diff --git a/app/src/main/java/kr/co/vividnext/sodalive/live/room/LiveRoomActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/live/room/LiveRoomActivity.kt
index dd737c38..a5fd2cf1 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/live/room/LiveRoomActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/live/room/LiveRoomActivity.kt
@@ -2313,7 +2313,7 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
         // 메시지로 수신된 경우: Path 드로잉 기반으로 중앙 하트를 잠깐 표시 후 폭발 실행
         if (fromMessage) {
             val floatView = ensureBigHeartFloatView()
-            floatView.emitCenterOnce(sizeDp = 133.3f, showDurationMs = 150L)
+            floatView.emitCenterOnce(sizeDp = 200f, showDurationMs = 300L)
             return
         }
 
@@ -2445,7 +2445,7 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
         private var explosionCenterY = 0f
 
         // 화면 중앙에 하트를 잠깐 표시 후 자동 폭발
-        fun emitCenterOnce(sizeDp: Float = 133.3f, showDurationMs: Long = 150L) {
+        fun emitCenterOnce(sizeDp: Float = 200f, showDurationMs: Long = 300L) {
             if (width == 0 || height == 0) {
                 post { emitCenterOnce(sizeDp, showDurationMs) }
                 return