = pageSize
         model.request { error, list in
             callback(error as NSError?, list as? [AUIRoomInfo])
diff --git a/iOS/AUIKitCore/Sources/Service/Model/AUIRoomConfig.swift b/iOS/AUIKitCore/Sources/Service/Model/AUIRoomConfig.swift
index 915c10aa..ac05cdbc 100644
--- a/iOS/AUIKitCore/Sources/Service/Model/AUIRoomConfig.swift
+++ b/iOS/AUIKitCore/Sources/Service/Model/AUIRoomConfig.swift
@@ -7,6 +7,7 @@
 
 import Foundation
 
+@objcMembers
 open class AUICommonConfig: NSObject {
     /// 网络请求域名
     public var host: String = "https://uikit-voiceroom-staging.bj2.agoralab.co"
@@ -21,6 +22,7 @@ open class AUICommonConfig: NSObject {
     }
 }
 
+@objcMembers
 open class AUIRoomConfig: NSObject {
     public var channelName: String = ""     //正常rtm使用的频道
     public var rtmToken007: String = ""     //rtm login用，只能007
diff --git a/iOS/AUIKitCore/Sources/Service/Protocol/AUIRoomManagerDelegate.swift b/iOS/AUIKitCore/Sources/Service/Protocol/AUIRoomManagerDelegate.swift
index 7446978e..d2d4c0dd 100644
--- a/iOS/AUIKitCore/Sources/Service/Protocol/AUIRoomManagerDelegate.swift
+++ b/iOS/AUIKitCore/Sources/Service/Protocol/AUIRoomManagerDelegate.swift
@@ -48,10 +48,10 @@ public protocol AUIRoomManagerDelegate: NSObjectProtocol {
     
     /// 获取房间列表
     /// - Parameters:
-    ///   - lastCreateTime: 最后1条数据的创建时间, 返回数据list的createTime字段值，如果为空, 默认会设置为服务器当前时间戳
+    ///   - lastCreateTime: 最后1条数据的创建时间, 返回数据list的createTime字段值，如果为0, 默认会设置为服务器当前时间戳
     ///   - pageSize: 分页大小
     ///   - callback: 操作完成回调
-    func getRoomInfoList(lastCreateTime: Int64?, pageSize: Int, callback: @escaping AUIRoomListCallback)
+    func getRoomInfoList(lastCreateTime: Int64, pageSize: Int, callback: @escaping AUIRoomListCallback)
     
     /// Description 修改房间公告
     /// - Parameters: