diff --git a/Jellyfin.Plugin.Danmu/Scrapers/Dandan/DandanApi.cs b/Jellyfin.Plugin.Danmu/Scrapers/Dandan/DandanApi.cs
index 4c105d6..245fc64 100644
--- a/Jellyfin.Plugin.Danmu/Scrapers/Dandan/DandanApi.cs
+++ b/Jellyfin.Plugin.Danmu/Scrapers/Dandan/DandanApi.cs
@@ -80,7 +80,7 @@ public class DandanApi : AbstractApi
         }
 
         var cacheKey = $"search_{keyword}";
-        var expiredOption = new MemoryCacheEntryOptions() { AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(5) };
+        var expiredOption = new MemoryCacheEntryOptions() { AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(30) };
         if (_memoryCache.TryGetValue<List<Anime>>(cacheKey, out var searchResult))
         {
             return searchResult;
@@ -219,6 +219,8 @@ public class DandanApi : AbstractApi
             throw new ArgumentNullException(nameof(epId));
         }
 
+        this.LimitRequestFrequently();
+
         var withRelated = this.Config.WithRelatedDanmu ? "true" : "false";
         var chConvert = this.Config.ChConvert;
         var url = $"https://api.dandanplay.net/api/v2/comment/{epId}?withRelated={withRelated}&chConvert={chConvert}";