diff --git a/backend/app/services/danmaku_service.py b/backend/app/services/danmaku_service.py
index e40655f..038407d 100644
--- a/backend/app/services/danmaku_service.py
+++ b/backend/app/services/danmaku_service.py
@@ -17,9 +17,11 @@ class DanmakuService:
     async def get_ttl(self, db: AsyncSession) -> int:
         """Fetch TTL from system settings or use default"""
         try:
-            setting = await system_settings_service.get_setting_by_key("danmaku_ttl", db)
+            setting = await system_settings_service.get_setting("danmaku_ttl", db)
             if setting:
-                return int(setting.value)
+                val = int(setting.value)
+                # logger.info(f"Using configured danmaku_ttl: {val}")
+                return val
         except Exception as e:
             logger.error(f"Failed to fetch danmaku_ttl: {e}")
         return self.default_ttl
@@ -33,6 +35,8 @@ class DanmakuService:
         now = time.time()
         ttl = await self.get_ttl(db)
         expire_time = now - ttl
+        
+        logger.info(f"Adding danmaku: '{text}' at {now}, ttl={ttl}, expire_threshold={expire_time}")
 
         # Create message object
         # Add unique timestamp/random to value to ensure uniqueness in Set if user spams same msg?
@@ -82,6 +86,8 @@ class DanmakuService:
                 # ZRANGEBYSCORE key min max
                 results = await redis_cache.client.zrangebyscore(self.redis_key, min_score, "+inf")
                 
+                logger.debug(f"Fetching danmaku: found {len(results)} messages (since {min_score})")
+                
                 messages = []
                 for res in results:
                     try:
diff --git a/frontend/src/components/DanmakuLayer.tsx b/frontend/src/components/DanmakuLayer.tsx
index 786b2d6..af77727 100644
--- a/frontend/src/components/DanmakuLayer.tsx
+++ b/frontend/src/components/DanmakuLayer.tsx
@@ -45,6 +45,7 @@ export function DanmakuLayer({ enabled }: DanmakuLayerProps) {
           });
 
           if (newMessages.length > 0) {
+            console.log(`[Danmaku] Received ${newMessages.length} new messages`, newMessages);
             newMessages.forEach((msg: DanmakuMessage) => processedIds.current.add(msg.id));
             // Add to queue
             addMessagesToTrack(newMessages);
@@ -83,7 +84,7 @@ export function DanmakuLayer({ enabled }: DanmakuLayerProps) {
   return (
     <div 
       ref={containerRef}
-      className="absolute inset-0 pointer-events-none z-30 overflow-hidden"
+      className="absolute inset-0 pointer-events-none z-50 overflow-hidden"
       style={{ userSelect: 'none' }}
     >
       {visibleMessages.map(msg => (
@@ -93,8 +94,8 @@ export function DanmakuLayer({ enabled }: DanmakuLayerProps) {
           style={{
             top: `${msg.top}%`,
             left: '100%',
-            fontSize: '1.2rem',
-            textShadow: '0 0 4px rgba(0,0,0,0.8)',
+            fontSize: '1.5rem', // Increased size for visibility
+            textShadow: '0 0 4px rgba(0,0,0,0.8), 0 0 2px rgba(0,0,0,1)', // Stronger shadow
             animation: `danmaku-move ${msg.duration}s linear forwards`
           }}
           onAnimationEnd={() => handleAnimationEnd(msg.id)}