diff --git a/android/build.gradle b/android/build.gradle
index 2d905b8..23b27fe 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -34,7 +34,7 @@ android {
 repositories {
     google()
     mavenCentral()
-    maven { url 'http://devrepo.kakao.com:8088/nexus/content/groups/public/' }
+    maven { url 'https://devrepo.kakao.com:8088/nexus/content/groups/public/' }
 }
 
 dependencies {
diff --git a/index.js b/index.js
index c7c0cba..324677c 100644
--- a/index.js
+++ b/index.js
@@ -7,7 +7,7 @@ export const addFriend = id => {
 };
 
 export const chat = id => {
-  return ARNKakaoChannel.chat(id);
+  return ARNKakaoChannel.chatNoPromise(id);
 };
 
 export default {
diff --git a/ios/ARNKakaoChannel.swift b/ios/ARNKakaoChannel.swift
index 44947a7..5261fd2 100644
--- a/ios/ARNKakaoChannel.swift
+++ b/ios/ARNKakaoChannel.swift
@@ -14,19 +14,24 @@ import SafariServices
 @objc(ARNKakaoChannel)
 public class ARNKakaoChannel: NSObject {
     private var safariViewController: SFSafariViewController?
-    
+
     public override init() {
         let appKey: String? = Bundle.main.object(forInfoDictionaryKey: "KAKAO_APP_KEY") as? String
-        KakaoSDKCommon.initSDK(appKey: appKey!)
+        KakaoSDK.initSDK(appKey: appKey!)
     }
     
+    @objc
+    static func requiresMainQueueSetup() -> Bool {
+        return true;
+    }
+
     func presentSafari(url: URL,
                        completion: @escaping (Bool) -> Void) -> Void {
         let queue = DispatchQueue(label: "KakaoChannel")
         self.safariViewController = SFSafariViewController(url: url)
         self.safariViewController?.modalTransitionStyle = .crossDissolve
         self.safariViewController?.modalPresentationStyle = .overCurrentContext
-        
+
         queue.async {
             UIApplication.shared.open(url,
                                       options: [:],
@@ -35,7 +40,7 @@ public class ARNKakaoChannel: NSObject {
                                       })
         }
     }
-    
+
     @objc(addFriend:resolve:reject:)
     func addFriend(_ friendId: NSString,
                    resolver resolve: @escaping RCTPromiseResolveBlock,
@@ -45,9 +50,8 @@ public class ARNKakaoChannel: NSObject {
             resolve(success);
         })
     }
-    
-    @objc(chat:resolve:reject:)
-    func chat(_ friendId: NSString,
+
+    @objc func chat(_ friendId: NSString,
               resolver resolve: @escaping RCTPromiseResolveBlock,
               rejector reject: @escaping RCTPromiseRejectBlock) -> Void {
         let url: URL? = TalkApi.shared.makeUrlForChannelChat(channelPublicId: friendId as String)
@@ -55,5 +59,11 @@ public class ARNKakaoChannel: NSObject {
             resolve(success);
         })
     }
+    
+    @objc func chatNoPromise(_ friendId: NSString) -> Void {
+        let url: URL? = TalkApi.shared.makeUrlForChannelChat(channelPublicId: friendId as String)
+        self.presentSafari(url: url!, completion: { success in
+        })
+    }
 }
 
diff --git a/ios/ARNKakaoChannelBridge.h b/ios/ARNKakaoChannelBridge.h
index 1ec9b90..c04f501 100644
--- a/ios/ARNKakaoChannelBridge.h
+++ b/ios/ARNKakaoChannelBridge.h
@@ -11,7 +11,7 @@
 
 #import <Foundation/Foundation.h>
 
-@interface ARNKakaoLoginBridge: NSObject
+@interface ARNKakaoChannelBridge: NSObject
 @end
 
 #endif /* ARNKakaoChannelBridge_h */
diff --git a/ios/ARNKakaoChannelBridge.m b/ios/ARNKakaoChannelBridge.m
index a9a308c..f0da574 100644
--- a/ios/ARNKakaoChannelBridge.m
+++ b/ios/ARNKakaoChannelBridge.m
@@ -11,12 +11,14 @@
 
 @interface RCT_EXTERN_MODULE(ARNKakaoChannel, NSObject)
 
+RCT_EXTERN_METHOD(chatNoPromise: (NSString *) friendId);
+
 RCT_EXTERN_METHOD(addFriend: (NSString *) friendId
                   resolver: (RCTPromiseResolveBlock *)resolve
                   rejecter: (RCTPromiseRejectBlock *)reject);
 
 RCT_EXTERN_METHOD(chat: (NSString *) friendId
-                  resolver: (RCTPromiseResolveBlock *)resolve
-                  rejecter: (RCTPromiseRejectBlock *)reject);
+                  resolver: (RCTPromiseResolveBlock)resolve
+                  rejecter: (RCTPromiseRejectBlock)reject);
 
 @end