diff --git a/SodaLive/Sources/Chat/Talk/Room/ChatRoomView.swift b/SodaLive/Sources/Chat/Talk/Room/ChatRoomView.swift
index c4c634b..ce63ca2 100644
--- a/SodaLive/Sources/Chat/Talk/Room/ChatRoomView.swift
+++ b/SodaLive/Sources/Chat/Talk/Room/ChatRoomView.swift
@@ -125,7 +125,7 @@ struct ChatRoomView: View {
                                         let message = viewModel.messages[index]
                                         if message.mine {
                                             UserMessageItemView(message: message)
-                                                .id(index)
+                                                .id("msg_\(index)")
                                         } else {
                                             AiMessageItemView(
                                                 message: message,
@@ -138,7 +138,7 @@ struct ChatRoomView: View {
                                                     viewModel.selectedMessageIndex = index
                                                 }
                                             }
-                                            .id(index)
+                                            .id("msg_\(index)")
                                         }
                                     }
                                     
@@ -146,11 +146,11 @@ struct ChatRoomView: View {
                                         ChatQuotaNoticeItemView(remainingTime: viewModel.countdownText) {
                                             viewModel.purchaseChatQuota()
                                         }
-                                        .id(viewModel.messages.count)
+                                        .id("quota_\(viewModel.messages.count)")
                                         .padding(.bottom, 12)
                                         .onAppear {
                                             withAnimation(.easeOut(duration: 0.3)) {
-                                                proxy.scrollTo(viewModel.messages.count, anchor: .bottom)
+                                                proxy.scrollTo("quota_\(viewModel.messages.count)", anchor: .bottom)
                                             }
                                         }
                                     }
@@ -160,22 +160,19 @@ struct ChatRoomView: View {
                                             characterName: viewModel.characterName,
                                             characterProfileUrl: viewModel.characterProfileUrl
                                         )
-                                        .id(viewModel.messages.count)
+                                        .id("typing_\(viewModel.messages.count)")
                                     }
                                 }
                                 .padding(.horizontal, 24)
                                 .frame(minHeight: geometry.size.height, alignment: .bottom)
                             }
                             .onChange(of: viewModel.messages.count) { _ in
-                                if !viewModel.messages.isEmpty {
-                                    withAnimation(.easeOut(duration: 0.3)) {
-                                        proxy.scrollTo(
-                                            viewModel.showSendingMessage ?
-                                            viewModel.messages.count :
-                                                viewModel.messages.count - 1,
-                                            anchor: .bottom
-                                        )
-                                    }
+                                guard !viewModel.messages.isEmpty else { return }
+                                withAnimation(.easeOut(duration: 0.3)) {
+                                    let targetId = viewModel.showSendingMessage
+                                    ? "typing_\(viewModel.messages.count)"
+                                    : "msg_\(viewModel.messages.count - 1)"
+                                    proxy.scrollTo(targetId, anchor: .bottom)
                                 }
                             }
                         }
diff --git a/SodaLive/Sources/Chat/Talk/Room/ChatRoomViewModel.swift b/SodaLive/Sources/Chat/Talk/Room/ChatRoomViewModel.swift
index 4603567..4db4a36 100644
--- a/SodaLive/Sources/Chat/Talk/Room/ChatRoomViewModel.swift
+++ b/SodaLive/Sources/Chat/Talk/Room/ChatRoomViewModel.swift
@@ -151,6 +151,7 @@ final class ChatRoomViewModel: ObservableObject {
             roomId: roomId,
             characterImageId: self.chatRoomBgImageId
         )
+        .receive(on: DispatchQueue.main)
         .sink { result in
             switch result {
             case .finished:
@@ -200,6 +201,7 @@ final class ChatRoomViewModel: ObservableObject {
     
     func getMemberInfo() {
         userRepository.getMemberInfo()
+            .receive(on: DispatchQueue.main)
             .sink { result in
                 switch result {
                 case .finished:
@@ -233,6 +235,7 @@ final class ChatRoomViewModel: ObservableObject {
         isLoading = true
         
         repository.purchaseMessage(roomId: roomId, messageId: selectedMessage.messageId)
+            .receive(on: DispatchQueue.main)
             .sink { result in
                 switch result {
                 case .finished:
@@ -277,6 +280,7 @@ final class ChatRoomViewModel: ObservableObject {
         isLoading = true
         
         repository.purchaseChatQuota(roomId: roomId)
+            .receive(on: DispatchQueue.main)
             .sink { result in
                 switch result {
                 case .finished:
@@ -320,6 +324,7 @@ final class ChatRoomViewModel: ObservableObject {
         isResetting = true
         
         repository.resetChatRoom(roomId: roomId)
+            .receive(on: DispatchQueue.main)
             .sink { result in
                 switch result {
                 case .finished: