diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/agora/RtcTokenBuilder.kt b/src/main/kotlin/kr/co/vividnext/sodalive/agora/RtcTokenBuilder.kt
index c5b16771..76bc4955 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/agora/RtcTokenBuilder.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/agora/RtcTokenBuilder.kt
@@ -34,15 +34,14 @@ class RtcTokenBuilder {
         appId: String,
         appCertificate: String,
         channelName: String,
-        uid: Int,
+        uid: String,
         privilegeTs: Int
     ): String {
-        val account = if (uid == 0) "" else uid.toString()
         return buildTokenWithUserAccount(
             appId,
             appCertificate,
             channelName,
-            account,
+            uid,
             privilegeTs
         )
     }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt b/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt
index 7f8e3c5e..8e78ce2d 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/i18n/SodaMessageSource.kt
@@ -1578,6 +1578,21 @@ class SodaMessageSource {
             Lang.EN to "yyyy.MM.dd E hh:mm a",
             Lang.JA to "yyyy.MM.dd E hh:mm a"
         ),
+        "live.room.language_tag.korean" to mapOf(
+            Lang.KO to "한국어",
+            Lang.EN to "Korean",
+            Lang.JA to "韓国語"
+        ),
+        "live.room.language_tag.japanese" to mapOf(
+            Lang.KO to "일본어",
+            Lang.EN to "Japanese",
+            Lang.JA to "日本語"
+        ),
+        "live.room.language_tag.english" to mapOf(
+            Lang.KO to "영어",
+            Lang.EN to "English",
+            Lang.JA to "英語"
+        ),
         "live.room.fcm.message.started" to mapOf(
             Lang.KO to "라이브를 시작했습니다. - %s",
             Lang.EN to "Live started. - %s",
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt
index 74cf8fa6..60653ff1 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoomService.kt
@@ -154,13 +154,7 @@ class LiveRoomService(
             .maxByOrNull { it.updatedAt ?: LocalDateTime.MIN }
             ?.languageCode
 
-        val languageTag = when (languageCode?.lowercase()?.take(2)) {
-            "ko" -> "한국어"
-            "ja" -> "일본어"
-            "en" -> "영어"
-            else -> null
-        }
-        return languageTag
+        return resolveLanguageTag(languageCode)
     }
 
     private fun buildLanguageTagMap(memberIds: List<Long>): Map<Long, String?> {
@@ -175,15 +169,21 @@ class LiveRoomService(
             }
 
         return latestTokenByMemberId.mapValues { (_, token) ->
-            when (token?.languageCode?.lowercase()?.take(2)) {
-                "ko" -> "한국어"
-                "ja" -> "일본어"
-                "en" -> "영어"
-                else -> null
-            }
+            resolveLanguageTag(token?.languageCode)
         }
     }
 
+    private fun resolveLanguageTag(languageCode: String?): String? {
+        val key = when (languageCode?.lowercase()?.take(2)) {
+            "ko" -> "live.room.language_tag.korean"
+            "ja" -> "live.room.language_tag.japanese"
+            "en" -> "live.room.language_tag.english"
+            else -> null
+        } ?: return null
+
+        return messageSource.getMessage(key, langContext.lang)
+    }
+
     @Transactional(readOnly = true)
     fun getRoomList(
         dateString: String?,
@@ -917,7 +917,7 @@ class LiveRoomService(
             agoraAppId,
             agoraAppCertificate,
             room.channelName!!,
-            member.id!!.toInt(),
+            member.id!!.toString(),
             expireTimestamp.toInt()
         )
 
@@ -928,10 +928,11 @@ class LiveRoomService(
             expireTimestamp.toInt()
         )
 
-        val v2vWorkerRtmToken = rtmTokenBuilder.buildToken(
+        val v2vWorkerToken = rtcTokenBuilder.buildTokenWithUid(
             agoraAppId,
             agoraAppCertificate,
-            "v2v-agent-${member.id!!}",
+            room.channelName!!,
+            "${member.id!!}333",
             expireTimestamp.toInt()
         )
 
@@ -962,12 +963,12 @@ class LiveRoomService(
         }
 
         val menuPan = menuService.getLiveMenu(creatorId = room.member!!.id!!)
-        val languageTagByMemberId = buildLanguageTagMap(listOfNotNull(room.member?.id))
-
-        val tags = room.tags
-            .filter { it.tag.isActive }
-            .map { it.tag.tag }
-            .let { tags -> applyLanguageTagToRoomTags(room.member?.id, tags, languageTagByMemberId) }
+        val creatorLanguageCode = pushTokenRepository.findByMemberId(room.member!!.id!!)
+            .filterNot { it.languageCode.isNullOrBlank() }
+            .maxByOrNull { it.updatedAt ?: LocalDateTime.MIN }
+            ?.languageCode
+            ?.lowercase()
+            ?.take(2)
 
         return GetRoomInfoResponse(
             roomId = roomId,
@@ -989,7 +990,7 @@ class LiveRoomService(
             channelName = room.channelName!!,
             rtcToken = rtcToken,
             rtmToken = rtmToken,
-            v2vWorkerRtmToken = v2vWorkerRtmToken,
+            v2vWorkerToken = v2vWorkerToken,
             creatorId = room.member!!.id!!,
             creatorNickname = room.member!!.nickname,
             creatorProfileUrl = if (room.member!!.profileImage != null) {
@@ -1006,7 +1007,7 @@ class LiveRoomService(
             managerList = roomInfo.managerList,
             donationRankingTop3UserIds = donationRankingTop3UserIds,
             menuPan = menuPan?.menu ?: "",
-            tags = tags,
+            creatorLanguageCode = creatorLanguageCode,
             isPrivateRoom = room.type == LiveRoomType.PRIVATE,
             password = room.password,
             isActiveRoulette = isActiveRoulette
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/info/GetRoomInfoResponse.kt b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/info/GetRoomInfoResponse.kt
index b455b6ec..f7c6d743 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/live/room/info/GetRoomInfoResponse.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/live/room/info/GetRoomInfoResponse.kt
@@ -8,7 +8,7 @@ data class GetRoomInfoResponse(
     val channelName: String,
     val rtcToken: String,
     val rtmToken: String,
-    val v2vWorkerRtmToken: String,
+    val v2vWorkerToken: String,
     val creatorId: Long,
     val creatorNickname: String,
     val creatorProfileUrl: String,
@@ -21,7 +21,7 @@ data class GetRoomInfoResponse(
     val managerList: List<LiveRoomMember>,
     val donationRankingTop3UserIds: List<Long>,
     val menuPan: String,
-    val tags: List<String>,
+    val creatorLanguageCode: String?,
     val isPrivateRoom: Boolean = false,
     val password: String? = null,
     val isActiveRoulette: Boolean = false